SMART EXHIBIT 1001
`
`SMART EXHIBIT 1001
`
`

`
`(12) United States Patent
`Goodman
`
`I lllll llllllll Ill lllll lllll lllll lllll lllll 111111111111111111111111111111111
`US006243315Bl
`US 6,243,315 Bl
`Jun.5,2001
`
`(10) Patent No.:
`(45) Date of Patent:
`
`(54) COMPUTER MEMORY SYSTEM WITH A
`LOW POWER DOWN MODE
`
`(76)
`
`Inventor: James B. Goodman, 4750 Pear Ridge
`Dr., Apt 9301, Dallas, TX (US) 75287
`
`( * ) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`8/1998 Heyden .
`5,798,961
`10/1998 Tran .
`5,818,299
`7/1999 Rao.
`5,920,885
`* cited by examiner
`Primary Examiner-Ruan Hoang
`(74) Attorney, Agent, or Firm-David Fink
`ABSTRACT
`
`(57)
`
`(21) Appl. No.: 09/477,920
`
`(22) Filed:
`
`Dec. 31, 1999
`
`Int. Cl.7 ....................................................... GllC 7/00
`(51)
`(52) U.S. Cl. .................... 365/222; 365/230.03; 365/229;
`365/52
`(58) Field of Search ................................ 365/222, 51, 63,
`365/52, 230.03, 229
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`4,656,605
`4,710,903
`4,901,283
`5,089,993
`5,222,044
`5,262,998
`5,784,628
`
`4/1987
`* 12/1987
`2/1990
`2/1992
`6/1993
`11/1993
`7/1998
`
`Clayton.
`Hereth et al. ........................ 365/222
`Hanbury.
`Neal.
`Tsujimoto.
`Mnich.
`Reneris .
`
`A memory system for use in a computer system, includes a
`plurality of volatile solid state memory devices that retain
`information when an electrical power source is applied to
`the memory devices within a predetermined voltage range,
`and are capable of being placed in a self refresh mode. The
`memory devices have respective address and control lines,
`and a control device for selectively electrically isolating the
`memory devices from respective address lines and respec(cid:173)
`tive control lines so that when the memory devices are
`electrically isolated, any signals received on the respective
`address lines and respective control lines do not reach the
`memory devices. The memory system includes a memory
`access enable control device coupled to the control device
`and to the control lines for determining when the memory
`system is not being accessed, and for initiating a low power
`mode for the memory system wherein the control device
`electrically isolates the memory devices and places the
`memory devices in the self refresh mode.
`
`20 Claims, 59 Drawing Sheets
`
`11
`
`5
`
`M
`8
`1r--~~~~D-~=rn~B-U-SS~~~~---..____,E
`4
`M
`4
`0
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`y
`
`15
`
`20
`ADDRESS ADDRESS BUSS
`&
`CONTROL
`CENTER
`
`D
`E v
`I
`c
`E s
`
`17
`~ ADDRESS BUSS
`N
`s
`22
`0 !--------''---~
`D CONTROL BUSS
`I
`M
`M
`c
`0
`N
`26
`28
`~ RAS and WE Control Lines Memory Access
`Enable Control
`c
`T
`or-------~
`R SPD Control and Data Lines
`36
`
`24
`CONTROL BUSS
`34
`Powerup--~
`Enable
`Window
`
`30
`
`38
`
`Serial
`Presence
`Detect
`
`SMART EXHIBIT 1001 - PAGE - 1
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 1 of 59
`
`US 6,243,315 Bl
`
`11
`
`5
`
`B
`M
`E
`DATA BUSS
`1
`.-~ M
`4.-~~~~~~~~~~~ 0
`4
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`15
`y
`
`D
`E
`v
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`
`24
`1------....._----.
`CONTROL BUSS
`34
`Power Up "------
`Enable
`Window
`
`32
`
`20
`17
`~ ADDRESS BUSS~ ADDRESS .,._A_D-DR .......
`'E-SS_B_U-SS__,
`&
`N
`CONTROL
`CENTER
`
`S
`22
`0
`D CONTROL BUSS
`I
`M
`M
`c
`0
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`26
`28
`~ RAS and WE Control Lines Memory Access
`Enable Control
`c
`T
`0 1-----------.
`R SPD Control and Data Lines
`36
`
`30
`
`38
`
`Serial
`Presence
`Detect
`
`FIG. 1
`
`SMART EXHIBIT 1001 - PAGE - 2
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 2 of 59
`
`US 6,243,315 Bl
`
`I~
`
`SMART EXHIBIT 1001 - PAGE - 3
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 3 of 59
`
`US 6,243,315 Bl
`
`3.6V
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`
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`
`SMART EXHIBIT 1001 - PAGE - 4
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 4 of 59
`
`US 6,243,315 Bl
`
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`37
`
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`
`FIG. 38
`
`SMART EXHIBIT 1001 - PAGE - 5
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 5 of 59
`
`US 6,243,315 Bl
`
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`
`SMART EXHIBIT 1001 - PAGE - 6
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 6 of 59
`
`US 6,243,315 Bl
`
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`SMART EXHIBIT 1001 - PAGE - 7
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 7 of 59
`
`US 6,243,315 Bl
`
`19
`18
`17
`16
`
`vcc
`l/CLK
`11
`12
`PD/13
`14
`15
`16
`17
`18
`/IE
`
`1/01
`I/OH
`l/OG
`I/OF
`
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`
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`
`FIG. 3E
`
`2
`
`..-----1Z
`
`z~
`
`SMART EXHIBIT 1001 - PAGE - 8
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 8 of 59
`
`US 6,243,315 Bl
`
`f 2
`
`E2
`
`2
`
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`
`PDMODE
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`
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`
`U26A
`
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`
`FIG. 3F
`
`SMART EXHIBIT 1001 - PAGE - 9
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 9 of 59
`
`US 6,243,315 Bl
`
`A
`
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`CAS0-2
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`
`SMART EXHIBIT 1001 - PAGE - 10
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 10 of 59
`
`US 6,243,315 Bl
`
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`
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`
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`
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`
`SMART EXHIBIT 1001 - PAGE - 11
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 11 of 59
`
`US 6,243,315 Bl
`
`L
`
`" - - - - - - - - - - - - - - 'R3
`
`~>------------------
`
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`
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`
`FIG. 31
`
`SMART EXHIBIT 1001 - PAGE - 12
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 12 of 59
`
`US 6,243,315 Bl
`
`53
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`SMART EXHIBIT 1001 - PAGE - 13
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 13 of 59
`
`US 6,243,315 Bl
`
`U17
`............. -vcc
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`
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`
`FIG. 3K
`
`SMART EXHIBIT 1001 - PAGE - 14
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 14 of 59
`
`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 15
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 15 of 59
`
`US 6,243,315 Bl
`
`Z2
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`SMART EXHIBIT 1001 - PAGE - 16
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 16 of 59
`
`US 6,243,315 Bl
`
`/WE
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`SMART EXHIBIT 1001 - PAGE - 17
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 17 of 59
`
`US 6,243,315 Bl
`
`14
`
`17/59
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`SMART EXHIBIT 1001 - PAGE - 18
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 18 of 59
`
`US 6,243,315 Bl
`
`111
`
`105
`
`108"
`DATA BUSS
`
`I
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`
`124"
`
`136"
`SPD Control and Data Lines
`
`....__
`
`FIG. 4
`
`138"
`Serial
`
`t= Presence
`
`Detect
`
`115"
`
`CONTROL
`CENTER
`
`M
`E
`M
`0
`R
`y
`120"
`ADDRESS BUSS~
`D
`-
`143"
`E
`v
`CONTROL BUSS r- I
`c
`- ~ E
`s -
`
`s
`t
`a
`n
`117"
`d
`a ADDRESS BUSS:
`r
`d
`122"
`M CONTROL BUSS:
`e
`m 140"
`0
`146
`r
`RAS and WE Control Lines~
`y
`c
`0
`N
`N
`E
`c
`T
`0
`R
`
`SMART EXHIBIT 1001 - PAGE - 19
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 19 of 59
`
`US 6,243,315 Bl
`
`5V
`
`,_
`
`,_
`
`+ C30 + C3t
`tout
`tout
`C\J
`
`C33
`.01
`
`C\J
`
`A 09
`-------------------------------------------------------------------------------cD
`
`U10
`
`- - - - - f c
`
`6
`
`2t
`t7
`18
`t9
`20
`23
`24
`25
`26
`27
`28
`
`11
`29
`13
`31
`t4
`30
`
`AO
`A1
`A2
`A3
`A4
`A5
`A6
`Al
`AB
`A9
`
`EA
`CASLA
`RASA
`CASH A
`
`32
`16
`
`NC
`NC
`
`vcco
`vcco
`vcco
`AO
`At
`A2
`A3
`A4
`A5
`A6
`Al
`AB
`A9
`
`DQt
`2
`DQt 3
`DQ2
`DQ2 4
`DQ3
`DQ3 5
`DQ4
`DQ4
`DQ5
`l
`DQ5 B
`DQ6
`DQ6 9
`DQl
`DQl
`DQ8
`to
`DQ8
`DQ9
`33
`DQ9
`DQ10
`34
`DQ10
`DQ11
`35
`DQ11
`DQ12
`36
`!JQJA DQt2
`3B DQt3
`DQt3
`OE
`39 DQt4
`DQ14
`WE
`40 DQt5
`GAS DQt5
`41 DQt6
`RAS DQt6
`12
`/CASH NC
`15
`NC
`
`MT4CtMt6E5
`
`B
`
`A
`
`FIG. 5A
`
`SMART EXHIBIT 1001 - PAGE - 20
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 20 of 59
`
`US 6,243,315 Bl
`
`5V
`
`......
`
`......
`
`C35
`tout
`
`C37
`.01
`
`c
`
`B
`
`U1t
`
`J
`
`1
`
`6
`
`21
`17
`18
`t9
`0
`23
`24
`25
`26
`27
`28
`
`11
`29
`t3
`31
`14
`30
`
`WEC
`
`CASLC
`RASC
`CASHC
`
`NC
`NC
`
`vcco
`vcco
`vcco
`AO
`At
`A2
`A3
`A4
`A5
`A6
`Al
`AB
`A9
`
`DQt
`DQ2
`DQ3
`DQ4
`DQS
`DQ6
`DQl
`DQB
`DQ9
`DQ10
`DQ11
`DQ12
`~
`DQ13
`OE
`WE
`DQ14
`DQt5
`GAS
`RAS DQ16
`/CASH NC
`NC
`
`32
`16
`
`2
`3
`4
`5
`7
`8
`9
`10
`33
`34
`35
`36
`38
`39
`40
`41
`t2
`15
`
`DQt
`DQ2
`DQ3
`DQ4
`DQ5
`DQ6
`DQl
`DQB
`DQ9
`DQ10
`DQ11
`DQ12
`0013
`DQ14
`DQ15
`DQ16
`
`MT4C1M16E5
`/WEC
`
`/CASLC
`IRASC
`/CASHC
`
`FIG. 58
`
`CD
`H
`©
`~
`
`SMART EXHIBIT 1001 - PAGE - 21
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 21 of 59
`
`US 6,243,315 Bl
`
`5V
`
`- -
`
`C35
`tout
`
`C'\I
`
`C50
`.01
`
`J
`
`U12
`
`0
`
`AD
`A1
`A2
`A3
`A4
`A5
`A6
`Al
`AB
`A9
`
`1
`
`6
`21
`11
`18
`19
`20
`23
`24
`25
`26
`21
`2B
`11
`29
`13
`1
`14
`30
`
`NC
`NC
`
`vcco
`vcco
`vcco
`DQ1
`AO
`DQ2
`At
`DQ3
`A2
`DQ4
`A3
`DQ5
`A4
`DQ6
`A5
`DOl
`A6
`DOB
`Al
`DQ9
`AB
`A9
`DQ10
`DQ11
`TE!A
`D012
`D013
`OE
`D014
`WE
`DQ15
`GAS
`RAS D016
`/CASH NC
`NC
`
`MT4C1M16E5
`
`32
`16
`
`2
`3
`4
`5
`l
`8
`9
`10
`33
`34
`35
`36
`38
`39
`40
`41
`12
`15
`
`d)
`
`FIG. SC
`
`N
`®
`
`SMART EXHIBIT 1001 - PAGE - 22
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 22 of 59
`
`US 6,243,315 Bl
`
`5V
`
`C27
`1ouf
`
`C29
`.01
`
`p
`
`0
`
`U10
`
`32
`16
`
`NC
`NC
`
`vcco
`vcco
`vcco
`AO
`A1
`A2
`A3
`A4
`A5
`A6
`Al
`AB
`A9
`
`2
`DQ1
`3
`DQ2 4
`DQ3 5
`DQ4 7
`D05 8
`DQ6 9
`DQl
`10
`DOB
`33
`DQ9
`34
`DQ10
`35
`DQ11
`36
`DQ12
`~
`3B
`DQ13
`OE
`39
`WE
`DQ14
`40
`DQ15
`CAS
`41
`RAS DQ16
`12
`!CASH NC
`15
`NC
`
`MT4C1M16E5
`
`AO
`At
`A2
`A3
`A4
`A5
`A6
`Al
`AB
`A9
`
`1
`
`6
`
`21
`17
`18
`19
`20
`23
`24
`25
`26
`27
`28
`
`11
`29
`13
`31
`14
`0
`
`FIG. 50
`
`!WEA
`CASLB
`RASB
`CASHB
`
`N
`@
`
`s
`
`R
`
`@
`
`D017
`DQ18
`DQ19
`DQ20
`DQ21
`DQ22
`DQ23
`DQ24
`DQ25
`DQ26
`DQ27
`D028
`DQ29
`DQ30
`DQ31
`DQ32
`
`SMART EXHIBIT 1001 - PAGE - 23
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 23 of 59
`
`US 6,243,315 Bl
`
`CAS0-4
`
`U21
`vcc
`l/CLK
`11
`12
`PD/13
`14
`15
`16
`17
`18
`l/E
`
`20
`1
`2
`3
`4
`5
`6
`7
`8
`
`11
`
`1/01
`I/OH
`l/OG
`I/OF
`
`I/OE
`I/OD
`I/DC
`1/08
`
`19
`18
`17
`16
`
`15
`14
`13
`12
`
`PDMODE
`CASHB
`RASB
`CASLB
`
`CASLA
`WEA
`CASH A
`RASA
`
`ATF16V8C
`
`FIG. 5E
`
`SMART EXHIBIT 1001 - PAGE - 24
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 24 of 59
`
`US 6,243,315 Bl
`
`F1
`
`E1
`
`D1
`
`Ct
`
`81
`
`DQ(132)
`
`'-~
`
`20
`1
`/CAS0-1 "' 2
`3
`ICAS0-3
`4
`mth
`CAS0-2
`5
`/CAS0-1
`6
`'RAS0-4
`7
`'WE2BANK
`8
`9
`RAS0-2
`/PDUPENH
`11
`
`U22
`
`vcc
`l/CLK
`11
`12
`PD/13
`14
`15
`16
`17
`18
`l/E
`
`19
`18
`17
`16
`
`15
`14
`13
`12
`
`1/01
`I/OH
`/JOG
`I/OF
`
`I/OE
`I/OD
`l/OC
`I/OB
`
`ATF16VBC
`
`IPDMODE
`CASHD
`i'RASD
`iCASLD
`
`/CASLC
`WEC
`CASHC
`'RASC
`
`FIG. 5F
`
`SMART EXHIBIT 1001 - PAGE - 25
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 25 of 59
`
`US 6,243,315 Bl
`
`A
`
`/CAS0-1
`/RAS0-1
`/RAS0-2
`/CAS0-2
`
`/CAS0-3
`IRAS0-3
`
`FIG. 5G
`
`SMART EXHIBIT 1001 - PAGE - 26
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 26 of 59
`
`US 6,243,315 Bl
`
`11 SA 0 9
`
`5V
`
`SAO
`SA1
`
`SA2
`SA3
`SA4
`SA5
`SA6
`
`SAl
`SAB
`
`U23
`vcc
`l/CLK
`11
`12
`PD/13
`14
`15
`16
`17
`18
`l/E
`
`20
`1
`2
`3
`4
`5
`6
`7
`8
`9
`11
`
`AO
`19
`18 At
`17
`A2
`16
`A3
`
`A4
`15
`A5
`14
`3 A6
`12
`
`1/01
`I/OH
`l/OG
`I/OF
`
`I/OE
`I/OD
`I/DC
`1/08
`
`ATF16VBC
`
`A9
`
`U23
`vcc
`l/CLK
`11
`12
`
`20
`1
`2
`3
`
`19 Al
`AB
`18
`17
`PDUPENH
`
`1/01
`/JOH
`l/OG
`
`w
`
`S1
`
`FIG. 5H
`
`T1
`
`U1
`
`V1
`
`SMART EXHIBIT 1001 - PAGE - 27
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 27 of 59
`
`US 6,243,315 Bl
`
`L
`
`/WE2BANK
`WE BANK
`
`G2
`
`FIG. 51
`
`H2
`
`SMART EXHIBIT 1001 - PAGE - 28
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 28 of 59
`
`US 6,243,315 Bl
`
`5V
`
`CAO
`CA1
`CA2
`
`14
`13
`12
`11
`15
`
`QA
`QB
`QC
`QD
`RCO
`
`U4
`16
`vcco
`3 A
`4 8
`5 c
`6
`D
`
`7
`10 ENP
`2 ENT
`CU<
`1 LOAD
`CLT
`
`74HCT161-BU
`
`12 ____ ____.
`
`FIG. 5J
`
`U2
`
`V2
`
`SMART EXHIBIT 1001 - PAGE - 29
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 29 of 59
`
`US 6,243,315 Bl
`
`FIG. 5K
`
`£3
`
`F3
`
`SMART EXHIBIT 1001 - PAGE - 30
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 30 of 59
`
`US 6,243,315 Bl
`
`Vss
`
`5V
`
`DQ17
`DQ18
`
`CAS0-1
`/CASO-
`/CAS0-4
`/CASO-
`/RAS0-1
`RAS0-2
`
`37
`38
`39
`40
`41
`4
`43
`44
`45
`46
`47
`48
`4
`5
`
`!WE
`
`5V
`
`J1
`
`1
`2
`3
`4
`5
`6
`7
`8
`9
`10
`11
`12
`13
`14
`15
`16
`17
`18
`19
`20
`21
`22
`23
`24
`25
`26
`27
`28
`29
`30
`31
`32
`33
`34
`35
`36
`
`37
`38
`39
`40
`41
`42
`43
`44
`4
`46
`47
`48
`49
`50
`51
`52
`53
`54
`55
`56
`57
`58
`59
`60
`61
`62
`63
`64
`65
`66
`67
`68
`69
`70
`71
`72
`
`FIG. 5L
`
`CONNECTOR SJMM72
`
`SMART EXHIBIT 1001 - PAGE - 31
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 31 of 59
`
`US 6,243,315 Bl
`
`S1
`
`U1
`
`V1
`
`CAO
`111
`CA2.
`
`18
`
`!CHA
`
`S3
`
`15
`14
`13
`12
`
`/EMWIN
`
`4
`5
`6
`7
`8
`9
`11
`
`PD/13
`14
`15
`16
`17
`18
`l/E
`
`I/OM
`
`I/OE
`I/OD
`l/OC
`I/OB
`
`ATF16V8C
`
`-----+----'03
`
`FIG. 5M
`
`SMART EXHIBIT 1001 - PAGE - 32
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 32 of 59
`
`US 6,243,315 Bl
`
`G2
`
`H2
`
`AC 03
`
`5V
`
`......
`
`C\J
`
`......
`
`C6
`.01 C\J
`
`......
`
`Cl
`.01 C\J
`
`......
`
`CB
`.01 C\J
`
`......
`
`C9
`.01 C\J
`
`......
`CID
`.01 C\J
`
`......
`
`......
`
`C11
`.01 C\J
`
`C12
`.01 C\J
`
`C13
`.01
`
`FIG. 5N
`
`SMART EXHIBIT 1001 - PAGE - 33
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 33 of 59
`
`US 6,243,315 Bl
`
`U2
`
`V2
`
`BAO
`BA1
`BA2
`
`14
`13
`12
`11
`15
`
`QA
`QB
`QC
`QD
`RCO
`
`U5
`16
`vcco
`3 A
`4
`5 8
`6 c
`D
`7
`ENP
`10
`2 ENT
`CU<
`9
`1 LOAD
`CLR
`
`74HCT161-BU
`
`A4
`
`FIG. 50
`
`SMART EXHIBIT 1001 - PAGE - 34
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 34 of 59
`
`US 6,243,315 Bl
`
`E3
`
`f 3
`
`J/OI
`19 BAO
`I/OH i---:,.1=-8 ---~u.M------1
`17
`PDMODE
`UOGi---.-1~6~E=MWi.,._...,..,,..,m.,._-..r.:...:.:.:.=.;:~----1----1
`I/OF
`
`UOf i--:,1~5--~---'.:....::..::::....::.:.:~------1L----.1
`I/OD 1---':1~4 ----+-...---.i....:..=-=------
`1/0C i----,;1~3--~~=--=------+---J
`I/OB i---:.1=-2 ----+-~::::...__
`
`ATF16VBC
`A41------------.i-+--~
`
`5V
`
`SMART EXHIBIT 1001 - PAGE - 35
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 35 of 59
`
`US 6,243,315 Bl
`
`3.6V
`
`+ CB
`tout
`
`C3
`.01
`
`C\I
`
`c
`
`U1
`
`vss
`
`vss
`
`vcco
`vcco
`vcco vss
`vcco vss
`DQ1
`AO
`At
`D02
`DQ3
`A2
`A3
`D04
`DQ5
`A4
`A5
`D06
`DQl
`A6
`DQB
`Al
`DQ9
`AB
`DQ10
`A9
`A10 DQ11
`A11 0012
`0£ DQ13
`DQ14
`WE
`Ns 0015
`RAS DQ16
`/CASH
`
`12
`
`1
`
`6
`
`29
`30
`31
`32
`36
`1
`38
`4
`37
`
`'EL
`CASBOO
`RASLBO
`CA 801
`
`HM5 t 65 t 65LTT-5
`
`8
`
`,__~~~~~~~~~~~~--~~~~--(A
`
`FIG. 6A-1
`
`SMART EXHIBIT 1001 - PAGE - 36
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 36 of 59
`
`US 6,243,315 Bl
`
`K
`
`3.6V
`
`-
`
`cs
`.01
`
`,
`
`c
`
`8
`
`A
`
`U2
`
`vss
`
`12 vcco
`vss
`1
`vcco
`vcco vss
`6
`vcco vss
`DQ1
`AO
`DQ2
`A1
`DQ3
`A2
`DQ4
`A3
`DQ5
`A4
`DQ6
`AS
`DQ7
`A6
`DQB
`Al
`DQ9
`AB
`DQ10
`A9
`A10 0011
`A11 DQ12
`OE DQ13
`WE DQ14
`WIS DQ1S
`RAS 0016
`/CASH
`
`HM516
`
`RASH BO
`CASB07
`
`FIG. 6A-2
`
`'EH
`
`CASB04
`RASH BO
`CASB05
`
`SMART EXHIBIT 1001 - PAGE - 37
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 37 of 59
`
`US 6,243,315 Bl
`
`p
`
`0
`
`L
`
`K
`
`3.6V
`
`-
`IIOW
`
`+ G6
`
`Cl
`
`J-01
`
`U3
`
`vss
`
`12 vcco
`vss
`vcco
`1
`6 vcco vss
`vcco vss
`DQ1
`AO
`DQ2
`At
`DQ3
`A2
`DQ4
`A3
`A4
`DQ5
`DQ6
`A5
`A6
`DQl
`DQB
`Al
`DQ9
`AB
`DQ10
`A9
`A10 DQ11
`dJ.1 DQ12
`OE
`DQ13
`WE
`DQ14
`GAS DQ15
`RAS DQ16
`/CASH
`
`HM5165165LTf-5
`
`N
`
`FIG. 6A-3
`
`SMART EXHIBIT 1001 - PAGE - 38
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 38 of 59
`
`US 6,243,315 Bl
`
`3.6V
`
`+ Ct
`
`I10W
`
`:I C2 1 .01
`
`U4
`
`vss
`
`R
`
`6
`
`vss
`
`12 vcco
`1
`vcco
`vcco vss
`vcco vss
`AO
`001
`DQ2
`A1
`A2
`003
`A3
`004
`A4
`005
`006
`A5
`A6
`007
`Al
`DOB
`AB
`009
`A9
`0010
`A10 D011
`A11 0012
`OE 0013
`DQ14
`WE
`NS 0015
`RAS 0016
`/CASH
`
`HM5165165L1T-5
`
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`SMART EXHIBIT 1001 - PAGE - 39
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`

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`U.S. Patent
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`Jun.5,2001
`
`Sheet 39 of 59
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`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 40
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`U.S. Patent
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`Jun.5,2001
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`Sheet 40 of 59
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`SMART EXHIBIT 1001 - PAGE - 41
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`U.S. Patent
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`Jun.5,2001
`
`Sheet 41 of 59
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`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 42
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`

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`U.S. Patent
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`Jun.5,2001
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`Sheet 42 of 59
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`SMART EXHIBIT 1001 - PAGE - 43
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`

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`U.S. Patent
`
`Jun.5,2001
`
`Sheet 43 of 59
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`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 44
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`

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`
`Jun.5,2001
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`Sheet 44 of 59
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`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 45 of 59
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`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 51
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 51 of 59
`
`US 6,243,315 Bl
`
`- -R 0.0787 (2 PLCS.)
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`SMART EXHIBIT 1001 - PAGE - 52
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 52 of 59
`
`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 53
`
`

`
`U.S. Patent
`
`Jun.5,2001
`
`Sheet 53 of 59
`
`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 54
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`Jun.5,2001
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`Sheet 54 of 59
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`SMART EXHIBIT 1001 - PAGE - 55
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`U.S. Patent
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`Jun.5,2001
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`Sheet 55 of 59
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`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 56
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`Jun.5,2001
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`Sheet 56 of 59
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`SMART EXHIBIT 1001 - PAGE - 57
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`U.S. Patent
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`Jun.5,2001
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`Sheet 57 of 59
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`SMART EXHIBIT 1001 - PAGE - 58
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`U.S. Patent
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`Jun. 5, 2001
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`Sheet 58 of 59
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`US 6,243,315 Bl
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`ml
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`SMART EXHIBIT 1001 - PAGE - 59
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`U.S. Patent
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`Jun.5,2001
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`Sheet 59 of 59
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`US 6,243,315 Bl
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`SMART EXHIBIT 1001 - PAGE - 60
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`US 6,243,315 Bl
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`1
`COMPUTER MEMORY SYSTEM WITH A
`LOW POWER DOWN MODE
`
`STATEMENT RELATED TO GOVERNMENT
`FUNDED RESEARCH AND DEVELOPMENT
`
`Not Applicable
`
`BACKGROUND
`
`25
`
`30
`
`2
`power down time period to too small a value can actually
`decrease battery life as the need to access the disk drive
`requires the disk drive be returned to a fully spinning
`condition. This return to a fully spinning condition can
`5 sometimes require more power than would be required to
`maintain the disk drive in the full spin operational mode.
`Computer systems contain different forms of semicon(cid:173)
`ductor memory used to store programs and data. The most
`common of these memories are Programmable Read-Only
`10 Memory (PROM), EPROM (Erasable PROM), EEPROM
`(Electrically Erasable PROM), FLASH and volatile s