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IS64WV3216BLL-15CTLA3-TR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
10 Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. B
07/22/09
IS64WV3216BLL
IS61WV3216BLL
WRITE CYCLE NO. 1
(1,2)
(CE Controlled, OE=HIGHorLOW)
DATA UNDEFINED
t
WC
VALID ADDRESS
t
SCE
t
PWE1
t
PWE2
t
AW
t
HA
HIGH-Z
t
PBW
t
HD
t
SA
t
HZWE
ADDRESS
CE
UB, LB
WE
D
OUT
D
IN
DATA
IN
VALID
t
LZWE
t
SD
UB_CEWR1.eps
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 11
Rev. B
07/22/09
IS64WV3216BLL
IS61WV3216BLL
WRITE CYCLE NO. 2
(1)
(WE Controlled, OE = HIgH during Write Cycle)
DATA UNDEFINED
LOW
t WC
VALID ADDRESS
t PWE1
t AW
t HA
HIGH-Z
t PBW
t HD
t SA
t HZWE
ADDRESS
CE
UB, LB
WE
D
OUT
D
IN
OE
DATAIN VALID
t LZWE
t SD
UB_CEWR2.eps
WRITE CYCLE NO. 3 (WEControlled:OEisLOWDuringWriteCycle)
DATA UNDEFINED
t
WC
VALID ADDRESS
LOW
LOW
t
PWE2
t
AW
t
HA
HIGH-Z
t
PBW
t
HD
t
SA
t
HZWE
ADDRESS
CE
UB, LB
WE
D
OUT
D
IN
OE
DATA
IN
VALID
t
LZWE
t
SD
UB_CEWR3.eps
12 Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. B
07/22/09
IS64WV3216BLL
IS61WV3216BLL
DATA UNDEFINED
t
WC
ADDRESS 1 ADDRESS 2
t
WC
HIGH-Z
t
PBW
WORD 1
LOW
WORD 2
UB_CEWR4.eps
t
HD
t
SA
t
HZWE
ADDRESS
CE
UB, LB
WE
D
OUT
D
IN
OE
DATA
IN
VALID
t
LZWE
t
SD
t
PBW
DATA
IN
VALID
t
SD
t
HD
t
SA
t
HA
t
HA
WRITE CYCLE NO. 4
(LB, UB Controlled,Back-to-BackWrite)
(1,3)
Notes:
1. TheinternalWritetimeisdenedbytheoverlapofCE = Low, UB and/or LB = Low, and WE=LOW.Allsignalsmustbe
invalidstatestoinitiateaWrite,butanycanbedeassertedtoterminatetheWrite.The
t s A , t H A , t s d , and t H d timing is refer-
enced to the rising or falling edge of the signal that terminates the Write.
2. TestedwithOEHIGHforaminimumof4nsbeforeWE=LOWtoplacetheI/OinaHIGH-Zstate.
3. WEmaybeheldLOWacrossmanyaddresscyclesandtheLB, UB pins can be used to control the Write function.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

IS64WV3216BLL-15CTLA3-TR

Mfr. #:
Buy IS64WV3216BLL-15CTLA3-TR
Manufacturer:
ISSI
Description:
SRAM 512Kb (32Kx16) Async SRAM
Lifecycle:
New from this manufacturer.
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