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IS61WV51232BLL-10BLI

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
Integrated Silicon Solution, Inc. — www.issi.com 13
Rev. A
06/01/2016
IS61WV51232ALL/ALS
IS61WV51232BLL/BLS
IS64WV51232BLL/BLS
AC WAVEFORMS
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 HD
t SA
t HZWE
ADDRESS
CE
WE
D
OUT
D
IN
DATA
IN
VALID
t LZWE
t SD
CE_WR1.eps
14 Integrated Silicon Solution, Inc. — www.issi.com
Rev. A
06/01/2016
IS61WV51232ALL/ALS
IS61WV51232BLL/BLS
IS64WV51232BLL/BLS
AC WAVEFORMS
WRITE CYCLE NO. 2
(WE Controlled. OE isHIGHDuringWriteCycle)
(1,2)
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
BWa-d
WE
D
OUT
D
IN
OE
DATA
IN
VALID
t
LZWE
t
SD
UB_CEWR2.e
p
s
WRITE CYCLE NO. 3
(WE Controlled. OE isLOWDuringWriteCycle)
(1)
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
BWa-d
WE
D
OUT
D
IN
OE
DATA
IN
VALID
t
LZWE
t
SD
UB_CEWR3.eps
Integrated Silicon Solution, Inc. — www.issi.com 15
Rev. A
06/01/2016
IS61WV51232ALL/ALS
IS61WV51232BLL/BLS
IS64WV51232BLL/BLS
AC WAVEFORMS
WRITE CYCLE NO. 4
(Byte Controlled, Back-to-Back Write)
(1,3)
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
BWa-d
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
Notes:
1. TheinternalWritetimeisdenedbytheoverlapof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 sa, t ha, t sd, and t hd timing is referenced 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BWa-d pins can be used to control the Write function.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

IS61WV51232BLL-10BLI

Mfr. #:
Buy IS61WV51232BLL-10BLI
Manufacturer:
ISSI
Description:
SRAM 16M (512Kx32) 10ns Async SRAM 3.3v
Lifecycle:
New from this manufacturer.
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