is62wv25616all Integrated Silicon Solution, Inc., is62wv25616all Datasheet - Page 9

• Manufacturer Part Number: is62wv25616all
• Description: 256k X 16 Low Voltage, Ultra Low Power Cmos Static Sram
• Manufacturer: Integrated Silicon Solution, Inc.

IS62WV25616ALL, IS62WV25616BLL
AC WAVEFORMS
WRITE CYCLE NO. 1
Notes:
1. WRITE is an internally generated signal asserted during an overlap of the LOW states on the CS1 and WE inputs and at
2. WRITE = (CS1) [ (LB) = (UB) ] (WE).
WRITE CYCLE NO. 2
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. D
03/03/2008
least one of the LB and UB inputs being in the LOW state.
ADDRESS
ADDRESS
LB, UB
LB, UB
DOUT
DOUT
CS1
DIN
CS1
WE
DIN
WE
OE
(1,2)
(WE Controlled: OE is HIGH During Write Cycle)
(CS1 Controlled, OE = HIGH or LOW)
t
DATA UNDEFINED
t
DATA UNDEFINED
SA
SA
t
t
AW
AW
t
t
HZWE
HZWE
1-800-379-4774
t
t
SCS1
SCS1
t
t
t
PWB
t
PWE
t
WC
WC
PWE
HIGH-Z
HIGH-Z
t
t
SD
SD
DATA-IN VALID
DATA-IN VALID
t
t
HA
HA
t
t
t
t
LZWE
HD
LZWE
HD
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