mws5101 Intersil Corporation, mws5101 Datasheet - Page 5

• Manufacturer Part Number: mws5101
• Description: 256-word X 4-bit Lsi Static Ram
• Manufacturer: Intersil Corporation

NOTE: t
ODS
is required for common I/O operation only; for separate I/O operations, output disable is “don’t care”.
OUTPUT DISABLE
OUTPUT DISABLE
CHIP SELECT 1
CHIP SELECT 2
READ/WRITE
CHIP SELECT 1
CHIP SELECT 2
READ/WRITE
DATA OUT
A0 - A7
DI1-DI4
A0-A7
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IMPEDANCE
HIGH
FIGURE 1. READ CYCLE TIMING WAVEFORMS
FIGURE 2. WRITE CYCLE TIME WAVEFORMS
MWS5101, MWS5101A
t
DOA2
t
AS
t
(NOTE)
CS1S
t
t
ODS
DOA1
t
AA
DON’T CARE
6-60
t
DOA3
t
CS2S
t
RC
t
WC
DATA IN STABLE
t
WRW
t
DS
t
t
CS2H
CS1H
DATA OUT
VALID
t
DOH3
t
t
DOH1
DOH2
t
WR
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t
DH
IMPEDANCE
HIGH