M5M5256DFP 데이터 시트보기 (PDF) - Renesas Electronics
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M5M5256DFP Datasheet PDF : 8 Pages
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RENESAS LSIs
M5M5256DFP,VP-55LL,-70LL,-70LLI,
-55XL,-70XL
262144-BIT (32768-WORD BY 8-BIT) CMOS STATIC RAM
AC ELECTRICAL CHARACTERISTICS ( Vcc=5V±10%, unless otherwise noted )
(1) READ CYCLE
Symbol
Parameter
tCR
ta(A)
ta(S)
ta(OE)
tdis(S)
tdis(OE)
ten(S)
ten(OE)
tV(A)
Read cycle time
Address access time
Chip select access time
Output enable access time
Output disable time after /S high
Output disable time after /OE high
Output enable time after /S low
Output enable time after /OE low
Data valid time after address
Limits
-70LL,-70LLI,
-55LL, 55XL
-70 XL
Unit
Min Max Min Max
55
70
ns
55
70
ns
55
70
ns
30
35 ns
20
25 ns
20
25 ns
5
5
ns
5
5
ns
10
10
ns
(2) WRITE CYCLE
Symbol
Parameter
tCW
Write cycle time
tw(W)
Write pulse width
tsu(A)
Address setup time
tsu(A-WH) Address setup time with respect to /W high
tsu(S)
Chip select setup time
tsu(D)
Data setup time
th(D)
Data hold time
trec(W) Write recovery time
tdis(W) Output disable time from /W low
tdis(OE) Output disable time from /OE high
ten(W) Output enable time from /W high
ten(OE) Output enable time from /OE low
Limits
-55LL, -55XL
-70LL,-70LLI,
-70 XL
Unit
Min Max Min Max
55
70
ns
40
50
ns
0
0
ns
50
65
ns
50
65
ns
25
30
ns
0
0
20
20
5
5
0
ns
0
ns
25 ns
25 ns
5
ns
5
ns
4
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