参数资料
型号: P4C422
厂商: Electronic Theatre Controls, Inc.
英文描述: ULTRA HIGH SPEED 256 X 4 STATIC CMOS RAM
中文描述: 超高速静态256 × 4 CMOS存储器
文件页数: 4/6页
文件大小: 78K
代理商: P4C422
4
P4C422
Max
AC CHARACTERISTICS—WRITE CYCLE
(V
CC
= 5V
±
10% except as noted, All Temperature Ranges)
(2)
TIMING WAVEFORM OF WRITE CYCLE
Parameter
Write Cycle Time
(5)
Write Enable to High-Z
(6)
Write Recovery Time
Write Pulse Width
(5,7)
Data Setup Time Prior to Write
(5)
Data Hold Time
(5)
Address Setup Time
(5,7)
Address Hold Time
(5)
Chip Select Setup Time
(5)
Chip Select Hold Time
(5)
Sym.
t
WC
t
ZWS
t
WR
t
W
t
WSD
t
WHD
t
WSA
t
WHA
t
WSCS
t
WHCS
-10*
-12
-15
-20
-25
-35
Unit
Min Max Min Max Min Max Min
10
12
Min Max Min Max
25
8
0
2
8
8
9
0
10
10
15
11
0
2
12
12
20
13
2
15
15
15
5
20
20
35
20
5
30
25
ns
ns
ns
ns
ns
*V
CC
= 5V
±
5%
2
2
5
5
5
ns
0
0
0
2
5
5
ns
2
2
4
5
5
5
ns
0
0
0
2
5
5
ns
2
2
5
5
5
ns
tWR
tZWS
tWHCS
tWHD
tWSD
tWSA
tWSCS
tWC
CS
1
CS2
WE
ADDRESS
A0–A7
O0–O3
DATA IN
D0–D3
tW
tWHA
DATA
OUTPUTS
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