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P4C174-12JC 查看數據表(PDF) - Performance Semiconductor
零件编号
产品描述 (功能)
生产厂家
P4C174-12JC
HIGH SPEED 8K x 8 CACHE TAG STATIC RAM
Performance Semiconductor
P4C174-12JC Datasheet PDF : 10 Pages
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P4C174
AC CHARACTERISTICS—READ CYCLE
(V
CC
= 5V
±
10%, All Temperature Ranges)
(2)
Symbol Parameter
–8
–10
Min Max Min Max
–12
Min Max
–15
Min Max
–20
Min Max
–25
Min Max
t
Read Cycle Time
8
RC
10
12
15
20
25
t
Address Access
AA
Time
8
10
12
15
20
25
t
OH
Address Change to 3
3
3
3
3
3
Output Change
t
AC
Chip Enable LOW to
8
Output Valid
10
12
15
20
25
t
LZ
Chip Enable LOW 3
3
3
3
3
3
to Output LOW-Z
(1)
t
HZ
Chip Enable HIGH
5
to Output HIGH -Z
(1)
5
5
8
8
10
t
OE
Output Enable LOW
5
6
6
8
10
12
to Output Valid
t
OLZ
Output Enable LOW 0
0
0
0
0
0
to Output LOW-Z
(1)
t
OHZ
Output Enable HIGH
5
to Output HIGH -Z
(1)
5
5
5
8
10
t
PU
Chip Enable LOW or 0
0
0
0
0
0
Address Change to
Powerup
t
pUPD
Powerup to
Powerdown
20
20
20
20
20
25
Note:
1. Transition is measured
±
200 mV from steady state voltage with Output Load B.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
READ CYCLE NO. 1 (OE CONTROLLED)
(2, 3)
ADDRESS
OE
CE
t
AA
t
OE
(1)
t
OLZ
t
RC
(4)
t
OH
DATA OUT
t
AC
(1)
t
LZ
t
OHZ
(1)
t
HZ
(1)
102
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