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參數(shù)資料
| 型號： | P4C174-20JM |
| 廠商： | Pyramid Semiconductor Corporation |
| 英文描述： | HIGH SPEED 8K x 8 CACHE TAG STATIC RAM |
| 中文描述： | 高速8K的高速緩存標記× 8靜態(tài)RAM |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 290K |
| 代理商： | P4C174-20JM |
P4C174
Page 5 of 12
Document #
SRAM118
REV C
Notes:
1. Transition is measured ±200 mV from steady state voltage with
Output
Load B. This parameter is sampled, not 100% tested.
2.
CE
is LOW,
OE
is LOW,
WE
is HIGH for READ cycle.
CE
or
WE
must
be HIGH during address transitions.
3. All address lines are valid no later than the transition of
CE
to LOW.
4. READ cycle time is measured from the last valid address to the first
transitioning address.
5. Powerup occurs as a result of any of the following conditions:
a) Falling edge of
CE
.
b) Falling edge of
WE
(
CE
active).
c) Any address line transition (
CE
active).
d) Any Data line transition (
CE
and
WE
active).
This device automatically powers down after T
has elapsed from
any of the prior conditions. Power dissipation is therefore a function
of cycle rate, not
CE
pulse width.
6.
CE
is LOW,
WE
is LOW for WRITE cycle.
CE
or
WE
must be HIGH
during address transitions.
7. WRITE cycle time is measured from the last valid address to the first
transitioning address.
8.
OE
is LOW for this WRITE cycle to show T
WZ
and T
OW
.
READ CYCLE NO. 2 (ADDRESS CONTROLLED)
(2)
READ CYCLE NO. 3 (
CE
CONTROLLED)
(2, 3)
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|---|---|
| P4C174-20JMB | HIGH SPEED 8K x 8 CACHE TAG STATIC RAM |
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| P4C174-20PMB | HIGH SPEED 8K x 8 CACHE TAG STATIC RAM |
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