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參數(shù)資料
| 型號(hào)： | U632H64S2C25G1 |
| 英文描述： | PowerStore 8K x 8 nvSRAM |
| 中文描述： | PowerStore 8K的× 8非易失 |
| 文件頁(yè)數(shù)： | 8/15頁(yè) |
| 文件大小： | 225K |
| 代理商： | U632H64S2C25G1 |
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U632H64
8
August 15, 2006
STK Control #ML0047
Rev 1.1
PowerStore
and automatic Power Up RECALL
Hardware Controlled STORE
DQi
Output
Previous Data Valid
HSB
t
en(H)S
Data Valid
t
dis(H)S
p:
q:
r:
t
PDSTORE
approximate t
d(E)S
or t
d(H)S
; t
DELAY
approximate t
dis(H)S
.
After t
w(H)S
HSB is hold down internal by STORE operation.
An automatic RECALL also takes place at power up, starting when V
CC
exceeds V
SWITCH
and takes t
RESTORE
. V
CC
must not drop below
V
SWITCH
once it has been exceeded for the RECALL to function properly.
Once the software controlled STORE or RECALL cycle is initiated, it completes automatically, ignoring all inputs.
Noise on the E pin may trigger multiple READ cycles from the same address and abort the address sequence.
s:
t:
No.
Software Controlled STORE/
RECALL Cycle
Symbol
Unit
Alt.
IEC
Min. Max.
29
STORE/RECALL Initiation Time
t
AVAV
t
cR
25
ns
30
Chip Enable to Output Inactive
s
t
ELQZ
t
dis(E)SR
600
ns
31
STORE Cycle Time
t
ELQXS
t
d(E)S
10
ms
32
RECALL Cycle Time
r
t
ELQXR
t
d(E)R
20
μ
s
33
Address Setup to Chip Enable
t
AVELN
t
su(A)SR
0
ns
34
Chip Enable Pulse Width
s, t
t
ELEHN
t
w(E)SR
20
ns
35
Chip Disable to Address Change
t
EHAXN
t
h(A)SR
0
ns
t
w(H)Sq
(28)
(26)
(27)
High Impedance
V
CAP
5.0 V
V
SWITCH
t
PowerStore
Power Up
RECALL
W
DQi
POWER UP
RECALL
BROWN OUT
NO STORE
t
RESTOR
E
t
RESTORE
BROWN OUT
PowerStore
(NO S RAM WRITES)
(24)
(24)
t
PDSTOREp
t
DELAYp
(25)
t
d(H)S
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| U632H64S2K25G1 | PowerStore 8K x 8 nvSRAM |
| U634H256BD1C25 | NVRAM (EEPROM Based) |
| U634H256BD1C35 | NVRAM (EEPROM Based) |
| U634H256BD1C45 | NVRAM (EEPROM Based) |
| U634H256BD1K25 | NVRAM (EEPROM Based) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| U632H64S2K25 | 制造商:Cypress Semiconductor 功能描述: |
| U632H64S2K25G1 | 制造商:SIMTEK 制造商全稱:Simtek Corporation 功能描述:PowerStore 8K x 8 nvSRAM |
| U632H64S2K25G1TR | 制造商:Cypress Semiconductor 功能描述: |
| U632H64SC25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based) |
| U632H64SC35 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based) |
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