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參數(shù)資料
| 型號： | U631H256 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SoftStore 32K x 8 nvSRAM |
| 中文描述： | SoftStore 32K的× 8非易失 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 150K |
| 代理商： | U631H256 |
U631H256
7
March 31, 2006
STK Control #ML0043
Rev 1.0
No.STORE Cycle Inhibit and
Automatic Power Up RECALL
Symbol
Min.
Max.
Unit
Alt.
IEC
24 Power Up RECALL Duration
k
t
RESTORE
650
μ
s
Low Voltage Trigger Level
V
SWITCH
4.0
4.5
V
Nonvolatile Memory Operations
k:
t
RESTORE
starts from the time V
CC
rises above V
SWITCH
.
STORE Cycle Inhibit and Automatic Power Up RECALL
V
CC
5.0 V
V
SWITCH
STORE inhibit
Power Up
RECALL
t
RESTORE
(24)
t
Software Mode Selection
E
W
A13 - A0
(hex)
Mode
I/O
Power
Notes
L
H
0E38
31C7
03E0
3C1F
303F
0FC0
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile STORE
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
Active
I
CC2
l, m
l, m
l, m
l, m
l, m
l, m
L
H
0E38
31C7
03E0
3C1F
303F
0C63
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile RECALL
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
Active
l, m
l, m
l, m
l, m
l, m
l, m
l:
The six consecutive addresses must be in order listed. W must be high during all six consecutive cycles. See STORE cycle and RECALL
cycle tables and diagrams for further details.
The following six-address sequence is used for testing purposes and should not be used: 0E38, 31C7, 03E0, 3C1F, 303F, 339C.
m: While there are 15 addresses on the U631H256, only the lower 14 are used to control software modes.
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| U631H256CD1C25 | 制造商:Cypress Semiconductor 功能描述: |
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| U631H256S2K25G1 | 制造商:SIMTEK 制造商全稱:Simtek Corporation 功能描述:SoftStore 32K x 8 nvSRAM |
| U631H256SC25 | 制造商:Cypress Semiconductor 功能描述: |
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