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參數(shù)資料
| 型號： | CYM1946 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 512K x 32 Static RAM Module(512K x 32 靜態(tài)RAM模塊) |
| 中文描述： | 512k × 32的靜態(tài)RAM模塊（512k × 32的靜態(tài)內(nèi)存模塊） |
| 文件頁數(shù)： | 5/6頁 |
| 文件大小： | 158K |
| 代理商： | CYM1946 |
CYM1946
5
Document #: 38-M-00084
Note:
10. If CS goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Switching Waveforms
(continued)
Write Cycle No. 2 (CS Controlled)
t
WC
DATA VALID
DATA UNDEFINED
HIGH IMPEDANCE
t
SCS
t
AW
t
PWE
t
HA
t
HD
t
HZWE
t
SD
CS
WE
1840–8
ADDRESS
DATA IN
DATA OUT
t
SA
[6,10]
Truth Table
CS
H
L
L
L
WE
X
H
L
H
OE
X
L
X
H
Inputs/Output
High Z
Data Out
Data In
High Z
Mode
Deselect/Power-Down
Read
Write
Deselect
Ordering Information
Speed
(ns)
35
45
55
Ordering Code
CYM1946PM-35C
CYM1946PM-45C
CYM1946PM-55C
Package
Type
PM47
PM47
PM47
Package Type
Operating
Range
Commercial
Commercial
Commercial
72-Pin Plastic SIMM Module
72-Pin Plastic SIMM Module
72-Pin Plastic SIMM Module
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