參數(shù)資料
型號(hào): HM67S36130
廠商: Hitachi,Ltd.
英文描述: 4M Synchronous Fast Static RAM (128k-words ×36-bits)(4M同步快速靜態(tài)RAM(128k字 ×36位))
中文描述: 4分同步快速靜態(tài)存儲(chǔ)器(128K的,字× 36位)(4分同步快速靜態(tài)隨機(jī)存儲(chǔ)器(128K的字× 36位))
文件頁數(shù): 5/25頁
文件大?。?/td> 191K
代理商: HM67S36130
HM67S36130 Series
5
Truth Table
SS
G
SWE
SWEa SWEb SWEc SWEd
K
K
Operation
DQa
DQb
DQc
DQd
H
X
X
X
X
X
X
L-H
H-L
Dead (not
selected)
High-Z High-Z High-Z High-Z
L
H
H
X
X
X
X
L-H
H-L
Dead
(Dummy
read)
High-Z High-Z High-Z High-Z
L
L
H
X
X
X
X
L-H
H-L
Read
Dout
Dout
Dout
Dout
L
X
L
L
L
L
L
L-H
H-L
Write a, b,
c, d byte
Din
Din
Din
Din
L
X
L
H
L
L
L
L-H
H-L
Write b, c, d
byte
High-Z Din
Din
Din
L
X
L
L
H
L
L
L-H
H-L
Write a, c, d
byte
Din
High-Z Din
Din
L
X
L
L
L
H
L
L-H
H-L
Write a, b, d
byte
Din
Din
High-Z Din
L
X
L
L
L
L
H
L-H
H-L
Write a, b, c
byte
Din
Din
Din
High-Z
L
X
L
H
H
L
L
L-H
H-L
Write c, d
byte
High-Z High-Z Din
Din
L
X
L
L
H
H
L
L-H
H-L
Write a, d
byte
Din
High-Z High-Z Din
L
X
L
L
L
H
H
L-H
H-L
Write a, b
byte
Din
Din
High-Z High-Z
L
X
L
H
L
L
H
L-H
H-L
Write b, c
byte
High-Z Din
Din
High-Z
L
X
L
H
H
H
L
L-H
H-L
Write d byte High-Z High-Z High-Z Din
L
X
L
H
H
L
H
L-H
H-L
Write c byte High-Z High-Z Din
High-Z
L
X
L
H
L
H
H
L-H
H-L
Write b byte High-Z Din
High-Z High-Z
L
Notes: 1. X means don’t care for synchronous inputs, and H or L for asynchronous inputs.
2.
SWE
,
SS
,
SWEa
to
SWEd
, SA are sampled at the rising edge of K clock.
X
L
L
H
H
H
L-H
H-L
Write a byte Din
High-Z High-Z High-Z
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