參數(shù)資料
型號(hào): UPD43256BGU-B10
廠商: NEC Corp.
英文描述: 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
中文描述: 256K位CMOS靜態(tài)RAM 32K的詞8位
文件頁(yè)數(shù): 5/24頁(yè)
文件大?。?/td> 174K
代理商: UPD43256BGU-B10
5
μ
PD43256B
Block Diagram
A0
|
A14
I/O1
|
I/O8
A
R
Memory cell array
262,144 bits
Input data
controller
Sense/Switch
Column decoder
Address buffer
Output data
controller
CS
OE
V
CC
WE
GND
Truth Table
CS
OE
WE
Mode
I/O
Supply current
H
×
×
Not selected
High impedance
I
SB
L
H
H
Output disable
I
CCA
L
×
L
Write
D
IN
L
L
H
Read
D
OUT
Remark
×
: Don’t care
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