參數(shù)資料
型號(hào): UPD444016LE-8
廠商: NEC Corp.
英文描述: 4M-BIT CMOS FAST SRAM 256K-WORD BY 16-BIT
中文描述: 4分位CMOS快速靜態(tài)存儲(chǔ)器256K字由16位
文件頁(yè)數(shù): 3/16頁(yè)
文件大小: 101K
代理商: UPD444016LE-8
3
μ
PD444016
Data Sheet M14430EJ4V0DS
Block Diagram
GND
V
CC
/WE
/CS
/LB
/OE
Input data
controller
Sense amplifier /
Switching circuit
Column decoder
Address buffer
A0
|
A17
A
R
Memory cell array
4,194,304 bits
Output data
controller
/UB
I/O9 - I/O16
I/O1 - I/O8
Truth Table
/CS
/OE
/WE
/LB
/UB
Mode
I/O
Supply current
I/O1 - I/O8
I/O9 - I/O16
H
×
×
×
×
Not selected
High impedance
High impedance
I
SB
L
L
H
L
L
Read
D
OUT
D
OUT
I
CC
L
H
D
OUT
High impedance
H
L
High impedance
D
OUT
L
×
L
L
L
Write
D
IN
D
IN
L
H
D
IN
High impedance
H
L
High impedance
D
IN
L
H
H
×
×
Output disable
High impedance
High impedance
L
×
×
H
H
High impedance
High impedance
Remark
×
: Don’t care
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