參數(shù)資料
型號: 74F219SCX
英文描述: x4 SRAM
中文描述: x4的SRAM
文件頁數(shù): 2/7頁
文件大小: 71K
代理商: 74F219SCX
www.fairchildsemi.com
2
7
Unit Loading/Fan Out
Function Table
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Block Diagram
Pin Names
Description
U.L.
Input I
IH
/I
IL
Output I
OH
/I
OL
20
μ
A/
0.6 mA
20
μ
A/
1.2 mA
20
μ
A/
0.6 mA
20
μ
A/
0.6 mA
3 mA/24 mA (20 mA)
HIGH/LOW
1.0/1.0
1.0/2.0
1.0/1.0
1.0/1.0
150/40 (33.3)
A
0
A
3
CS
WE
D
0
D
3
O
0
O
3
Address Inputs
Chip Select Input (Active LOW)
Write Enable Input (Active LOW)
Data Inputs
3-STATE Data Outputs
Inputs
Operation
Condition of Outputs
CS
L
L
H
WE
L
H
X
Write
Read
Inhibit
High Impedance
True Stored Data
High Impedance
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