參數(shù)資料
型號: MC74F2444DW
廠商: Motorola, Inc.
英文描述: Supply Voltage Supervisor w/Watchdog input, RESET, /RESET 5-SOT-23
中文描述: 八路緩沖器/線路驅(qū)動器,具有三態(tài)輸出快速肖特基TTL
文件頁數(shù): 2/4頁
文件大?。?/td> 89K
代理商: MC74F2444DW
4-109
FAST AND LS TTL DATA
MC54/74F240
MC54/74F241
MC54/74F244
OEa
L
L
H
Ia
L
H
X
OEb
L
L
H
Ib
L
H
X
Ya
H
L
Z
Yb
H
L
Z
Inputs
Outputs
FUNCTION TABLE
MC54/74F240
H = HIGH Voltage Level; L = LOW Voltage Level; X = Don’t Care; Z = High Impedance
OEa
L
L
H
Ia
L
H
X
OEb
H
H
L
Ib
L
H
X
Ya
L
H
Z
Yb
L
H
Z
Inputs
Outputs
FUNCTION TABLE
MC54/74F241
OEa
L
L
H
Ia
OEbIb
L
L
H
Ya
Yb
L
H
Z
L
H
Z
L
H
X
L
H
X
Inputs
Outputs
FUNCTION TABLE
MC54/74F244
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
TA
Supply Voltage
54, 74
4.5
5.0
5.5
V
Operating Ambient Temperature Range
54
–55
25
125
°
C
74
0
25
70
IOH
Output Current — High
54
74
–12
–15
mA
IOL
Output Current — Low
54
74
48
64
mA
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