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TC74HCT244AF 参数 Datasheet PDF下载

TC74HCT244AF图片预览
型号: TC74HCT244AF
PDF下载: 下载PDF文件 查看货源
内容描述: 八路总线缓冲器,具有TTL输入电平 [Octal Bus Buffer with TTL Input Level]
分类和应用:
文件页数/大小: 8 页 / 270 K
品牌: TOSHIBA [ TOSHIBA SEMICONDUCTOR ]
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TC74HCT240,244AP/AF
Electrical Characteristics
DC Characteristics
Test Condition
Characteristics
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
3-state output
off-state current
Input leakage
current
Quiescent supply
current
Symbol
V
CC
(V)
I
OH
= −20 μA
V
IN
=
V
IH
or
I
OH
= −6
mA
V
IL
I
OL
=
20
μA
V
IN
=
V
IH
or
I
OL
=
6 mA
V
IL
V
IN
=
V
IH
or V
IL
V
OUT
=
V
CC
or GND
V
IN
=
V
CC
or GND
V
IN
=
V
CC
or GND
Per input: V
IN
=
0.5 V or 2.4 V
Other input: V
CC
or GND
4.5~
5.5
4.5~
5.5
4.5
4.5
4.5
4.5
5.5
5.5
5.5
5.5
Min
2.0
4.4
4.18
Ta
=
25°C
Typ.
4.5
4.31
0.0
0.17
Max
0.8
0.1
0.26
±0.5
±0.1
4.0
2.0
Ta
= −40~85°C
Min
2.0
4.4
4.13
Max
0.8
0.1
0.33
±5.0
±1.0
40.0
2.9
Unit
V
IH
V
IL
V
OH
V
V
V
V
OL
V
I
OZ
I
IN
I
CC
I
C
μA
μA
μA
mA
4
2007-10-01