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IN74HCT240ADW 参数 Datasheet PDF下载

IN74HCT240ADW图片预览
型号: IN74HCT240ADW
PDF下载: 下载PDF文件 查看货源
内容描述: 八路三态缓冲器/线路驱动器/线接收器 [OCTAL 3-STATE INVERTING BUFFER/LINE DRIVER/LINE RECEIVER]
分类和应用: 驱动器
文件页数/大小: 5 页 / 149 K
品牌: INTEGRAL [ INTEGRAL CORP. ]
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IN74HCT240A
O
CTAL
3-S
TATE
I
NVERTING
B
UFFER
/L
INE
D
RIVER
/L
INE
R
ECEIVER
High-Performance Silicon-Gate CMOS
The IN74HCT240A is identical in pinout to the LS/ALS240.
The IN74HCT240A may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
This octal inverting buffer/line driver/line receiver is designed
to be used with 3-state memory address drivers, clock drivers,
and other bus-oriented systems. The device has inverting
outputs and two active-low output enables.
TTL/NMOS Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 4.5 to 5.5 V
Low Input Current: 1.0
µA
ORDERING INFORMATION
IN74HCT240AN Plastic
IN74HCT240ADW SOIC
T
A
= -55° to 125° C for all
packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs
Enable A,
A,B
Enable B
L
L
L
H
H
X
Outputs
YA,YB
H
L
Z
PIN 20=V
CC
PIN 10 = GND
X = don’t care
Z = high impedance
1