參數(shù)資料
型號: IN74ACT640N
廠商: INTEGRAL JOINT STOCK COMPANY
英文描述: RES 909K 1% SMT 0805
中文描述: 八路三態(tài)反相總線收發(fā)器
文件頁數(shù): 1/5頁
文件大小: 211K
代理商: IN74ACT640N
IN74ACT640
1
O
CTAL
3-S
TATE
I
NVERTING
B
US
T
RANSCEIVER
High-Speed Silicon-Gate CMOS
The IN74ACT640 is identical in pinout to the LS/ALS640,
HC/HCT640. The IN74ACT640 may be used as a level converter
for interfacing TTL or NMOS outputs to High Speed CMOS
inputs.
The IN74ACT640 is a 3-state transceiver that is used for 2-
way asynchronous communication between data buses. The
device has an active-low Output Enable pin, which is used to
place the I/O ports into high-impedance states. The Direction
control determines whether data flows from A to B or from B to A.
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
μ
A; 0.1
μ
A @ 25
°
C
Outputs Source/Sink 24 mA
ORDERING INFORMATION
IN74ACT640N Plastic
IN74ACT640DW SOIC
T
A
= -40
°
to 85
°
C for all
packages
PIN ASSIGNMENT
FUNCTION TABLE
Control Inputs
Output
Enable
L
L
Direction
Operation
Data
Transmitted
from Bus B to
Bus A (inverted)
Data
Transmitted
from Bus A to
Bus B (inverted)
Buses Isolated
(High
Impedance
State)
L
H
H
X
X = don’t care
LOGIC DIAGRAM
PIN 20=V
CC
PIN 10 = GND
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IN74ACT643 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:OCTAL 3-STATE BUS TRANSCEIVER
IN74ACT643DW 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:OCTAL 3-STATE BUS TRANSCEIVER
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IN74ACT651 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:OCTAL 3-STATE BUS TRANSCEIVERS AND D FLIP-FLOPS
IN74ACT651DW 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:OCTAL 3-STATE BUS TRANSCEIVERS AND D FLIP-FLOPS