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參數(shù)資料
| 型號(hào)： | IN74AC640N |
| 廠商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | Octal 3-State Inverting Bus Transceiver |
| 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?。?/td> | 197K |
| 代理商： | IN74AC640N |
TECHNICAL DATA
496
Octal 3-State Inverting
Bus Transceiver
High-Speed Silicon-Gate CMOS
The IN74AC640 is identical in pinout to the LS/ALS640,
HC/HCT640. The device inputs are compatible with standard CMOS
outputs; with pullup resistors, they are compatible with LS/ALS
outputs.
The IN74AC640 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.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0
μ
A; o.1
μ
A @ 25
°
C
High Noise Immunity Characteristic of CMOS Devices
Outputs Source/Sink 24 mA
IN74AC640
ORDERING INFORMATION
IN74AC640N Plastic
IN74AC640DW SOIC
T
A
= -40
°
to 85
°
C for all
packages
PIN ASSIGNMENT
FUNCTION TABLE
Control Inputs
Output
Enable
Direction
Operation
L
L
Data Transmitted
from Bus B to
Bus A (inverted)
L
H
Data Transmitted
from Bus A to
Bus B (inverted)
H
X
Buses Isolated
(High Impedance
State)
X = don’t care
LOGIC DIAGRAM
PIN 20=V
CC
PIN 10 = GND
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| IN74AC643 | Octal 3-State Bus Transceiver High-Speed Silicon-Gate CMOS |
| IN74AC643DW | Octal 3-State Bus Transceiver High-Speed Silicon-Gate CMOS |
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| IN74ACT132 | QUAD 2-INPUT NAND GATE WITH SCHMITT-TRIGGER INPUTS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IN74AC643 | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:Octal 3-State Bus Transceiver High-Speed Silicon-Gate CMOS |
| IN74AC643DW | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:Octal 3-State Bus Transceiver High-Speed Silicon-Gate CMOS |
| IN74AC643N | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:Octal 3-State Bus Transceiver High-Speed Silicon-Gate CMOS |
| IN74AC651 | 制造商:IKSEMICON 制造商全稱:IK Semicon Co., Ltd 功能描述:Octal 3-State Bus Transceivers and D Flip-Flops High-Speed Silicon-Gate CMOS |
| IN74AC651DW | 制造商:IKSEMICON 制造商全稱:IK Semicon Co., Ltd 功能描述:Octal 3-State Bus Transceivers and D Flip-Flops High-Speed Silicon-Gate CMOS |
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