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参数资料
| 型号： | IN74ACT640DW |
| 厂商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | OCTAL 3-STATE INVERTING BUS TRANSCEIVER |
| 中文描述： | 八路三态反相总线收发器 |
| 文件页数： | 1/5页 |
| 文件大小： | 211K |
| 代理商： | IN74ACT640DW |
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
相关PDF资料 |
PDF描述 |
|---|---|
| IN74ACT640N | RES 909K 1% SMT 0805 |
| IN74ACT643 | OCTAL 3-STATE BUS TRANSCEIVER |
| IN74ACT643DW | OCTAL 3-STATE BUS TRANSCEIVER |
| IN74ACT643N | OCTAL 3-STATE BUS TRANSCEIVER |
| IN74ACT651 | OCTAL 3-STATE BUS TRANSCEIVERS AND D FLIP-FLOPS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IN74ACT640N | 制造商:INTEGRAL 制造商全称:INTEGRAL 功能描述:OCTAL 3-STATE INVERTING BUS TRANSCEIVER |
| IN74ACT643 | 制造商:INTEGRAL 制造商全称:INTEGRAL 功能描述:OCTAL 3-STATE BUS TRANSCEIVER |
| IN74ACT643DW | 制造商:INTEGRAL 制造商全称:INTEGRAL 功能描述:OCTAL 3-STATE BUS TRANSCEIVER |
| IN74ACT643N | 制造商:INTEGRAL 制造商全称:INTEGRAL 功能描述:OCTAL 3-STATE BUS TRANSCEIVER |
| IN74ACT651 | 制造商:INTEGRAL 制造商全称:INTEGRAL 功能描述:OCTAL 3-STATE BUS TRANSCEIVERS AND D FLIP-FLOPS |
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