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參數(shù)資料
| 型號： | HD74BC623A |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Bus Transceivers With 3 State Outputs(三態(tài)輸出的八總線收發(fā)器) |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出（三態(tài)輸出的八總線收發(fā)器） |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 42K |
| 代理商： | HD74BC623A |
HD74BC623A
Octal Bus Transceivers With 3 State Outputs
ADE-205-025 (Z)
Rev.0
June 1993
Description
The HD74BC623A provides high drivability and operation equal to or better than high speed bipolar
standard logic IC by using Bi-CMOS process. The device features low power dissipation that is about 1/5
of high speed bipolar logic IC. When the frequency is 10 MHz. The device has eight bus transceivers with
three state outputs in a 20 pin package. This device allows data transmission from the A bus to the B bus or
from the B bus to the A bus depending upon the logic levels at the enable inputs (
GBA
and GAB). The
enable inputs can be used to disable the device so that the buses are effectively isolated.
Features
Input/Output are at high impedance state when power supply is off.
Input pins can be open, when not used, owing to built in input pull up circuit.
Input is TTL level.
Wide operating temperature range
Ta = –40 to +85°C.
Function Table
Enable Inputs
GBA
GAB
Operation
L
L
B data to A bus
H
H
A data to B bus
H
L
Isolation
L
H
B data to A bus
A data to B bus
H :
L
High level
Low level
:
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74BC623AFP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS TRANSCEIVER|SINGLE|8-BIT|BICMOS-TTL|SOP|20PIN|PLASTIC |
| HD74BC623AFPEL | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Octal Bus Transceivers With 3 State Outputs |
| HD74BC623AP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS TRANSCEIVER|SINGLE|8-BIT|BICMOS-TTL|DIP|20PIN|PLASTIC |
| HD74BC623ARP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Transceiver |
| HD74BC623AT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS TRANSCEIVER|SINGLE|8-BIT|BICMOS-TTL|TSSOP|20PIN|PLASTIC |
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