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參數資料
| 型號： | HD74HC245 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers And Line Drivers With 3-State Outputs 20-LCCC -55 to 125 |
| 中文描述： | 八路總線收發器（3態輸出） |
| 文件頁數： | 1/9頁 |
| 文件大?。?/td> | 58K |
| 代理商： | HD74HC245 |
HD74HC245
Octal Bus Transceivers (with 3-state outputs)
Description
Each device has an active low enable input
G
and a direction control input, DIR. When DIR is high, data
flows from the A inputs to the B outputs. When DIR is low, data flows from the B inputs to the A outputs.
The HD74HC245 transfers true data from one bus to the other. This device does not have schmitt trigger
inputs.
Features
High Speed Operation: t
pd
= 8 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
Function Table
Enable G
Direction Control DIR
Operation
L
L
B data to A bus
L
H
A data to B bus
H
H :
L
X :
X
Isolation
high level
low level
irrelevant
:
相關PDF資料 |
PDF描述 |
|---|---|
| HD74HC251 | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| HD74HC253 | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
| HD74HC257 | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| HD74HC258 | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
| HD74HC259 | Octal Bus Transceivers With 3-State Outputs 20-LCCC -55 to 125 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HD74HC245FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC245FPEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC245FPV-E | 制造商:Renesas Electronics 功能描述:74HC Octal Bus Transceiver(3-State) Bulk |
| HD74HC245FPVEL-E-Q | 制造商:Renesas Electronics Corporation 功能描述:RENHD74HC245FPVEL-E-Q GENERAL-PURPOSE LO |
| HD74HC245-T(ELL-E) | 制造商:Renesas Electronics Corporation 功能描述: |
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