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參數資料
| 型號： | HD74HC244 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| 中文描述： | 八路緩沖器/線路驅動器/線接收器（noninverted三態輸出） |
| 文件頁數： | 1/10頁 |
| 文件大小： | 61K |
| 代理商： | HD74HC244 |
HD74HC244
Octal Buffers/Line Drivers/Line Receivers
(with noninverted 3-state outputs)
Description
The HD74HC244 is a non-inverting buffer and has two active low enables (1
G
and 2
G
). Each enable
independently controls 4 buffers.
This device does not have schmitt trigger inputs.
Features
High Speed Operation: t
pd
= 11 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
Inputs
G
Output
A
Y
H
X
Z
L
H
H
L
Notes
L
L
H: high level
L: low level
X: irrelevant
Z: off (high-impedance) state of a 3-state output
相關PDF資料 |
PDF描述 |
|---|---|
| HD74HC245 | Octal Buffers And Line Drivers With 3-State Outputs 20-LCCC -55 to 125 |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HD74HC244FP | 制造商:Hitachi 功能描述:HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, SOIC-20 |
| HD74HC244FP(E) | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74HC244FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC244FPEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC244FPV-E | 制造商:Renesas Electronics Corporation 功能描述: |
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