參數(shù)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(qū)動器/線接收器(noninverted三態(tài)輸出)
文件頁數(shù): 1/10頁
文件大?。?/td> 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(guān)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
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