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參數資料
| 型號： | HD74HCT240 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers/Line Drivers/Line Receivers(with inverted 3-state outputs) |
| 中文描述： | 八路緩沖器/線路驅動器/線接收器（帶倒三態輸出） |
| 文件頁數： | 1/9頁 |
| 文件大小： | 59K |
| 代理商： | HD74HCT240 |
HD74HCT240
Octal Buffers/Line Drivers/Line Receivers
(with inverted 3-state outputs)
Description
The HD74HCT240 is an 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
LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
High Speed Operation: t
pd
(A to Y) = 11 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: V
CC
= 4.5 to 5.5 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
L
L
H :
L
X :
Z
L
H
High level
Low level
Irrelevant
Off (high impedance) state of a 3-state output
:
:
相關PDF資料 |
PDF描述 |
|---|---|
| HD74HCT241 | Replaced by SN54ALS373A : Octal D-Type Transparent Latches with 3-state Outputs 20-LCCC -55 to 125 |
| HD74HCT242 | Quad. Bus Transceivers (with 3-state outputs) |
| HD74HCT243 | Quad. Bus Transceivers (with 3-state outputs) |
| HD74HCT245 | Octal D-Type Transparent Latches with 3-state Outputs 20-CDIP -55 to 125 |
| HD74HCT244 | Octal D-Type Transparent Latches with 3-state Outputs 20-LCCC -55 to 125 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HD74HCT240P | 制造商:HITACHI 功能描述: |
| HD74HCT244FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HCT244FPEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HCT373FP(E) | 制造商:Renesas Electronics 功能描述:Bulk |
| HD74HCT373-T | 制造商:Renesas Electronics Corporation 功能描述: |
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