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參數(shù)資料
| 型號(hào)： | HD74HCT374 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal D-Type Transparent Latches with 3-state Outputs 20-LCCC -55 to 125 |
| 中文描述： | 八路D型觸發(fā)器（帶倒三態(tài)輸出） |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 63K |
| 代理商： | HD74HCT374 |
HD74HCT374/HD74HCT534
Octal D-type Flip-Flops (with 3-state outputs)/
Octal D-type Flip-Flops (with inverted 3-state outputs)
Description
These device are positive edge triggered flip-flops. The difference between HD74HCT374 and
HD74HCT534 is only that the former is a true outputs and the latter is a false outputs. Data at the D inputs,
meeting the setup and hold time requirements, are transferred to the Q outputs on positive going transitions
of the clock (CK) input. When a high logic level is applied to the output control (OC) input, all outputs go
to a high impedance state, regardless of what signals are present at the other inputs and the state of the
storage elements.
Features
LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
High Speed Operation: t
pd
(Clock to Q) = 15 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
Output Control
Clock
D
HD74HCT374
Q
HD74HCT534
Q
L
H
H
L
L
L
L
H
L
L
X
No change
No change
H
X :
Z
X
X
Z
Z
Irrelevant
Off (high-impedance) state of a 3-state output.
:
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD74HCT534 | Octal D-Type Transparent Latches with 3-state Outputs 20-LCCC -55 to 125 |
| HD74HCT449 | Octal D-Type Transparent Latches with 3-state Outputs 20-CDIP -55 to 125 |
| HD74HCT540 | Octal D-Type Transparent Latches with 3-state Outputs 20-CDIP -55 to 125 |
| HD74HCT541 | Octal D-Type Transparent Latches with 3-state Outputs 20-CFP -55 to 125 |
| HD74HCT563 | Octal Transparent Latches (with 3-state outputs) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74HCT374FP(E) | 制造商:Renesas Electronics 功能描述:Bulk |
| HD74HCT374P(E) | 制造商:Renesas Electronics 功能描述:74HCT Bulk |
| HD74HCT374T(ELL-E) | 制造商:Renesas Electronics 功能描述:74HCT Octal D-Type Flip-Flop(3-State) Cut Tape |
| HD74HCT534P | 制造商:Renesas Electronics Corporation 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 20-Pin PDIP |
| HD74HCT541T(ELL-E) | 制造商:Renesas Electronics 功能描述:74HCT Octal Bus Buffer(3-State) Cut Tape |
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