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參數資料
| 型號： | HD74HCT373 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal D-Type Transparent Latches with 3-state Outputs 20-CFP -55 to 125 |
| 中文描述： | 八路D型透明鎖存器（帶倒三態輸出） |
| 文件頁數： | 1/10頁 |
| 文件大?。?/td> | 62K |
| 代理商： | HD74HCT373 |
HD74HCT373/HD74HCT533
Octal D-type Transparent Latches (with 3-state outputs)/
Octal D-type Transparent Latches (with inverted 3-state outputs)
Description
When the latch enable input is high, the Q outputs of HD74HCT373 will follow the D inputs and the Q
outputs of HD74HCT533 will follow the inversion of the D inputs. When the latch enable goes low, data at
the D inputs will be retained at the outputs until latch enable returns high again. When a high logic level is
applied to the output control input, all outputs go to a high impedance state, regardless of what signals
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
(Data to Q) = 14 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
Enable
G
D
HD74HCT373
Q
HD74HCT533
Q
L
H
H
H
L
L
H
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PDF資料 |
PDF描述 |
|---|---|
| HD74HCT533 | Octal D-Type Transparent Latches with 3-state Outputs 20-CDIP -55 to 125 |
| HD74HCT374 | Octal D-Type Transparent Latches with 3-state Outputs 20-LCCC -55 to 125 |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HD74HCT373FP(E) | 制造商:Renesas Electronics 功能描述:Bulk |
| HD74HCT373-T | 制造商:Renesas Electronics Corporation 功能描述: |
| 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 |
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