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參數(shù)資料
| 型號： | 74F573DC |
| 英文描述： | 8-Bit D-Type Latch |
| 中文描述： | 8位D型鎖存器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 81K |
| 代理商： | 74F573DC |
www.fairchildsemi.com
2
7
Unit Loading/Fan Out
Function Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW to HIGH Clock Transition
Not LL = CS and PE should never both be LOW voltage level at the same time.
Pin Names
Description
U.L.
Input I
IH
/I
IL
Output I
OH
/I
OL
70
μ
A/
0.2 mA
3 mA/24 mA
5
μ
A/
0.2 mA
5
μ
A/
0.2 mA
5
μ
A/
0.2 mA
5
μ
A/
0.2 mA
5
μ
A/
0.2 mA
5
μ
A/
0.2 mA
5
μ
A/
0.2 mA
5
μ
A/
0.2 mA
5
μ
A/
0.2 mA
1 mA/5 mA
HIGH/LOW
3.5/0.333
75/15
0.25/0.333
0.25/0.333
0.25/0.333
0.25/0.333
0.25/0.333
0.25/0.333
0.25/0.333
0.25/0.333
0.25/0.333
25/12.5
I/O
0
–
I/O
7
Data Inputs or
3-STATE Outputs
Parallel Enable Input (Active LOW)
Up-Down Count Control Input
Master Reset Input (Active LOW)
Synchronous Reset Input (Active LOW)
Count Enable Parallel Input (Active LOW)
Count Enable Trickle Input (Active LOW)
Chip Select Input Active (Active LOW)
Output Enable Input (Active LOW)
Clock Pulse Input (Active Rising Edge)
Terminal Count Output (Active LOW)
PE
U/D
MR
SR
CEP
CET
CS
OE
CP
TC
MR
SR
CS
PE
CEP CET U/D
OE
CP
Function
X
X
X
L
H
H
H
H
H
H
X
X
X
X
L
H
H
H
H
H
H
L
L
X
X
L
(Not LL)
(Not LL)
(Not LL)
(Not LL)
X
H
H
X
X
L
X
X
X
X
X
X
H
X
L
L
X
X
X
X
X
X
X
H
L
L
X
X
X
X
X
X
X
X
H
L
X
H
L
X
X
X
X
X
X
X
X
X
X
X
I/O
a
to I/O
h
in High Z (PE Disabled)
I/O
a
to I/O
h
in High Z
Flip-Flop Outputs Appear on I/O Lines
Asynchronous Reset for all Flip-Flops
Synchronous Reset for all Flip-Flops
Parallel Load all Flip-Flops
Hold
Hold (TC Held HIGH)
Count Up
Count Down
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F573QC | 8-Bit D-Type Latch |
| 74F573SJX | 8-Bit D-Type Latch |
| 74F574SCX | Octal D-Type Flip-Flop |
| 74F574SJX | Octal D-Type Flip-Flop |
| 74F579 | 8-bit bidirectional binary counter 3-State |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F573DCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal D-Type Latch with TRI-STATE Outputs |
| 74F573DCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal D-Type Latch with TRI-STATE Outputs |
| 74F573DMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal D-Type Latch with TRI-STATE Outputs |
| 74F573DMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal D-Type Latch with TRI-STATE Outputs |
| 74F573FCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal D-Type Latch with TRI-STATE Outputs |
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