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參數(shù)資料
| 型號(hào)： | 74F569SC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-Bit Bidirectional Counter with 3-STATE Outputs |
| 中文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁(yè)數(shù)： | 4/14頁(yè) |
| 文件大?。?/td> | 130K |
| 代理商： | 74F569SC |
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Philips Semiconductors
Product specification
74F569
4-bit bidirectional binary synchronous counter (3-State)
1996 Jan 05
4
CET
SF01059
TC
CP
CET
TC
CET
TC
CET
TC
CET
TC
COUNT
CP
TO ALL STAGES
Figure 1. Multistage Counter with Ripple Carry
CET
SF01061
TC
CP
CET
TC
CEP
CET
TC
CEP
CET
TC
CEP
CET
CEP
COUNT
CP
TO ALL STAGES
LOW
Figure 2. Multistage Counter with Look-Ahead Carry
STATE DIAGRAM
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
COUNT DOWN
COUNT UP
SF01058
CC FUNCTION TABLE
INPUTS
OUTPUT
SR
PE
CEP
CET
TC*
CP
CC
L
X
X
X
X
X
H
X
L
X
X
X
X
H
X
X
H
X
X
X
H
X
X
X
H
X
X
H
X
X
X
X
H
X
H
H
= TC is generated internally
H = High voltage level
L = Low voltage level
X = Don’t care
=
Low Pulse
H
L
L
L
*
FUNCTION TABLE
INPUTS
OPERATING MODE
MR
SR
PE
CEP
CET
U/D
CP
L
X
X
X
X
X
X
Asynchronous reset
h
l
X
X
X
X
↑
Synchronous reset
h
h
l
X
X
X
↑
Parallel load
h
h
h
l
l
h
↑
Count Up (increment)
h
h
h
l
l
l
↑
Count Down (decrement)
h
H
H
H
X
X
X
Hold (do nothing)
h
H
H
X
H
X
X
H = High voltage level
h = High voltage level one setup time prior to the Low-to-High clock transition
L = Low voltage level
l
= Low voltage level one setup time prior to the Low-to-High clock transition
X = Don’t care
↑
= Low-to-High clock transition
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| 74F569SJ | 4-Bit Bidirectional Counter with 3-STATE Outputs |
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| 74F574 | Octal transparent latch 3-State |
| 74F573 | Octal transparent latch 3-State |
| 74F573FCQB | Octal D-Type Latch with TRI-STATE Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F569SCX | 功能描述:計(jì)數(shù)器 IC 4-Bit Bidir Dec Ctr RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74F569SJ | 功能描述:計(jì)數(shù)器 IC 4-Bit Bidir Dec Ctr RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74F569SJX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
| 74F573 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal D-Type Latch with TRI-STATE Outputs |
| 74F573_WGH3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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