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參數(shù)資料
| 型號(hào)： | 933670260652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 計(jì)數(shù)器 |
| 英文描述： | HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, PDIP16 |
| 封裝： | SOT-38-1, DIP-16 |
| 文件頁(yè)數(shù)： | 6/11頁(yè) |
| 文件大?。?/td> | 132K |
| 代理商： | 933670260652 |
December 1990
4
Philips Semiconductors
Product specication
Dual decade ripple counter
74HC/HCT390
Fig.4 Functional diagram.
BCD COUNT SEQUENCE
FOR 1/2 THE “390”
Notes
1. Output Q0 connected to nCP1
with counter input on nCP0.
H = HIGH voltage level
L = LOW voltage level
COUNT
OUTPUTS
Q0
Q1
Q2
Q3
0
LLLL
1
H
LLL
2L
H
L
3
HHL
L
4
LLH
L
5H
L
H
L
6
L
HHL
7
HHHL
8
LLLH
9
H
LLH
BI-QUINARY COUNT SEQUENCE
FOR 1/2 THE “390”
Note
1. Output Q3 connected to nCP0
with counter input on nCP1.
COUNT
OUTPUTS
Q0
Q1
Q2
Q3
0
LLLL
1L
H
L
2
LLH
L
3
L
HHL
4
LLLH
5
H
LLL
6
HHL
L
7H
L
H
L
8
HHHL
9
H
LLH
Fig.5 Logic diagram (one counter).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 9336CMG | 制造商:Apex Tool Group 功能描述:6 IN. DIAGONAL CUTTING S J PLIERS W/CO-MOLDED GRIPS, LASER HARDENED EDGES, CDD |
| 9336CVN | 制造商:Apex Tool Group 功能描述:6 IN. DIAGONAL CUTTING SOLID JOINT PLIERS, CUSHION GRIP, CARDED |
| 9336N | 制造商:Apex Tool Group 功能描述:6 IN. DIAGONAL CUTTING, GENERAL PURPOSE SOLID JOINT PLIERS |
| 9336-RED | 制造商: 功能描述: 制造商:undefined 功能描述: |
| 9336SCN | 制造商:Apex Tool Group 功能描述:6 IN. DIAGONAL CUTTING SOLID JOINT PLIERS, CUSHION GRIP |
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