參數(shù)資料
型號(hào): HD74HC668
廠商: Hitachi,Ltd.
元件分類: 通用總線功能
英文描述: Synchronous UP/Down Decade,4-bit binary Counter
中文描述: 同步向上/向下十年,4 -位二進(jìn)制計(jì)數(shù)器
文件頁(yè)數(shù): 7/14頁(yè)
文件大小: 84K
代理商: HD74HC668
HD74HC668/HD74HC669
7
HD74HC669
13
14
15
0
1
2
2
2
1
0
15
14
13
Load
A
B
C
D
Data
inputs
Clock
Q
A
Q
B
Q
C
Q
D
Load
Count up
Inhibit
Count down
Ripple
carry
output
P
and
T
U/
D
相關(guān)PDF資料
PDF描述
HD74HC669 Synchronous UP/Down Decade,4-bit binary Counter
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