參數(shù)資料
型號(hào): 74HC4518
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Dual synchronous BCD counter
中文描述: 雙同步BCD碼計(jì)數(shù)器
文件頁數(shù): 3/7頁
文件大?。?/td> 63K
代理商: 74HC4518
December 1990
3
Philips Semiconductors
Product specification
Dual synchronous BCD counter
74HC/HCT4518
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1, 9
2, 10
3, 4, 5, 6
7, 15
8
11, 12, 13, 14
16
1CP
0
, 2CP
0
1CP
1
, 2CP
1
1Q
0
to 1Q
3
1MR, 2MR
GND
2Q
0
to 2Q
3
V
CC
clock inputs (LOW-to-HIGH, edge-triggered)
clock inputs (HIGH-to-LOW, edge-triggered)
data outputs
asynchronous master reset inputs (active HIGH)
ground (0 V)
data outputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
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