參數資料
型號: 74HC4516D
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Binary up/down counter
中文描述: HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
文件頁數: 3/14頁
文件大?。?/td> 100K
代理商: 74HC4516D
December 1990
3
Philips Semiconductors
Product specification
Binary up/down counter
74HC/HCT4516
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1
4, 12, 13, 3
5
6, 11, 14, 2
7
8
9
10
15
16
PL
D
0
to D
3
CE
Q
0
to Q
3
GND
MR
UP/DN
CP
V
CC
parallel load input (active HIGH)
parallel inputs
count enable input (active LOW)
parallel outputs
terminal count output (active LOW)
ground (0 V)
asynchronous master reset input (active HIGH)
up/down control input
clock input (LOW-to-HIGH, edge-triggered)
positive supply voltage
Fig.1 Pin configuration.
Fig.2
Fig.3 IEC logic symbol.
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