參數(shù)資料
型號(hào): 74HC4510PW
廠商: NXP SEMICONDUCTORS
元件分類: 計(jì)數(shù)器
英文描述: BCD up/down counter
中文描述: HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO16
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 102K
代理商: 74HC4510PW
December 1990
3
Philips Semiconductors
Product specication
BCD up/down counter
74HC/HCT4510
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1
PL
parallel load input (active HIGH)
4, 12, 13, 3
D0 to D3
parallel inputs
5
CE
count enable input (active LOW)
6, 11, 14, 2
Q0 to Q3
parallel outputs
7
TC
terminal count output (active LOW)
8
GND
ground (0 V)
9
MR
asynchronous master reset input (active HIGH)
10
UP/DN
up/down control input
15
CP
clock input (LOW-to-HIGH, edge-triggered)
16
VCC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
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