參數(shù)資料
型號(hào): 74HC4510D
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): 7/12頁(yè)
文件大?。?/td> 102K
代理商: 74HC4510D
December 1990
4
Philips Semiconductors
Product specication
BCD up/down counter
74HC/HCT4510
Fig.4 Functional diagram.
FUNCTION TABLE
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
↑ = LOW-to-HIGH clock transition
MR
PL
UP/DN
CE
CP
MODE
L
H
L
X
L
H
X
H
L
X
X
parallel load
no change
count down
count up
reset
Fig.5 Timing diagram.
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