參數(shù)資料
型號(hào)： 933669460652
廠商： NXP SEMICONDUCTORS
元件分類： 計(jì)數(shù)器
英文描述： HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16
封裝： SOT-38-1, DIP-16
文件頁(yè)數(shù)： 5/10頁(yè)
文件大小： 102K
代理商： 933669460652
December 1990
4
Philips Semiconductors
Product specication
Presettable synchronous 4-bit binary
up/down counter
74HC/HCT191
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
3, 2, 6, 7
Q0 to Q3
ip-op outputs
4
CE
count enable input (active LOW)
5
U/D
up/down input
8
GND
ground (0 V)
11
PL
parallel load input (active LOW)
12
TC
terminal count output
13
RC
ripple clock output (active LOW)
14
CP
clock input (LOW-to-HIGH, edge triggered)
15, 1, 10, 9
D0 to D3
data inputs
16
VCC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
相關(guān)PDF資料
PDF描述
933715250653 HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDSO16
935189090112 HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDSO16
933714770653 HC/UH SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDSO16
935189370118 HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDSO16
933824680005 HC/UH SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, UUC
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