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74HC193 Datasheet(PDF) 4 Page - NXP Semiconductors

Part # 74HC193
Description  Presettable synchronous 4-bit binary up/down counter
PDF  13 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC193 Datasheet(HTML) 4 Page - NXP Semiconductors

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December 1990
4
Philips Semiconductors
Product specification
Presettable synchronous 4-bit binary
up/down counter
74HC/HCT193
PIN DESCRIPTION
Note
1. LOW-to-HIGH, edge triggered
PIN NO.
SYMBOL
NAME AND FUNCTION
3, 2, 6, 7
Q0 to Q3
flip-flop outputs
4CPD
count down clock input(1)
5CPU
count up clock input(1)
8
GND
ground (0 V)
11
PL
asynchronous parallel load input (active LOW)
12
TCU
terminal count up (carry) output (active LOW)
13
TCD
terminal count down (borrow) output (active LOW)
14
MR
asynchronous master reset input (active HIGH)
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.



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