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74AHC74 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. 74AHC74
Description  Dual D-type flip-flop with set and reset; positive-edge trigger
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74AHC74 Datasheet(HTML) 3 Page - NXP Semiconductors

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1999 Sep 23
3
Philips Semiconductors
Product specification
Dual D-type flip-flop with set and reset;
positive-edge trigger
74AHC74; 74AHCT74
ORDERING INFORMATION
PINNING
OUTSIDE
NORTH
AMERICA
NORTH AMERICA
PACKAGE
TEMPERATURE
RANGE
PINS
PACKAGE
MATERIAL
CODE
74AHC74D
74AHC74D
−40 to +85 °C
14
SO
plastic
SOT108-1
74AHC74PW
74AHC74PW DH
14
TSSOP
plastic
SOT402-1
74AHCT74D
74AHCT74D
14
SO
plastic
SOT108-1
74AHCT74PW
74AHCT74PW DH
14
TSSOP
plastic
SOT402-1
PIN
SYMBOL
DESCRIPTION
1 and 13
1RD and 2RD
asynchronous reset-direct input (active LOW)
2 and 12
1D and 2D
data inputs
3 and 11
1CP and 2CP
clock input (LOW-to-HIGH, edge-triggered)
4 and 10
1SD and 2SD
asynchronous set-direct input (active LOW)
5 and 9
1Q and 2Q
true flip-flop outputs
6 and 8
1Q and 2Q
complement flip-flop outputs
7
GND
ground (0 V)
14
VCC
DC supply voltage
Fig.1 Pin configuration.
handbook, halfpage
MNA417
74
1
2
3
4
5
6
7
8
14
13
12
11
10
9
1RD
1D
1CP
1SD
1Q
1Q
GND
2Q
2Q
2SD
2CP
2D
2RD
VCC
Fig.2 Logic diagram.
MNA418
handbook, halfpage
RD
FF
SD
410
Q
1Q
2Q
1Q
2Q
5
9
2
12
3
11
6
8
Q
1SD
CP
2CP
1CP
2D
1D
D
2SD
113
1RD 2RD


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