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74HC74N Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. 74HC74N
Description  Dual D-type flip-flop with set and reset; positive edge-trigger
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HC74N Datasheet(HTML) 3 Page - NXP Semiconductors

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74HC_HCT74
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 4 — 27 August 2012
3 of 21
NXP Semiconductors
74HC74; 74HCT74
Dual D-type flip-flop with set and reset; positive edge-trigger
5.
Pinning information
5.1 Pinning
5.2 Pin description
(1) This is not a supply pin. The substrate is attached to
this pad using conductive die attach material. There
is no electrical or mechanical requirement to solder
this pad. However, if it is soldered, the solder land
should remain floating or be connected to GND.
Fig 5.
Pin configuration for DIP14, SO14 and (T)SSOP14
Fig 6.
Pin configuration for DHVQFN14
+&
+&7
5'
9&&
'
5'
&3
'
6'
&3
4
6'
4
4
*1'
4
DDD














DDD
+&
+&7
7UDQVSDUHQW WRS YLHZ
4
4
4
6'
6'
&3
&3
'
'
5'
*1' 










WHUPLQDO
LQGH[DUHD
Table 2.
Pin description
Symbol
Pin
Description
1RD
1
asynchronous reset-direct input (active LOW)
1D
2
data input
1CP
3
clock input (LOW-to-HIGH, edge-triggered)
1SD
4
asynchronous set-direct input (active LOW)
1Q
5
output
1Q
6
complement output
GND
7
ground (0 V)
2Q
8
complement output
2Q
9
output
2SD
10
asynchronous set-direct input (active LOW)
2CP
11
clock input (LOW-to-HIGH, edge-triggered)
2D
12
data input
2RD
13
asynchronous reset-direct input (active LOW)
VCC
14
supply voltage


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