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74AHCT574D Datasheet(PDF) 4 Page - Nexperia B.V. All rights reserved

Part # 74AHCT574D
Description  Octal D-type flip-flop; positive edge-trigger; 3-state
PDF  18 Pages
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Manufacturer  NEXPERIA [Nexperia B.V. All rights reserved]
Direct Link  https://www.nexperia.com/
Logo NEXPERIA - Nexperia B.V. All rights reserved

74AHCT574D Datasheet(HTML) 4 Page - Nexperia B.V. All rights reserved

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74AHC_AHCT574_2
Product data sheet
Rev. 02 — 24 January 2008
4 of 18
Nexperia
74AHC574; 74AHCT574
Octal D-type flip-flop; positive edge-trigger; 3-state
5.
Pinning information
5.1 Pinning
5.2 Pin description
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as a
supply pin or input.
Fig 5.
Pin configuration SO20, TSSOP20
Fig 6.
Pin configuration DHVQFN20
74AHC574
74AHCT574
OE
VCC
D0
Q0
D1
Q1
D2
Q2
D3
Q3
D4
Q4
D5
Q5
D6
Q6
D7
Q7
GND
CP
001aah037
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
001aah666
74AHC574
74AHCT574
Transparent top view
Q7
D6
D7
Q6
D5
Q5
D4
Q4
D3
Q3
D2
Q2
GND(1)
D1
Q1
D0
Q0
9
12
8
13
7
14
6
15
5
16
4
17
3
18
2
19
terminal 1
index area
Table 2.
Pin description
Symbol
Pin
Description
OE
1
3-state output enable input (active LOW)
D[0:7]
2, 3, 4, 5, 6, 7, 8, 9
data input
GND
10
ground (0 V)
CP
11
clock input (LOW-to-HIGH, edge triggered)
Q[0:7]
19, 18, 17, 16, 15, 14, 13, 12 3-state flip-flop output
VCC
20
supply voltage
© Nexperia B.V. 2017. All rights reserved



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