74AHC574 NXP Semiconductors, 74AHC574 Datasheet - Page 4

• Manufacturer Part Number: 74AHC574
• Description: Octal D-type ?ip-?op; Positive Edge-trigger; 3-state
• Manufacturer: NXP Semiconductors

NXP Semiconductors
5. Pinning information
Table 2.
74AHC_AHCT574_2
Product data sheet
Symbol
OE
D[0:7]
GND
CP
Q[0:7]
V
Fig 5.
CC
Pin configuration SO20, TSSOP20
Pin description
GND
OE
Pin
1
2, 3, 4, 5, 6, 7, 8, 9
10
11
19, 18, 17, 16, 15, 14, 13, 12 3-state flip-flop output
20
D0
D1
D2
D3
D4
D5
D6
D7
10
1
2
3
4
5
6
7
8
9
5.1 Pinning
5.2 Pin description
74AHCT574
74AHC574
001aah037
20
19
18
17
16
15
14
13
12
11
Description
3-state output enable input (active LOW)
data input
ground (0 V)
clock input (LOW-to-HIGH, edge triggered)
supply voltage
V
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
CP
CC
Rev. 02 — 24 January 2008
Octal D-type flip-flop; positive edge-trigger; 3-state
Fig 6.
74AHC574; 74AHCT574
(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.
Pin configuration DHVQFN20
index area
terminal 1
D0
D1
D2
D3
D4
D5
D6
D7
Transparent top view
2
3
4
5
6
7
8
9
74AHCT574
74AHC574
GND
(1)
19
18
17
16
15
14
13
12
001aah666
© NXP B.V. 2008. All rights reserved.
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
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