74AHCT574 PHILIPS [NXP Semiconductors], 74AHCT574 Datasheet - Page 3

• Manufacturer Part Number: 74AHCT574
• Description: Octal D-type flip-flop; positive edge-trigger; 3-state
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
ORDERING INFORMATION
PINNING
1999 Jun 16
Load and read register
Load register and disable outputs
74AHC574D
74AHC574PW
74AHCT574D
74AHCT574PW
1
2, 3, 4, 5, 6, 7, 8 and 9
10
11
19, 18, 17, 16, 15, 14, 13 and 12
20
OUTSIDE NORTH
Octal D-type flip-flop; positive edge-trigger; 3-state
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition;
Z = high-impedance OFF-state;
= LOW-to-HIGH CP transition.
AMERICA
OPERATING MODES
PIN
74AHC574D
74AHC574PW DH
74AHCT574D
74AHCT574PW DH
NORTH AMERICA
OE
D
GND
CP
Q
V
CC
0
0
to D
to Q
SYMBOL
OE
H
H
L
L
PINS
20
20
20
20
7
7
3
INPUTS
CP
3-state output enable input (active LOW)
data inputs
ground (0 V)
clock input (LOW-to-HIGH, edge triggered)
3-state flip-flop outputs
DC supply voltage
PACKAGE
TSSOP
TSSOP
SO
SO
D
h
h
I
l
PACKAGES
n
DESCRIPTION
FLIP-FLOPS
INTERNAL
MATERIAL
plastic
plastic
plastic
plastic
H
H
L
L
74AHCT574
Product specification
74AHC574;
OUTPUTS
SOT163-1
SOT360-1
SOT163-1
SOT360-1
Q
CODE
0
to Q
H
L
Z
Z
7