74AHC273 Philips Semiconductors, 74AHC273 Datasheet - Page 3

• Manufacturer Part Number: 74AHC273
• Description: Octal D-type flip-flop with reset; positive-edge trigger
• Manufacturer: Philips Semiconductors

Philips Semiconductors
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
ORDERING INFORMATION
PINNING
1999 Sep 01
reset (clear)
load ‘1’
load ‘0’
74AHC273D
74AHC273PW
74AHCT273D
74AHCT273PW
1
2, 5, 6, 9, 12, 15, 16 and 19 Q
3, 4, 7, 8, 13, 14, 17 and 18 D
10
11
20
Octal D-type flip-flop with reset;
positive-edge trigger
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition;
X = don’t care;
OUTSIDE NORTH
= LOW-to-HIGH transition.
OPERATING MODES
AMERICA
PIN
74AHC273D
74AHC273PW DH
74AHCT273D
7AHCT273PW DH
MR
GND
CP
V
CC
0
0
to D
to Q
NORTH AMERICA
7
7
SYMBOL
MR
H
H
L
3
master reset input (active LOW)
flip-flop outputs
data inputs
ground (0 V)
clock input (LOW-to-HIGH; edge-triggered)
DC supply voltage
PINS
INPUTS
20
20
20
20
CP
X
PACKAGE
TSSOP
TSSOP
74AHC273; 74AHCT273
SO
SO
DESCRIPTION
PACKAGES
D
X
h
l
n
MATERIAL
plastic
plastic
plastic
plastic
Product specification
OUTPUTS
SOT163-1
SOT360-1
SOT163-1
SOT360-1
Q
CODE
L
L
L
n