74AHC273 Philips Semiconductors, 74AHC273 Datasheet - Page 13

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

Philips Semiconductors
1999 Sep 01
handbook, full pagewidth
Octal D-type flip-flop with reset;
positive-edge trigger
The shaded areas indicate when the input is permitted to change for predicable output performance.
AHC
AHCT
t
t
t
FAMILY
PLH
PLZ
PHZ
handbook, full pagewidth
/t
/t
/t
PZL
PHL
TEST
PZH
GND to V
GND to 3.0 V
REQUIREMENTS
V
I
open
V
GND
INPUT
Q n OUTPUT
CC
CP INPUT
D n INPUT
CC
S
1
Fig.8 The data set-up and hold times for the data input (D
GND
GND
V I
50% V
1.5 V
V I
GENERATOR
INPUT
Definitions for test circuit.
C
R
R
Fig.9 Load circuitry for switching times.
PULSE
V
L
L
T
= load capacitance including jig and probe capacitance (See Chapter “AC characteristics”).
= load resistance.
M
= termination resistance should be equal to the output impedance Z
CC
V M
50% V
50% V
(1)
OUTPUT
V I
V
V M
M
t su
CC
CC
(1)
R T
13
t h
D.U.T.
V CC
V M
V O
(1)
C L
MNA183
74AHC273; 74AHCT273
t su
1000
S 1
t h
MNA202
n
).
open
GND
V CC
o
of the pulse generator.
Product specification