74ABT544D Philips Semiconductors, 74ABT544D Datasheet - Page 8

• Manufacturer Part Number: 74ABT544D
• Description: Octal latched transceiver with dual enable/ inverting 3-State
• Manufacturer: Philips Semiconductors

Philips Semiconductors Advanced BiCMOS Products
TEST CIRCUIT AND WAVEFORM
June 1, 1993
Octal latched transceiver with dual enable,
inverting (3-State)
GENERATOR
DEFINITIONS
R
C
R
SWITCH POSITION
L
L
T
All other
PULSE
TEST
= Load resistor; see AC CHARACTERISTICS for value.
= Load capacitance includes jig and probe capacitance;
= Termination resistance should be equal to Z
t
t
PLZ
PZL
see AC CHARACTERISTICS for value.
pulse generators.
SWITCH
Test Circuit for 3-State Outputs
closed
closed
open
V
IN
R
T
D.U.T
V
CC
V
OUT
C
L
OUT
R
R
of
L
L
7.0V
8
FAMILY
74ABT
NEGATIVE
PULSE
POSITIVE
PULSE
90%
10%
Amplitude
3.0V
V
V
M
Input Pulse Definition
M
10%
90%
INPUT PULSE REQUIREMENTS
t
t
THL
TLH
V
Rep. Rate
(t
(t
M
F
R
1MHz
)
)
= 1.5V
t
t
W
W
10%
90%
500ns
t
V
W
V
M
M
74ABT544
Product specification
2.5ns
90%
10%
t
R
t
t
TLH
THL
2.5ns
(t
(t
0V
0V
AMP (V)
AMP (V)
R
F
t
)
F
)