74abt377adb NXP Semiconductors, 74abt377adb Datasheet - Page 7

• Manufacturer Part Number: 74abt377adb
• Description: Octal D-type Flip-flop With Enable
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEST CIRCUIT AND WAVEFORM
1997 Feb 26
Octal D-type flip-flop with enable
GENERATOR
SWITCH POSITION
DEFINITIONS
R
C
R
T
L
L
PULSE
TEST
= Load resistor; see AC CHARACTERISTICS for value.
= Load capacitance includes jig and probe capacitance;
= Termination resistance should be equal to Z
All
see AC CHARACTERISTICS for value.
pulse generators.
SWITCH
Test Circuit for 3-State Outputs
open
V
IN
R
T
V
D.U.T.
CC
V
OUT
C
L
OUT
R
R
L
L
of
7.0V
7
FAMILY
74ABT
NEGATIVE
PULSE
POSITIVE
PULSE
90%
10%
Amplitude
3.0V
V
V
M
Input Pulse Definition
10%
90%
M
INPUT PULSE REQUIREMENTS
t
t
THL
TLH
V
Rep. Rate
(t
(t
F
R
M
1MHz
)
)
= 1.5V
t
t
W
W
10%
90%
500ns
t
W
V
V
M
M
74ABT377A
2.5ns
Product specification
t
90%
10%
R
t
t
TLH
THL
(t
(t
2.5ns
0V
0V
AMP (V)
AMP (V)
R
F
t
F
SA00057
)
)