74F38 Philips, 74F38 Datasheet - Page 5

• Manufacturer Part Number: 74F38
• Description: Quad 2-input NAND buffer open collector
• Manufacturer: Philips

Philips Semiconductors
TEST CIRCUIT AND WAVEFORM
October 4, 1990
Quad 2-input NAND buffer (open collector)
DEFINITIONS:
R
C
R
GENERATOR
T
L
L
PULSE
= Load resistor;
= Load capacitance includes jig and probe capacitance;
= Termination resistance should be equal to Z
Test Circuit for Open Collector Outputs
see AC electrical characteristics for value.
see AC electrical characteristics for value.
pulse generators.
V
IN
R
T
D.U.T.
V
CC
V
OUT
C
L
7.0V
R
R
L
L
OUT
of
NEGATIVE
PULSE
POSITIVE
PULSE
5
family
74F
90%
10%
amplitude
3.0V
V
INPUT PULSE REQUIREMENTS
V
M
90%
M
10%
t
t
TLH (
THL (
Input Pulse Definition
1.5V
V
M
t
t
r
f
)
)
rep. rate
1MHz
t
t
w
w
t
t
TLH (
THL (
500ns
t
t
r
f
t
10%
90%
)
)
w
V
V
M
M
2.5ns
t
TLH
Product specification
90%
10%
2.5ns
t
74F38
THL
AMP (V)
0V
0V
AMP (V)
SF00027