74F3038 Philips, 74F3038 Datasheet - Page 5

• Manufacturer Part Number: 74F3038
• Description: Quad 2-input NAND 30 ohm line driver open collector
• Manufacturer: Philips

Philips Semiconductors
TYPICAL PROPAGATION DELAYS VERSUS LOAD FOR OPEN COLLECTOR OUTPUTS
TEST CIRCUIT AND WAVEFORMS
1998 May 21
Quad 2-input NAND 30 line driver (open collector)
DEFINITIONS:
R
C
R
GENERATOR
T
L
L
NOTE:
When using Open-Collector parts, the value of the pull-up resistor greatly affects the value of the t
specified pull-up resistor value from 500 to 100 will improve the t
if the value of the pull-up resistor is changed, the user must make certain that the total I
I
IL
s of the receivers does not exceed the I
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
9
8
7
6
5
4
3
2
1
0
0
V
OUT
C
L
100
OL
7.0V
maximum specification.
R
R
L
L
OUT
of
200
NEGATIVE
PULSE
POSITIVE
PULSE
LOAD RESISTOR ( )
5
family
74F
300
PLH
90%
10%
up to 50% with only a slight increase in the t
amplitude
3.0V
V
INPUT PULSE REQUIREMENTS
V
400
M
90%
M
10%
t
t
TLH (
THL (
Input Pulse Definition
1.5V
V
OL
M
t
current through the resistor and the total
t
r
f
)
)
rep. rate
1MHz
500
t
t
w
w
t
t
PLH
PLH
PHL
t
. For example, changing the
t
TLH (
THL (
500ns
t
t
r
f
t
10%
90%
)
)
w
600
V
V
M
M
2.5ns
t
TLH
PHL
Product specification
90%
10%
74F3038
. However,
SF01361
2.5ns
t
THL
AMP (V)
0V
0V
AMP (V)
SF00027