Datasheet

SN55451B, SN55452B, SN55453B, SN55454B
SN75451B, SN75452B, SN75453B, SN75454B
DUAL PERIPHERAL DRIVERS
SLRS021B – DECEMBER 1976 – REVISED SEPTEMBER 1999
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
GND
Pulse
Generator
(see Note A)
2.4 VInput
SUB
Circuit
Under
Test
10% 10%
90%90%
1.5 V1.5 V
≤ 5 ns
90% 90%
10%10%
1.5 V1.5 V
0.5 µs
10% 10%
90%90%
50% 50%
t
PHL
t
PLH
t
THL
3 V
0 V
3 V
0 V
V
OH
V
O
L
Output
Input
TEST CIRCUIT
VOLTAGE WAVEFORMS
’451B
’452B
’453B
’454B
0.4 V
C
L
= 15 pF
(see Note B)
Output
10 V
R
L
= 50 Ω
≤ 10 ns
≤ 5 ns ≤ 10 ns
t
TLH
’451B
’453B
Input
’452B
’454B
NOTES: A. The pulse generator has the following characteristics: PRR ≤ 1 MHz, Z
O
= 50 Ω.
B. C
L
includes probe and jig capacitance.
Figure 1. Test Circuit and Voltage Waveforms, Complete Drivers
GND
2.4 VInput
SUB
90%90%
1.5 V1.5 V
≤ 5 ns
90% 90%
10%10%
1.5 V1.5 V
40 µs
10% 10%
3 V
0 V
3 V
0 V
V
OH
Output
Input
TEST CIRCUIT VOLTAGE WAVEFORMS
’451B
’452B
’453B
’454B
0.4 V
Output
V
S
= 20 V
≤ 10 ns
≤ 5 ns ≤ 10 ns
’451B
’453B
Input
’452B
’454B
65 Ω
2 mH
1N3064
5 V
V
O
L
Pulse
Generator
(see Note A)
Circuit
Under
Test
C
L
= 15 pF
(see Note B)
NOTES: A. The pulse generator has the following characteristics: PRR ≤ 12.5 kHz, Z
O
= 50 Ω.
B. C
L
includes probe and jig capacitance.
Figure 2. Test Circuit and Voltage Waveforms for Latch-Up Test of Complete Drivers