SN55451B, SN55452B, SN55453B, SN55454B
SN75451B, SN75452B, SN75453B, SN75454B
DUAL PERIPHERAL DRIVERS
SLRS021B – DECEMBER 1976 – REVISED SEPTEMBER 1999
PARAMETER MEASUREMENT INFORMATION
≤
5 ns
Input
2.4 V
’451B
’452B
Pulse
Generator
(see Note A)
RL = 50
Ω
Output
≤
5 ns
Circuit
Under
Test
CL = 15 pF
(see Note B)
Input
’452B
’454B
10%
tPHL
90%
Output
50%
10%
tTHL
VOLTAGE WAVEFORMS
NOTES: A. The pulse generator has the following characteristics: PRR
≤
1 MHz, ZO = 50
Ω.
B. CL includes probe and jig capacitance.
50%
10%
VOL
tTLH
90%
1.5 V
10 V
Input
’451B
’453B
90%
1.5 V
10%
10%
0.5
µs
90%
1.5 V
10%
tPLH
90%
VOH
0V
≤
10 ns
3V
≤
10 ns
90%
1.5 V
0V
3V
’453B
’454B
0.4 V
GND
SUB
TEST CIRCUIT
Figure 1. Test Circuit and Voltage Waveforms, Complete Drivers
VS = 20 V
2 mH
65
Ω
Output
Circuit
Under
Test
Input
’452B
’454B
CL = 15 pF
(see Note B)
SUB
Output
VOL
VOLTAGE WAVEFORMS
10%
≤
5 ns
90%
Input
2.4 V
’451B
’452B
Pulse
Generator
(see Note A)
5V
1N3064
Input
’451B
’453B
1.5 V
10%
10%
≤
10 ns
40
µs
≤
5 ns
90%
1.5 V
90%
1.5 V
10%
0V
VOH
’453B
’454B
0.4 V
TEST CIRCUIT
NOTES: A. The pulse generator has the following characteristics: PRR
≤
12.5 kHz, ZO = 50
Ω.
B. CL includes probe and jig capacitance.
GND
≤
10 ns
90%
1.5 V
0V
3V
3V
Figure 2. Test Circuit and Voltage Waveforms for Latch-Up Test of Complete Drivers
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•
DALLAS, TEXAS 75265
7
TI [ TEXAS INSTRUMENTS ]
