SN75476 THRU SN75478

DUAL PERIPHERAL DRIVERS

SLRS025A – DECEMBER 1976 – REVISED NOVEMBER 1995

6

POST OFFICE BOX 655303

POST OFFICE BOX 1443

PARAMETER MEASUREMENT INFORMATION

2 mH

Input

2.4 V

Output

0.4 V

TEST CIRCUIT

S

SN75478

SN75476

SN75477

VS = 55 V

CL = 15 pF

(see Note B)

5 V

90%

90%

1.5 V

1.5 V

10%

10%

≤ 10 ns

≤ 5 ns

3 V

0 V

VOH

VOL

Output

VOLTAGE WAVEFORMS

10%

90%

Input

3 V

0 V

≤ 10 ns

≤ 5 ns

10%

1.5 V

90%

1.5 V

40

µs

SN75476

SN75478

SN75477

A

GND

Pulse

Generator

(see Note A)

Circuit

Under

Test

180

Ω

Input

NOTES: A. The pulse generator has the following characteristics: PRR = 12.5 kHz, ZO = 50 Ω.

B. CL includes probe and jig capacitance.

Figure 2. Latch-Up Test Circuit and Voltage Waveforms