SN75471 THRU SN75473

DUAL PERIPHERAL DRIVERS

SLRS024 – DECEMBER 1976 – REVISED MAY 1990

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

’471

GND

Pulse

Generator

(see Note A)

2.4 V

Input

SUB

Circuit

Under

Test

10%

10%

90%

90%

≤ 5 ns

90%

90%

10%

10%

0.5

µs

10%

10%

90%

90%

50%

50%

tPHL

tPLH

tTHL

3 V

0 V

3 V

0 V

VOH

VOL

Output

Input

TEST CIRCUIT

VOLTAGE WAVEFORMS

’471

’472

’473

0.4 V

CL = 15 pF

(see Note B)

Output

10 V

RL = 50 Ω

≤ 10 ns

≤ 5 ns

≤ 10 ns

tTLH

’473

Input

’472

50%

50%

50%

50%

NOTES: A. The pulse generator has the following characteristics: PRR

≤ 1 MHz, ZO ≈ 50 Ω.

B. CL includes probe and jig capacitance.

Figure 1. Switching Times

’471

GND

2.4 V

Input

SUB

Circuit

Under

Test

90%

90%

≤ 5 ns

90%

90%

10%

10%

40

µs

10%

10%

3 V

0 V

3 V

0 V

VOH

Output

Input

TEST CIRCUIT

VOLTAGE WAVEFORMS

’471

’472

’473

0.4 V

CL = 15 pF

(see Note B)

Output

VS = 55 V

≤ 10 ns

≤ 5 ns

≤ 10 ns

’473

Input

’472

180

Ω

2 mH

1N3064

5 V

VOL

50%

50%

50%

50%

Pulse

Generator

(see Note A)

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