SN75476 THRU SN75478

DUAL PERIPHERAL DRIVERS

SLRS025A – DECEMBER 1976 – REVISED NOVEMBER 1995

5

POST OFFICE BOX 655303

POST OFFICE BOX 1443

PARAMETER MEASUREMENT INFORMATION

30 V

2.4 V

0.4 V

TEST CIRCUIT

A/S

S/A

SN75478

SN75476

SN75477

RL = 100 Ω

CL = 15 pF

(see Note B)

VCC

2.7 V

2.7 V

1.5 V

1.5 V

0.7 V

0.7 V

50%

50%

tPHL

≤ 10 ns

≤ 5 ns

3 V

0 V

VOH

VOL

Output

VOLTAGE WAVEFORMS

0.7 V

2.7 V

Input

tPLH

10%

10%

90%

90%

tTHL

tTLH

3 V

0 V

≤ 10 ns

≤ 5 ns

0.7 V

1.5 V

2.7 V

1.5 V

5

µs

SN75446

SN75448

SN75447

Pulse

Generator

(see Note A)

Input

Circuit

Under

Test

Output

Open

Input

NOTES: A. The pulse generator has the following characteristics: PRR = 100 kHz, ZO = 50 Ω.

B. CL includes probe and jig capacitance.

Figure 1. Test Circuit and Voltage Waveforms, Switching Characteristics