MC1489, MC1489A, SN55189, SN55189A, SN75189, SN75189A

QUADRUPLE LINE RECEIVERS

SLLS095D – SEPTEMBER 1973 – REVISED OCTOBER 1998

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

90%

50%

10%

tTHL

tTLH

tPLH

10%

50%

90%

VOL

VOH

0 V

4 V

≤10 ns

10%

50%

90%

tPHL

10%

50%

≤10 ns

VCC

Pulse

Generator

(see Note A)

(see Note B)

CL = 15 pF

See Note C

RL

Output

90%

Open

Control

Response

TEST CIRCUIT

VOLTAGE WAVEFORMS

Input

Output

NOTES: A. The pulse generator has the following characteristics: ZO = 50 Ω, tw = 500 ns.

B. CL includes probe and jig capacitances.

C. All diodes are 1N3064 or equivalent.

Figure 4. Test Circuit and Voltage Waveforms