SN75LBC976

9CHANNEL DIFFERENTIAL TRANSCEIVER

SLLS133D − AUGUST 1992 − REVISED MAY 1995

2−7

POST OFFICE BOX 655303

POST OFFICE BOX 1443

PARAMETER MEASUREMENT INFORMATION

Vtest

RL = 75 Ω

Vtest

VOD

B+

B−

A

0 V or 3 V

CDE0 at 5 V,

DE/RE at 5 V,

BSR at 0 V,

Others Open

R1 = 165

Ω

R2 = 165

Ω

CDE0 at 5 V,

DE/RE at 5 V,

BSR at 0 V

Others Open

(see Note A)

A

B+

B−

VOD

VIH

or

VIL

−IIH

or

−IIL

−IOH,

−IOL,

−IOS,

or

−IOZ

VO,

VOH,

or

VOL

NOTE A: For the IOZ test, the BSR input is at 5 V and all others are at 0 V.

Figure 3. Driver Test Circuit and Input Conditions