SN75163B

OCTAL GENERALPURPOSE INTERFACE BUS TRANSCEIVER

SLLS006A − D2611, OCTOBER 1985 − REVISED FEBRUARY 1993

POST OFFICE BOX 655303

POST OFFICE BOX 1443

2−5

PARAMETER MEASUREMENT INFORMATION

VOLTAGE WAVEFORMS

TEST CIRCUIT

tPHL

1.0 V

1.5 V

2.2 V

1.5 V

D Input

tPLH

B Output

3 V

0 V

VOH

VOH

B

3 V

TE

(see Note B)

CL = 30 pF

480

Ω

200

Ω

5 V

Output

50

Ω

D

3 V

PE

Generator

(see Note A)

Figure 1. Terminal-to-Bus Test Circuit and Voltage Waveforms

VOLTAGE WAVEFORMS

TEST CIRCUIT

1.5 V

1.5 V

tPHL

1.5 V

1.5 V

B Input

tPLH

D Output

3 V

0 V

VOH

VOL

D

CL = 30 pF

(see Note B)

3 k

Ω

240

Ω

4.3 V

Output

TE

B

50

Ω

Generator

(see Note A)

Figure 2. Bus-to-Terminal Test Circuit and Voltage Waveforms

480

Ω

CL = 15 pF

(see Note B)

TEST CIRCUIT

VOLTAGE WAVEFORMS

VOL

3.5 V

0.8 V

VOH

0 V

3 V

tPHZ

tPLZ

0.5 V

90%

1.5 V

1.0 V

2 V

1.5 V

TE Input

S2 Closed

S1 to GND

B Output

tPZL

S2 Open

tPZH

S1 to 3 V

B Output

TE

S2

3 V

S1

B

200

Ω

5 V

Output

PE

D

50

Ω

Generator

(see Note A)

Figure 3. TE-to-Bus Test Circuit and Voltage Waveforms

NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR

≤ 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns,

ZO = 50 Ω.

B. CL includes probe and jig capacitance.