(see Note D)

0 V

S1 Open

S1 Closed

1.3 V

1.3 V

tPHZ

tPZH

0.5 V

See Note C

VCC

2 k

Ω

S1

5 k

Ω

1.5 V

CL = 15 pF

(see Note B)

Output

2 V

1.3 V

Input

Output

3 V

0 V

VOH

50

Ω

TEST CIRCUIT

VOLTAGE WAVEFORMS

Generator

(see Note A)

VOL

VOH

– 1.5V

1.5 V

Output

Input

1.3 V

1.3 V

tPHL

tPLH

0 V

0 V

2 V

(see Note A)

Generator

Output

(see Note B)

CL = 15 pF

50

Ω

TEST CIRCUIT

VOLTAGE WAVEFORMS

tt

tt

90%

10%

SN55LBC173-HIREL

www.ti.com

SGLS415A – OCTOBER 2013 – REVISED OCTOBER 2013

PARAMETER MEASUREMENT INFORMATION

A.

The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, duty cycle

≤ 50%,

B.

A.

The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, duty cycle

≤ 50%,

B.

C.

All diodes are 1N916 or equivalent.

D.

To test the active-low enable G, ground G and apply an inverted input waveform to G.

Copyright © 2013, Texas Instruments Incorporated

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