www.ti.com

PARAMETER MEASUREMENT INFORMATION

Output

(see Note C)

From

B or Y Output

Under Test

SLEW RATE A-TO-B OR A-TO-Y LOAD (TOTEM POLE)

VOLTAGE WAVEFORMS MEASURED AT TP1

SLEW RATE WAVEFORMS (B8−B1 AND Y13−Y9)

62

Ω

(see Note A)

TP1

(see Note A)

Sink Load

Source Load

62

Ω

A-TO-B LOAD OR A-TO-Y LOAD (OPEN DRAIN)

VOLTAGE WAVEFORMS MEASURED AT TP1, B SIDE

2.7 V

0 V

1.4 V

1.4 V

2 V

2 V

0.8 V

0.8 V

TP1

From

B or Y Output

(see Note A)

500

Ω

D. The outputs are measured one at a time, with one transition per measurement.

Input

(see Note C)

0 V

2.7 V

Input

(see Note B)

Output

(see Note B)

Output

(see Note B)

0.4 V

t

95% * 50%

t

f1

t

+

1.9 V – 0.4 V

t

r1

SN74LVCZ161284A

19-BIT IEEE STD 1284 TRANSLATION TRANSCEIVER

WITH ERROR-FREE POWER UP

SCES358B – SEPTEMBER 2001 – REVISED MAY 2005

Figure 2. Load Circuits and Voltage Waveforms

7