(see Note A)

TEST CIRCUIT

S1

Open

GND

50 Ω

DUT

50 Ω

50 Ω

50 Ω

TEST

S1

1.5 V to 2 V

200 Ω

GND

10 pF

0.15 V

Input Generator

Input Generator

1.5 V to 2 V

GND

200 Ω

10 pF

0.15 V

VOLTAGE WAVEFORMS

ENABLE AND DISABLE TIMES

Output Control

V

/2

DD

0 V

Output

Waveform 2

S1 at GND

(see Note B)

Output

Waveform 1

(see Note B)

TS2PCIE412

SCDS269C – MARCH 2009 – REVISED APRIL 2010

www.ti.com

PARAMETER MEASUREMENT INFORMATION

(Enable and Disable Times)

A.

B.

Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output

control. Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the

output control.

C.

All input pulses are supplied by generators having the following characteristics: PRR

D.

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

E.

F.

Figure 6. Test Circuit and Voltage Waveforms

8

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