(see Note A)

TEST CIRCUIT

S1

2 ×

Open

GND

VOLTAGE WAVEFORMS

Data Out at

50 Ω

0

DUT

50 Ω

50 Ω

50 Ω

TEST

S1

1.5 V to 2 V

1.5 V to 2 V

Open

Open

200 Ω

200 Ω

V

or GND

DD

V

or GND

DD

10 pF

10 pF

Input Generator

Input Generator

Data Out at

Data In at

Ax or Ay

VOLTAGE WAVEFORMS

Output

Input

TS2PCIE412

www.ti.com

SCDS269C – MARCH 2009 – REVISED APRIL 2010

PARAMETER MEASUREMENT INFORMATION

(Skew)

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.

Figure 7. Test Circuit and Voltage Waveforms

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