P4C168-35FSM datasheet(7/15 Pages) PYRAMID

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P4C168, P4C169, P4C170

Page 7 of 15

Document # SRAM107 REV A

* including scope and test fixture.

Note:

Because of the ultra-high speed of the P4C168, P4C169 AND P4C170

care must be taken when testing these devices; an inadequate setup

can cause a normal functioning part to be rejected as faulty. Long high-

inductance leads that cause supply bounce must be avoided by bringing

the V

CC and ground planes directly up to the contactor fingers. A high

frequency capacitor of 0.01 µF is also required between V

CC and ground.

Figure 1. Output Load

Figure 2. Thevenin Equivalent

Input Pulse Levels

GND to 3.0V

Input Rise and Fall Times

3ns

Input Timing Reference Level

1.5V

Output Timing Reference Level

1.5V

Output Load

See Figures 1 and 2

AC TEST CONDITIONS

To avoid signal reflections, proper termination must be used; for

example, a 50

Ω test environment should be terminated into a 50Ω load

with 1.73V (Thevenin Voltage) at the comparator input, and a 116

Ω

resistor must be used in series with D

OUT to match 166Ω (Thevenin

Resistance).

LCC PIN CONFIGURATION

LCC (L9)

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