PI74AVC datasheet(8/10 Pages) PERICOM

8 / 10 page

PS8507A

12/07/01

PI74AVC+16244

2.5V 16-Bit Buffer Driver

with 3-StateOutputs

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PARAMETERMEASUREMENTINFORMATION

VCC = 2.5V ±0.2V

LoadCircuit

VoltageWaveforms

PropagationDelayTimes

VoltageWaveforms

Enable and Disable Times

VoltageWaveforms

PulseDuration

t d

t Z

P t/ L

t Z

t/ H

Notes:

A. CL includes probe and jig capacitance.

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 impulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50Ω, tR ≤ 2.0ns, tF ≤ 2.0ns.

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

E. tPLZ and tPHZ are the same as tdis

F. tPZL and tPZH are the same as ten

G. tPLH and tPHL are the same as tpd

Figure3.LoadCircuitandVoltageWaveforms

Ω

2xVCC

Open

GND

From Output

Under Test

CL = 15pF

(See Note A)

tPZL

Output

Control

(Low Level

Enabling)

VCC/2

tPLZ

tPHZ

VOL

VCC

tPZH

+0.15V

–0.15V

Output

Waveform 1

S1 at 2 x VCC

(see Note B)

Output

Waveform 2

S1 at GND

(see Note B)

VOH

VOL

VCC

Input

tPLH

tPHL

Output

VOH

VOL

VCC/2

VCC

VCC/2

Input

VCC/2

VCC

VCC/2

Data

Input

tsu

VCC/2

VCC

VCC/2

VCC

Timing

Input

VCC/2

VoltageWaveforms

Setup and Hold Times

500Ω

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