PI74AVC16244 datasheet(7/11 Pages) PERICOM

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PI74AVC+16244

2.5V 16-Bit Buffer Driver

with 3-State Outputs

PS8507B

05/31/06

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PARAMETER MEASUREMENT INFORMATION

VCC = 1.8V ±0.15V

LoadCircuit

Voltage Waveforms

Propagation Delay Times

Voltage Waveforms

Enable and Disable Times

Voltage Waveforms

PulseDuration

t d

t Z

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.

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

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

• tPLZ and tPHZ are the same as tdis

• tPZL and tPZH are the same as ten

• tPLH and tPHL are the same as tpd

Figure 2. Load Circuit and Voltage Waveforms

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

+0.1V

–0.1V

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

Voltage Waveforms

Setup and Hold Times

0.15V

06-0164

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