PI74AVC164245AV datasheet(7/10 Pages) PERICOM

7 / 10 page

PS8425D

04/05/02

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PI74AVC164245

16-Bit 1.8-2.5V to 3.3V Level Shifting

Transceiver with 3-State Outputs

Output

Control

(low-level

enabling)

Output

Waveform 2

S1 at GND

(see note B)

tPZL

tPLZ

3.0V

2.5V

VOL

Output

Waveform 1

S1 at 6V

(see note B)

VOH

VOH –0.2V

VOL+0.2V

tPHZ

tPZH

1.5V

1.25V

From Output

Under Test

VIN

CL = 30pF

(see note A)

2 × VCC

GND

Open

500

Ω

500

Ω

Input

tPLH

tPHL

3.0V

1.5V

1.25V

1.5V

1.25V

VOH

VOL

Output

Parameter Measurement Information, VCCA = 2.5V ± 0.2V

Figure 2. Load Circuit and Voltage Waveforms

Load Circuit

Voltage Waveforms

Propagation Delay Times

Voltage Waveforms

Enable and Disable Times

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 pulses are supplied by generators having the following characteristics: PRR

≤10Mz, ZO = 50Ω, tR ≤2.5ns, tF ≤2.5ns.

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.

t D

t Z

/t L

t Z

/t H

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