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IDT74FST163214PA

12-BIT 3:1 MUX/DEMUX SWITCH

Integrated Device Technology 

IDT74FST163214

12-BIT 3:1 MUX/DEMUX SWITCH

COMMERCIAL TEMPERATURE RANGE

TEST CIRCUITS AND WAVEFORMS

TEST CIRCUITS FOR ALL OUTPUTS

V CC

VIN

Pulse

Generator

D.U.T.

RT

VOUT

50pF

CL

500Ω

500Ω

7.0V

SWITCH POSITION

Test

Switch

Open Drain

Disable Low

Closed

Enable Low

All Other Tests

Open

DEFINITIONS:

3209 lnk 08

CL= Load capacitance: includes jig and probe capacitance.

RT = Termination resistance: should be equal to ZOUT of the Pulse

Generator.

3209 lnk 03

SET-UP, HOLD AND RELEASE TIMES

PULSE WIDTH

DATA

INPUT

TIMING

tSU

tH

3V

1.5V

0V

3V

LOW-HIGH-LOW

PULSE

1.5V

INPUT

1.5V

ASYNCHRONOUS CONTROL

PRESET

tREM

0V

3V

tW

CLEAR

ETC.

1.5V

0V

HIGH-LOW-HIGH

PULSE

1.5V

SYNCHRONOUS CONTROL

PRESET

CLEAR

CLOCK ENABLE

tSU

tH

3V

1.5V

0V

3209 lnk 05

ETC.

3209 lnk 04

PROPAGATION DELAY

SAME PHASE

INPUT TRANSITION

tPLH

tPHL

OUTPUT

tPLH

tPHL

OPPOSITE PHASE

INPUT TRANSITION

ENABLE AND DISABLE TIMES

3V

1.5V

0V

VOH

1.5V

VOL

3V

1.5V

0V

3209 lnk 06

ENABLE

DISABLE

CONTROL

INPUT

OUTPUT

NORMALLY

LOW

tPZL

SWITCH

CLOSED

tPZH

OUTPUT

NORMALLY

HIGH

SWITCH

OPEN

3V

1.5V

0V

tPLZ

3.5V

3.5V

1.5V

tPHZ

0.3V VOL

1.5V

0.3V VOH

0V

0V

NOTES:

3209 lnk 07

1. Diagram shown for input Control Enable-LOW and input Control Disable-

HIGH

2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns

5

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