IDT74FST163213 datasheet(5/6 Pages) IDT

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DT74FST163213

24-BIT BUS EXCHANGE SWITCH

COMMERCIAL TEMPERATURE RANGE

TEST CIRCUITS AND WAVEFORMS

TEST CIRCUITS FOR ALL OUTPUTS

SWITCH POSITION

SET-UP, HOLD AND RELEASE TIMES

PULSE WIDTH

Pulse

Generator

R T

D.U.T.

V CC

VIN

C L

VOUT

50pF

500

Ω

500

Ω

7.0V

1.5V

DATA

INPUT

TIMING

INPUT

ASYNCHRONOUS CONTROL

PRESET

CLEAR

ETC.

SYNCHRONOUS CONTROL

tSU

tREM

tSU

HIGH-LOW-HIGH

PULSE

LOW-HIGH-LOW

PULSE

1.5V

SAME PHASE

INPUT TRANSITION

1.5V

VOH

tPLH

OUTPUT

OPPOSITE PHASE

INPUT TRANSITION

1.5V

tPLH

tPHL

VOL

CONTROL

INPUT

1.5V

3.5V

OUTPUT

NORMALLY

LOW

OUTPUT

NORMALLY

HIGH

SWITCH

CLOSED

SWITCH

OPEN

VOL

0.3V

tPLZ

tPZL

tPZH

tPHZ

3.5V

1.5V

ENABLE

DISABLE

VOH

PRESET

CLEAR

CLOCK ENABLE

ETC.

PROPAGATION DELAY

ENABLE AND DISABLE TIMES

Test

Switch

Disable Low

Enable Low

Closed

All Other Tests

Open

Open Drain

DEFINITIONS:

CL=

Load capacitance: includes jig and probe capacitance.

= Termination resistance: should be equal to Z

OUT

of the Pulse

Generator.

3684 lnk 08

3684 drw 03

3684 drw 04

3684 drw 05

3684 drw 06

3684 drw 07

NOTES:

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

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