74FCT16952ATPAG(2018) Просмотр технического описания (PDF) - Integrated Device Technology

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74FCT16952ATPAG
(Rev.:2018)

ANSCEIVER FAST CMOS 16-BIT REGISTERED TRANSCEIVER

Integrated Device Technology 

IDT74FCT16952AT/CT/ET

FAST CMOS 16-BIT REGISTERED TRANSCEIVER

TEST CIRCUITS AND WAVEFORMS

INDUSTRIAL TEMPERATURE RANGE

V CC

VIN

Pulse

Generator

D.U.T.

RT

VOUT

50pF

CL

500Ω

500Ω

Test Circuits for All Outputs

7.0V

SWITCH POSITION

Test

Open Drain

Disable Low

Enable Low

All Other Tests

Switch

Closed

Open

DEFINITIONS:

CL = Load capacitance: includes jig and probe capacitance.

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

DATA

INPUT

TIMING

INPUT

tSU

tH

ASYNCHRONOUS CONTROL

PRESET

CLEAR

ETC.

SYNCHRONOUS CONTROL

PRESET

CLEAR

CLOCK ENABLE

tSU

ETC.

tREM

tH

Set-up, Hold, and Release Times

SAME PHASE

INPUT TRANSITION

tPLH

tPHL

OUTPUT

tPLH

tPHL

OPPOSITE PHASE

INPUT TRANSITION

Propagation Delay

3V

1.5V

0V

3V

1.5V

0V

3V

1.5V

0V

3V

1.5V

0V

LOW-HIGH-LOW

PULSE

HIGH-LOW-HIGH

PULSE

tW

Pulse Width

1.5V

1.5V

3V

1.5V

0V

VOH

1.5V

VOL

3V

1.5V

0V

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

0.3V VOH

1.5V

0V

0V

Enable and Disable Times

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.

6

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