VT16543ADGG datasheet(8/12 Pages) PHILIPS

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Philips Semiconductors

Product specification

74LVT16543A

3.3V 16-bit registered transceiver (3-State)

1998 Feb 19

nAx,

nBx

nLEAB, nLEBA,

nEAB, nEBA

ts(H)

th(H)

ts(L)

th(L)

tw(L)

2.7V

NOTE: The shaded areas indicate when the input is permitted

to change for predictable output performance.

SW00154

Waveform 3. Data Setup and Hold Times and Latch Enable

Pulse Width

nOEAB, nOEBA,

nEAB, nEBA

tPZH

tPHZ

nAx, nBx

2.7V

SW00155

Waveform 4. 3-State Output Enable Time to High Level and

Output Disable Time from High Level

tPZL

tPLZ

nOEAB, nOEBA,

nEAB, nEBA

nAx, nBx

2.7V

3.0V

VOL

SW00156

Waveform 5. 3-State Output Enable Time to Low Level and

Output Disable Time from Low Level

TEST CIRCUIT AND WAVEFORMS

PULSE

GENERATOR

VIN

D.U.T.

VOUT

VCC

OPEN

AMP (V)

NEGATIVE

PULSE

10%

90%

AMP (V)

POSITIVE

PULSE

90%

10%

tTHL (tF)

tTLH (tR)tTHL (tF)

tTLH (tR)

VM = 1.5V

Input Pulse Definition

DEFINITIONS

RL = Load resistor; see AC CHARACTERISTICS for value.

CL = Load capacitance includes jig and probe capacitance;

see AC CHARACTERISTICS for value.

RT = Termination resistance should be equal to ZOUT of

pulse generators.

GND

SW00003

Test Circuit for 3-State Outputs

TEST

SWITCH

tPHZ/tPZH

GND

tPLZ/tPZL

tPLH/tPHL

open

SWITCH POSITION

INPUT PULSE REQUIREMENTS

FAMILY

Amplitude

Rep. Rate

74LVT16

2.7V

≤10MHz

500ns

≤2.5ns ≤2.5ns

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