74ALVT16823 datasheet(9/12 Pages) PHILIPS

9 / 12 page

Philips Semiconductors

Product specification

74ALVT16823

2.5V/3.3V 18-bit bus-interface D-type flip-flop

with reset and enable (3-State)

1998 Jun 12

AC WAVEFORMS (Continued)

For all waveforms, VM = 1.5V or VCC/2 whichever is less

The shaded areas indicate when the input is permitted to change for

predictable output performance.

nOE

tPZL

tPLZ

VOL +0.3V

nQx

SH00021

VOL

3.0V or VCC

whichever

is less

3.0V or VCC

whichever

is less

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

and Output Disable Time from Low Level

TEST CIRCUIT AND WAVEFORM

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 or VCC / 2, whichever is less

Input Pulse Definition

INPUT PULSE REQUIREMENTS

FAMILY

Amplitude

Rep. Rate

74ALVT16

GND

6V or

VCC x 2

SW00162

Test Circuit for 3-State Outputs

SWITCH POSITION

TEST

SWITCH

tPHZ/tPZH

GND

tPLZ/tPZL

6V or VCC x 2

tPLH/tPHL

open

DEFINITIONS

3.0V or VCC

whichever

is less

≤10MHz

500ns

≤2.5ns ≤2.5ns

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.

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