74ALVT16543DL datasheet(9/14 Pages) PHILIPS

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Philips Semiconductors

Product specification

74ALVT16543

2.5V/3.3V 16-bit registered transceiver (3-State)

1998 Feb 13

AC CHARACTERISTICS (2.5V

"0.2V RANGE)

GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C.

LIMITS

SYMBOL

PARAMETER

WAVEFORM

VCC = 2.5V "0.2V

UNIT

MIN

TYP1

MAX

tPLH

tPHL

Propagation delay

nAx to nBx or nBx to nAx

1.0

1.8

2.7

5.1

4.5

tPLH

tPHL

Propagation delay

nLEBA to nAx, nLEAB to nBx

1.5

3.9

3.6

6.4

5.9

tPZH

tPZL

Output enable time

nOEBA to nAx, nOEAB to nBx

1.5

4.0

2.7

6.5

4.6

tPHZ

tPLZ

Output disable time

nOEBA to nAx, nOEAB to nBx

1.5

3.7

2.6

5.6

4.0

tPZH

tPZL

Output enable time

nEBA to nAx, nEAB to nBx

1.5

4.2

2.8

7.0

5.0

tPHZ

tPLZ

Output disable time

nEBA to nAx, nEAB to nBx

1.5

3.6

2.4

5.6

3.9

NOTE:

1. All typical values are at VCC = 2.5V and Tamb = 25°C.

AC SETUP REQUIREMENTS (2.5V

"0.2V RANGE)

GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C.

LIMITS

SYMBOL

PARAMETER

WAVEFORM

VCC = 2.5V ±0.2V

UNIT

MIN

TYP

ts(H)

ts(L)

Setup time

nAx to nLEAB, nBx to nLEBA

1.0

–0.9

0.2

th(H)

th(L)

Hold time

nAx to nLEAB, nBx to nLEBA

0.8

1.7

–0.2

1.0

ts(H)

ts(L)

Setup time

nAx to nEAB, nBx to nEBA

1.5

–1.0

0.4

th(H)

th(L)

Hold time

nAx to nEAB, nBx to nEBA

0.5

2.0

–0.2

1.3

tW(L)

Latch enable pulse width, Low

1.5

AC WAVEFORMS

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

VIN

tPHL

tPLH

VOUT

VOH

VOL

SW00185

3.0V or VCC

whichever

is less

Waveform 1. Propagation Delay For Inverting Output

tPLH

tPHL

VIN

VOUT

VOH

VOL

SW00186

3.0V or VCC

whichever

is less

Waveform 2. Propagation Delay For Non-Inverting Output

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