Philips Semiconductors

Product specification

74ALVT16952

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

1998 Mar 19

9

AC CHARACTERISTICS (2.5V

"0.2V RANGE)

LIMITS

SYMBOL

PARAMETER

WAVEFORM

UNIT

MIN

MAX

Maximum clock frequency

1

125

156

MHz

Propagation delay

nCPBA to nAx, nCPAB to nBx

1

1.0

1.0

3.0

3.0

3.8

3.9

ns

Output enable time

nOEBA to nAx, nOEAB to nBx

3

4

1.0

0.5

3.5

2.5

5.0

3.7

ns

Output disable time

nOEBA to nAx, nOEAB to nBx

3

4

1.0

1.0

3.9

3.1

4.8

4.1

ns

NOTES:

AC SETUP REQUIREMENTS (2.5V

"0.2V RANGE)

LIMITS

SYMBOL

PARAMETER

WAVEFORM

UNIT

MIN

TYP

Setup time

nAx to nCPAB or nBx to nCPBA

2

1.5

2.0

0.8

1.2

ns

Hold time

nAx to nCPAB or nBx to nCPBA

2

0.5

0.5

–1.2

–0.8

ns

Setup time

nCEAB to nCPAB, nCEBA to nCPBA

2

1.0

1.0

0.0

–0.2

ns

Hold time

nCEAB to nCPAB, nCEBA to nCPBA

2

1.1

1.1

0.3

0.2

ns

nCPAB or nCPBA pulse width,

High or Low

1

3.2

2.0

2.7

1.5

ns

AC WAVEFORMS

VM

VM

VM

VM

VM

1/fMAX

tw(H)

tw(L)

tPHL

tPLH

nCPBA or

nCPAB

nAx or nBx

SH00073

Waveform 1. Propagation Delay, Clock Input to Output, Clock

Pulse Width, and Maximum Clock Frequency

nAx, nBx

nCEAB,

nCEBA

nCPAB,

nCPBA

ts(H)

th(H)

ts(L)

th(L)

SH00074

Waveform 2. Data Setup and Hold Times