74ALVT16646 Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

Fabricante

74ALVT16646

2.5V/3.3V 16-bus transceiver (3-State)

Philips Electronics 

Philips Semiconductors

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

Product specification

74ALVT16646

AC CHARACTERISTICS (3.3V "0.3V RANGE)

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

SYMBOL

PARAMETER

WAVEFORM

fMAX

Maximum clock frequency

1

tPLH

Propagation delay

tPHL

nCPAB to nBx or nCPBA to nAx

1

tPLH

Propagation delay

tPHL

nSAB to nBx or nSBA to nAx

2

tPLH

Propagation delay

2

tPHL

nAx to nBx or nBx to nAx

3

tPZH

Output enable time

5

tPZL

to High and Low level

6

tPHZ

Output disable time

5

tPLZ

from High and Low Level

6

tPZH

Output enable time

5

tPZL

nDIR to nAx or nBx

6

tPHZ

Output disable time

5

tPLZ

nDIR to nAx or nBx

6

NOTE:

1. All typical values are at VCC = 3.3V and Tamb = 25°C.

LIMITS

VCC = 3.3V "0.3V

MIN

TYP1

MAX

150

1.0

2.6

3.7

1.0

2.1

3.1

1.0

2.4

4.0

1.0

2.1

3.8

0.5

1.7

2.4

0.5

1.8

2.8

0.5

2.3

3.9

0.5

2.0

4.4

1.5

3.4

5.0

1.5

2.8

4.2

1.0

2.8

5.0

0.5

2.2

4.7

1.5

3.5

5.4

1.0

3.1

4.7

AC SETUP REQUIREMENTS (3.3V "0.3V RANGE)

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

SYMBOL

PARAMETER

WAVEFORM

tS(H)

tS(L)

Setup time, High or Low

nAx to nCPAB or nBx to nCPBA

4

th(H)

th(L)

Hold time, High or Low

nAx to nCPAB or nBx or nCPBA

4

tw(H)

tw(L)

Pulse width, High or Low

nCPAB or nCPBA

1

NOTE:

1. This data sheet limit may vary among suppliers.

LIMITS

VCC = 3.3V "0.3V

MIN

TYP1

1.6

1.0

1.6

1.0

0.0

–0.5

0.0

–0.7

1.5

1.5

UNIT

MHz

ns

ns

ns

ns

ns

ns

ns

UNIT

ns

ns

ns

1998 Feb 13

9

Share Link: