74LVT646 datasheet(8/14 Pages) PHILIPS

8 / 14 page

Philips Semiconductors

Product specification

74LVT646

3.3V Octal bus transceiver/register (3-State)

1998 Feb 19

AC WAVEFORMS

VM = 1.5V, VIN = GND to 2.7V

1.5V

1/fMAX

tw(H)

tw(L)

tPHL

tPLH

CPBA or

CPAB

An or Bn

1.5V

2.7V

VOH

VOL

SV00050

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

Pulse Width, and Maximum Clock Frequency

SBA or SAB

tPLH

tPHL

An or Bn

2.7V

VOL

VOH

SV00121

Waveform 2. Propagation Delay, SAB to Bn or SBA to An, An

to Bn or Bn to An

tPHL

tPLH

SBA or SAB

An or Bn

1.5V

2.7V

VOH

VOL

SV00122

Waveform 3. Propagation Delay, SBA to An or SAB to Bn

CPBA

CPAB

ts(H)

th(H)

ts(L)

th(L)

1.5V

2.7V

SV00123

NOTE: The shaded areas indicate when the input is permitted

to change for predictable output performance.

Waveform 4. Data Setup and Hold Times

OE, DIR

tPZH

tPHZ

VOH –0.3V

An or Bn

DIR

1.5V

2.7V

VOH

SV00124

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

Output Disable Time from High Level

tPZL

tPLZ

VOL +0.3V

OE, DIR

An or Bn

DIR

1.5V

VOL

2.7V

SV00125

Waveform 6. 3-State Output Enable Time to Low Level and

Output Disable Time from Low Level

74LVT646 Datenblatt(PDF) 8 Page - NXP Semiconductors

74LVT646 Datenblatt(HTML) 8 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Datenblatt Download

Link URL