Philips Semiconductors

Product specification

74ALVT16899

2.5V/3.3V 18-bit latched transceiver with 16-bit parity

generator/checker (3-State)

1998 Jun 30

14

An

(Bn)

INPUT

APAR

(BPAR)

0

ODD/EVEN

EVEN PARITY

ODD PARITY

EVEN PARITY

1

LEA

(LEB)

tPHL

VM

ERRA

(ERRB)

INPUT

OUTPUT

tPLH

VM

VM

VM

NOTE: Only odd parity mode is shown. Even parity mode would be with ODD/EVEN = o

SA00299

Waveform 9. Propagation Delay, LEA to ERRA or LEB to ERRB

An

(Bn)

tPHL

VM

VM

VM

BPAR

(APAR)

INPUT

OUTPUT

APAR

(BPAR)

0

ODD/EVEN

1

tPLH

VM

EVEN PARITY

SEL

INPUT

NOTE: Only even parity mode is shown with even parity. Odd parity mode would cause inverted output

and odd parity mode would be with ODD/EVEN = 1

SA00300

Waveform 10. Propagation Delay, SEL to BPAR or SEL to APAR