74ABT899 查看數據表（PDF） - Philips Electronics

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74ABT899

9-bit dual latch transceiver with 8-bit parity generator/checker (3-State)

Philips Electronics 

Philips Semiconductors

9-bit dual latch transceiver with 8-bit parity

generator/checker (3-State)

Product specification

74ABT899

1

APAR

(BPAR)

An

(Bn)

EVEN PARITY

INPUT

ODD/EVEN

VM

VM

INPUT

ERRA

(ERRB)

tPLH

VM

tPHL

VM

OUTPUT

NOTE: Only even parity mode is shown, odd parity mode would cause inverted output

SA00296

Waveform 4. Propagation Delay, ODD/EVEN to ERRA or ODD/EVEN to ERRB

SEL

0

APAR

(BPAR)

0

An

(Bn)

EVEN PARITY

INPUT

ODD/EVEN

VM

VM

INPUT

BPAR

(APAR)

tPLH

tPHL

VM

VM

OUTPUT

NOTE: Only even parity mode is shown, odd parity mode would cause inverted output

SA00297

Waveform 5. Propagation Delay, ODD/EVEN to APAR or ODD/EVEN to BPAR

1998 Jan 16

9

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