74ABT657 查看數據表（PDF） - NXP Semiconductors.

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74ABT657

Octal transceiver with parity generator/checker; 3-state

NXP Semiconductors. 

NXP Semiconductors

11. Waveforms

74ABT657

Octal transceiver with parity generator/checker; 3-state

VI

An, Bn,

ODD/EVEN

PARITY

GND

VOH

PARITY,

ERROR

VOL

VM

VM

tPHL

VM

VM = 1.5 V

Fig 5. Propagation delay for inverting output

tPLH

VM

001aae829

VI

An, Bn,

ODD/EVEN

PARITY

GND

VOH

An, Bn,

PARITY,

ERROR

VOL

VM

VM

tPLH

VM

VM = 1.5 V

Fig 6. Propagation delay for non-inverting output

tPHL

VM

001aae830

VI

OE

GND

VOH

An, Bn,

PARITY,

ERROR

GND

VM

VM

tPZH

VM

tPHZ

VOH − 0.3 V

001aae831

VM = 1.5 V

Fig 7. 3-state output enable time to HIGH-level and output disable time from HIGH-level

74ABT657_3

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 03 — 15 March 2010

© NXP B.V. 2010. All rights reserved.

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