74LVC245A datasheet(10/20 Pages) PHILIPS

部件名	74LVC245A

功能描述	Octal bus transceiver with direction pin with 5 V tolerant input/outputs (3-state)

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

标志

10 / 20 page

2003 May 07

10

Philips Semiconductors

Product speciﬁcation

Octal bus transceiver with direction pin with 5 V tolerant

input/outputs (3-state)

74LVC245A;

74LVCH245A

AC WAVEFORMS

handbook, halfpage

MNA176

An, Bn input

Bn, An output

tPLH

tPHL

GND

VI

VM

VOH

VOL

Fig.5 The inputs An,Bn to outputs Bn,An propagation delays.

VM = 1.5 V at VCC ≥ 2.7 V.

VM = 0.5VCC at VCC < 2.7 V.

VOL and VOH are typical output voltage drop that occur with the output load.

handbook, full pagewidth

MNA362

tPLZ

tPHZ

outputs

disabled

outputs

enabled

VY

VX

outputs

enabled

output

LOW-to-OFF

OFF-to-LOW

output

HIGH-to-OFF

OFF-to-HIGH

nOE input

VI

VOL

VOH

VCC

VM

GND

tPZL

tPZH

VM

Fig.6 3-state enable and disable times.

VM = 1.5 V at VCC ≥ 2.7 V;

VM = 0.5VCC at VCC < 2.7 V;

VX =VOL + 0.3 V at VCC ≥ 2.7 V;

VX =VOL + 0.1 V at VCC < 2.7 V;

VY =VOH − 0.3 V at VCC ≥ 2.7 V;

VY =VOH − 0.1 V at VCC < 2.7 V.

VOL and VOH are typical output voltage drop that occur with the output load.

类似零件编号 - 74LVC245A

制造商	部件名	数据表	功能描述
STMicroelectronics	74LVC245A	240Kb / 9P	LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (NOT INVERTED) HIGH PERFORMANCE
STMicroelectronics	74LVC245A	303Kb / 12P	LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (NOT INVERTED) HIGH PERFORMANCE
NXP Semiconductors	74LVC245A	122Kb / 17P	Octal bus transceiver; 3-state Rev. 05-25 August 2009
ON Semiconductor	74LVC245A	92Kb / 9P	Low-Voltage CMOS Octal Buffer October, 2015 ??Rev. 0
Diodes Incorporated	74LVC245A	466Kb / 10P	OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS

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类似说明 - 74LVC245A

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