Logic Gates | 74VHCT245A

Octal Buffer/Line Driver with 3-STATE Outputs

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Overview

The VHCT245A is an advanced high speed CMOS octal bus transceiver fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The VHCT245A is intended for bidirectional asynchronous communication between data busses. The direction of data transmission is determined by the level of the T/R input. The enable input can be used to disable the device so that the busses are effectively isolated. Protection circuits ensure that 0V to 7V can be applied to the input and output (Note 1) pins without regard to the supply voltage. These circuits prevent device destruction due to mismatched supply and input/output voltages. This device can be used to interface 5V to 3V systems and two supply systems such as battery back up.

  • This product is general usage and suitable for many different applications.

  • High Speed: tPD = 5.4 ns (typ) at VCC = 5V
  • Power Down Protection on Inputs and Outputs
  • Low Power Dissipation: ICC = 4 µA (Max) @ TA = 25°C
  • Pin and Function Compatible with 74HCT245

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VCC Min (V)

VCC Max (V)

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IO Max (mA)

Reference Price

74VHCT245AM

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Obsolete

CAD Model

Pb

A

H

P

SOIC-20W

751BJ

1

260

TUBE

1080

N

Buffer

8

4.5

5.5

5.4

8

Price N/A

More Details

74VHCT245AMTC

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-20

948AQ

1

260

TUBE

1825

N

Buffer

8

4.5

5.5

5.4

8

Price N/A

More Details

74VHCT245AMTCX

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Active

CAD Model

Pb

A

H

P

TSSOP-20

948AQ

1

260

REEL

2500

N

Buffer

8

4.5

5.5

5.4

8

$0.3277

More Details

74VHCT245AMX

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Obsolete

CAD Model

Pb

A

H

P

SOIC-20W

751BJ

1

260

REEL

1000

N

Buffer

8

4.5

5.5

5.4

8

Price N/A

More Details

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Reliability Data

Die Related Summary Data

Device: 74VHCT245AM

Equivalent to wafer fab process: CMOS STD

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS STD

3

3597164517

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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