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74AHC245

Octal bus transceiver; 3-state

NXP Semiconductors. 

NXP Semiconductors

74AHC245; 74AHCT245

Octal bus transceiver; 3-state

VI

OE input

GND

VCC

output

LOW-to-OFF

OFF-to-LOW

VOL

VOH

output

HIGH-to-OFF

OFF-to-HIGH

GND

VM

t PLZ

t PZL

t PHZ

VX

VY

VM

t PZH

VM

outputs

enabled

outputs

disabled

outputs

enabled

mna367

Measurement points are given in Table 8.

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

Fig 6. enable and disable times

Table 8: Measurement points

Type

74AHC245

74AHCT245

Input

VM

0.5VCC

1.5 V

Output

VM

0.5VCC

0.5VCC

VX

VOL + 0.3 V

VOL + 0.3 V

VY

VOH − 0.3 V

VOH − 0.3 V

74AHC_AHCT245_3

Product data sheet

Rev. 03 — 25 September 2007

© NXP B.V. 2007. All rights reserved.

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