74AHC245BQ(2009) 데이터 시트보기 (PDF) - NXP Semiconductors.

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74AHC245BQ
(Rev.:2009)

Octal bus transceiver; 3-state

NXP Semiconductors. 

Nexperia

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

Fig 6.

Measurement points are given in Table 8.

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

Enable and disable times

Table 8. Measurement points

Type

Input

74AHC245

74AHCT245

VM

0.5 × VCC

1.5 V

Output

VM

0.5 × VCC

0.5 × VCC

VX

VOL + 0.3 V

VOL + 0.3 V

VY

VOH − 0.3 V

VOH − 0.3 V

74AHC_AHCT245_5

Product data sheet

Rev. 05 — 28 April 2009

© Nexperia B.V. 2017. All rights reserved

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