74LVC245A(2009) Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

74LVC245A
(Rev.:2009)

Octal bus transceiver; 3-state

NXP Semiconductors. 

NXP Semiconductors

74LVC245A; 74LVCH245A

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.

See Table 8 for measurement points

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

Enable and disable times

Table 8. Measurement points

Supply voltage Input

VCC

1.2 V

2.7 V

VI

VCC

2.7 V

3.0 V to 3.6 V

2.7 V

VM

0.5 × VCC

1.5 V

1.5 V

Output

VM

0.5 × VCC

1.5 V

1.5 V

VX

VOL + 0.1 V

VOL + 0.3 V

VOL + 0.3 V

VY

VOH − 0.1 V

VOH − 0.3 V

VOH − 0.3 V

74LVC_LVCH245A_5

Product data sheet

Rev. 05 — 25 August 2009

© NXP B.V. 2009. All rights reserved.

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