74LVC245 查看數據表（PDF） - Hitachi -> Renesas Electronics

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产品描述 (功能)

生产厂家

74LVC245

Octal Bidirectional Transceivers with 3-state Outputs

Hitachi -> Renesas Electronics 

HD74LVC245A

Recommended Operating Conditions

Item

Symbol

Ratings

Unit

Supply voltage

VCC

1.5 to 5.5

V

2.0 to 5.5

V

Input / output voltage

VI

0 to 5.5

V

VI/O

0 to VCC

V

0 to 5.5

V

Operating temperature Ta

–40 to 85

°C

Output current

I OH

–12

mA

–24*2

mA

I OL

12

mA

24*2

mA

Input rise / fall time *1

tr, tf

10

ns/V

Notes: 1. This item guarantees maximum limit when one input switches.

Waveform : Refer to test circuit of switching characteristics.

2. duty cycle ≤ 50%

Conditions

Data retention

At operation

T / R, OE

Output "H" or "L"

Output "Z" or VCC:OFF

VCC = 2.7 V

VCC = 3.0 V to 5.5 V

VCC = 2.7 V

VCC = 3.0 V to 5.5 V

3

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