HD74LVCR2245A 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74LVCR2245A

Octal Bidirectional Transceivers with 3–state Outputs

Hitachi -> Renesas Electronics 

HD74LVCR2245A

Switching Characteristics (Ta = –40 to 85°C)

Item

Symbol VCC (V) Min

Typ

Propagation delay time

t PLH

t PHL

1.8±0.15 —

—

2.5±0.2 —

—

2.7

—

—

3.3±0.3 1.5

—

5.0±0.5 —

—

Output enable time

t ZH

1.8±0.15 —

—

t ZL

2.5±0.2 —

—

2.7

—

—

3.3±0.3 1.5

—

5.0±0.5 —

—

Output disable time

t HZ

1.8±0.15 —

—

t LZ

2.5±0.2 —

—

2.7

—

—

3.3±0.3 1.7

—

5.0±0.5 —

—

Between output pin skew *1 tOSLH

1.8±0.15 —

—

t OSHL

2.5±0.2 —

—

2.7

—

—

3.3±0.3 —

—

5.0±0.5 —

—

Note : 1. This parameter is characterized but not tested.

tOSLH = |tPLHm–tPLHn|, tOSHL = |tPHLm–tPHLn|

Max Unit FROM TO

(Input) (Output)

15.0 ns A or B B or A

9.0

7.3

6.3

4.8

18.0 ns OE

A or B

11.0

9.5

8.2

6.8

16.0 ns OE

A or B

10.0

8.5

7.8

6.6

2.0 ns

2.0

1.5

1.0

1.0

6

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