HD74AC240 datasheet(3/9 Pages) HITACHI

Part #	HD74AC240

Description	Octal Buffer/Line Driver with 3-State Output

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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HD74AC240/HD74ACT240

3

AC Characteristics: HD74AC240

Ta = +25

°C

C

L = 50 pF

Ta = –40

°C to +85°C

C

L = 50 pF

Item

Symbol

V

CC (V)*

1

Min

Typ

Max

Min

Max

Unit

Propagation delay

t

PLH

3.3

1.0

6.0

8.0

1.0

9.0

ns

Data to output

5.0

1.0

4.5

6.5

1.0

7.0

Propagation delay

t

PHL

3.3

1.0

5.0

8.0

1.0

8.5

ns

Data to output

5.0

1.0

4.5

6.0

1.0

6.5

Output enable time

t

PZH

3.3

1.0

6.0

10.5

1.0

11.0

ns

5.0

1.0

5.0

7.0

1.0

8.0

Output enable time

t

PZL

3.3

1.0

7.0

10.0

1.0

11.0

ns

5.0

1.0

5.5

8.0

1.0

8.5

Output disable time

t

PHZ

3.3

1.0

7.0

10.0

1.0

10.5

ns

5.0

1.0

6.5

9.0

1.0

9.5

Output disable time

t

PLZ

3.3

1.0

7.5

10.5

1.0

11.5

ns

5.0

1.0

6.5

9.0

1.0

9.5

Note:

1. Voltage Range 3.3 is 3.3 V

± 0.3 V

Voltage Range 5.0 is 5.0 V

± 0.5 V

AC Characteristics: HD74ACT240

Ta = +25

°C

C

L = 50 pF

Ta = –40

°C to +85°C

C

L = 50 pF

Item

Symbol

V

CC (V)*

1

Min

Typ

Max

Min

Max

Unit

Propagation delay

Data to output

t

PLH

5.0

1.0

6.0

8.5

1.0

9.5

ns

Propagation delay

Data to output

t

PHL

5.0

1.0

5.5

7.5

1.0

8.5

ns

Output enable time

t

PZH

5.0

1.0

7.0

8.5

1.0

9.5

ns

Output enable time

t

PZL

5.0

1.0

7.0

9.5

1.0

10.5

ns

Output disable time

t

PHZ

5.0

1.0

8.0

9.5

1.0

10.5

ns

Output disable time

t

PLZ

5.0

1.0

6.5

10.0

1.0

10.5

ns

Note:

1. Voltage Range 5.0 is 5.0 V

± 0.5 V

Similar Part No. - HD74AC240

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HD74AC240 Datasheet(PDF) 3 Page - Hitachi Semiconductor

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