HD74LV244 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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Компоненты Описание

производитель

HD74LV244

Octal Buffers / Drivers with 3-state Outputs

Hitachi -> Renesas Electronics 

HD74LV244A

Output-skew characteristics

• CL = 50 pF

Ta = 25°C

Ta = –40 to 85°C

Item

Output skew

Symbol VCC (V)

Min

tsk (O)

2.3 to 2.7 —

3.0 to 3.6 —

Max

Min

2.0

—

1.5

—

Max

Unit

2.0

ns

1.5

4.5 to 5.5 —

1.0

—

1.0

Note: Skew between any outputs of the same package switching in the same direction. This parameter is

warranted but not production tested.

Operating Characteristics

• CL = 50 pF

Item

Power dissipation

capacitance

Symbol

CPD

VCC (V)

3.3

5.0

Ta = 25°C

Min

Typ

—

14.0

—

16.0

Max

—

—

Unit Test Conditions

pF

f = 10 MHz

Noise Characteristics

• CL = 50 pF

Item

Quiet output,

maximum

dynamic VOL

Quiet output,

minimum

dynamic VOL

Quiet output,

minimum

dynamic VOH

High-level

dynamic

input voltage

Low-level

dynamic

inout voltage

Symbol

VOL (P)

VOL (V)

VOH (V)

VIH (D)

VIL (D)

VCC (V)

3.3

3.3

3.3

3.3

3.3

Ta = 25°C

Min

Typ

—

0.6

—

–0.5

—

2.9

2.31

—

—

—

Max

0.8

–0.8

—

—

0.99

Unit Test Conditions

V

V

9

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