HD74AC194 查看數據表（PDF） - Renesas Electronics

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HD74AC194

4-bit Bidirectional Unviersal Shift Register

Renesas Electronics 

HD74AC194

AC Operating Requirements

Ta = –40°C

Ta = +25°C

to +85°C

Item

Setup time, HIGH or LOW

Pn or DSR or DSL to CP

Hold time, HIGH or LOW

Pn or DSR or DSL to CP

Setup time, HIGH or LOW

Sn to CP

Hold time, HIGH or LOW

Sn to CP

Recovery time

MR to CP

CL = 50 pF

CL = 50 pF

Symbol VCC (V)*1

Typ

Guaranteed Minimum

tsu

3.3

—

5.5

7.0

ns

5.0

—

4.0

5.0

th

3.3

—

5.0

—

2.0

3.0

ns

1.5

2.0

tsu

3.3

—

5.0

—

6.0

7.5

ns

4.5

5.5

th

3.3

—

5.0

—

0.0

0.0

ns

0.0

0.0

trec

3.3

—

5.0

—

0.5

0.5

ns

0.5

0.5

Unit

Pulse width

tw

3.3

—

5.0

—

5.5

7.0

ns

4.5

5.0

Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V

Voltage Range 5.0 is 5.0 V ± 0.5 V

Capacitance

Item

Input capacitance

Power dissipation capacitance

Symbol

CIN

CPD

Typ

4.5

100

Unit

pF

pF

VCC = 5.5 V

VCC = 5.0 V

Condition

Rev.2.00, Jul.16.2004, page 6 of 7

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