MC74AC646(2001) データシートの表示（PDF） - ON Semiconductor

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MC74AC646
(Rev.:2001)

Octal Transceiver/Register with 3-State Outputs (Non-inverting)

ON Semiconductor 

MC74AC646, MC74ACT646

AC OPERATING REQUIREMENTS

Symbol

Parameter

ts

Setup Time, HIGH or LOW

Bus to Clock

th

Hold Time, HIGH or LOW

Bus to Clock

tw

Clock Pulse Width

HIGH or LOW

*Voltage Range 5.0 V is 5.0 V ±0.5 V.

CAPACITANCE

Symbol

Parameter

CIN

CI/O

CPD

Input Capacitance

Input/Output Capacitance

Power Dissipation Capacitance

74ACT

74ACT

VCC*

(V)

TA = +25°C

CL = 50 pF

TA = –40°C

to +85°C

CL = 50 pF

Unit

Fig.

No.

Typ

Guaranteed Minimum

5.0

–

7.0

8.0

ns

3–9

5.0

–

2.5

2.5

ns

3–9

5.0

–

7.0

8.0

ns

3–6

Value

Typ

Unit

4.5

pF

15

pF

60

pF

Test Conditions

VCC = 5.0 V

VCC = 5.0 V

VCC = 5.0 V

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