MC74ACT574DT(2001) 查看數據表（PDF） - ON Semiconductor

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MC74ACT574DT
(Rev.:2001)

Octal D Flip-Flop with 3-State Outputs

ON Semiconductor 

MC74AC574, MC74ACT574

AC OPERATING REQUIREMENTS

Symbol

Parameter

ts

Setup Time, HIGH or LOW

Dn to CP

th

Hold Time, HIGH or LOW

Dn to CP

tw

CP Pulse Width

HIGH or LOW

*Voltage Range 3.3 V is 3.3 V ±0.3 V.

Voltage Range 5.0 V is 5.0 V ±0.5 V.

CAPACITANCE

Symbol

Parameter

CIN

CPD

Input 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

–

2.5

2.5

ns

3–9

5.0

–

1.0

1.0

ns

3–9

5.0

–

3.0

4.0

ns

3–6

Value

Typ

Unit

4.5

pF

40

pF

Test Conditions

VCC = 5.0 V

VCC = 5.0 V

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