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MC74AC323

8Input Universal Shift/Storage Register with Synchronous Reset and Common I/O Pins

ON Semiconductor 

MC74AC323 MC74ACT323

AC CHARACTERISTICS (For Figures and Waveforms — See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)

74ACT

74ACT

Symbol

Parameter

VCC*

(V)

TA = +25°C

CL = 50 pF

TA = –40°C

to +85°C

CL = 50 pF

Unit

Fig.

No.

Min Typ Max Min Max

fmax

Maximum Input

Frequency

tPLH

Propagation Delay

CP to Q0 or Q7

tPHL

Propagation Delay

CP to Q0 or Q7

tPLH

Propagation Delay

CP to I/On

tPHL

Propagation Delay

CP to I/On

tPZH

Output Enable Time

tPZL

Output Enable Time

tPHZ

Output Disable Time

tPLZ

Output Disable Time

* Voltage Range 5.0 V is 5.0 V ±0.5 V.

5.0 120 125

110

MHz

3-3

5.0 5.0 9.0 12.5 4.0 14

ns

3-6

5.0 5.0 9.0 13.5 4.5 15

ns

3-6

5.0 5.0 8.5 12.5 4.5 14.5 ns

3-6

5.0 6.0 10 14.5 5.0 16

ns

3-6

5.0 3.5 7.5 11 3.0 12.5 ns

3-7

5.0 3.5 7.5 11.5 3.0 13

ns

3-8

5.0 4.0 8.5 12.5 3.0 13.5 ns

3-7

5.0 3.0 8.0 11.5 2.5 12.5 ns

3-8

AC OPERATING REQUIREMENTS

Symbol

Parameter

ts

Setup Time, HIGH or LOW

S0 or S1 to CP

th

Hold Time, HIGH or LOW

S0 or S1 to CP

ts

Setup Time, HIGH or LOW

I/On, DS0, DS7 to CP

th

Hold Time, HIGH or LOW

I/On, DS0, DS7 to CP

ts

Setup Time, HIGH or LOW

SR to CP

th

Setup Time, HIGH or LOW

SR to CP

tw

CP Pulse Width

HIGH or LOW

* Voltage Range 5.0 V is 5.0 V ±0.5 V.

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 2.0

5.0

5.0

ns

3-9

5.0

0

1.5

1.5

ns

3-9

5.0 1.0

4.0

4.5

ns

3-9

5.0

0

1.0

1.0

ns

3-9

5.0 1.0

2.5

2.5

ns

3-9

5.0

0

1.0

1.0

ns

3-9

5.0 2.0

4.0

4.5

ns

3-6

CAPACITANCE

Symbol

Parameter

CIN

Input Capacitance

CPD

Power Dissipation Capacitance

Value

Typ

Unit

4.5

pF

170

pF

Test Conditions

VCC = 5.0 V

VCC = 5.0 V

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