4.7 Switching Characteristics, AC Series

tr, tl = 3 ns, CL = 50 pF

SYMBOL

CHARACTERISTICS

VCC (V)

AMBIENT TEMPERATURE (TA) - °C

UNIT

-40 to +85

-55 to +125

MIN

MAX

MIN

MAX

Propagation Delays: CP to Q0, Q7

1.5

—

147

—

162

ns

tPLH

3.3

(1)

4.7

16.5

4.5

18.1

tPHL

5

(2)

3.3

11.7

3.2

12.9

CP to (I/O)n

1.5

—

154

—

169

ns

tPLH

3.3

4.9

17.2

4.7

18.9

tPHL

5

3.5

12.3

3.4

13.5

MR to Q0, Q7 (299 only)

1.5

—

127

—

140

ns

tPLH

3.3

4

14.3

3.9

15.7

tPHL

5

2.9

10.2

2.8

11.2

MR to (I/O)n

1.5

—

158

—

174

ns

tPLH

3.3

5

17.7

4.9

19.5

tPHL

5

3.6

12.6

3.5

13.9

tPZL

Enable and Disable Times

1.5

169

186

ns

tPZH

3.3

5.8

20.4

5.6

22.4

tPLZ tPHZ

5

3.8

13.5

3.7

14.9

Cpd

(3)

Power Dissipation Capacitance

—

280 Typ.

280 Typ.

pF

CI

Input Capacitance

—

—

10

—

10

pF

CO

3-State Output Capacitance

—

—

15

—

15

pF

(1)

3.3 V: min. is @ 3.6 V

(2)

5 V: min. is @ 5.5 V

(3)

Cpd is used to determine the dynamic power consumption, per function.

4.8 Switching Characteristics, ACT Series

tr, tl = 3 ns, CL = 50 pF

SYMBOL

CHARACTERISTICS

VCC (V)

AMBIENT TEMPERATURE (TA) - °C

UNIT

-40 to +85

-55 to +125

MIN

MAX

MIN

MAX

tPLH tPHL

Propagation Delays: CP to Q0, Q7

5(1)

3.3

11.7

3.2

12.9

ns

tPLH tPHL

CP to (I/O)n

5

3.7

13.2

3.6

14.5

ns

tPLH tPHL

MR to Q0, Q7 (299 only)

5

3.1

11.1

3.1

12.2

ns

tPLH tPHL

MR to (I/O)n

5

4.8

16.9

4.7

18.6

ns

tPLZ tPHZ tPZL

tPZH

Enable and Disable Times

5

3.8

13.5

3.7

14.9

ns

CPD§

Power Dissipation Capacitance

—

280 Typ.

280 Typ.

pF

CI

Input Capacitance

—

—

10

—

10

pF

CO

3-State Output Capacitance

—

—

15

—

15

pF

(1)

5 V: min. is @ 5.5 V

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CD54AC299, CD74AC299, CD74AC323, CD54ACT299, CD74ACT299

SCHS288A – DECEMBER 1998 – REVISED DECEMBER 2024

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