4.8 Switching Characteristics: AC Series

tr, tI = 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

Propagation Delays: Data to Qn 373

1.5

—

96

—

106

ns

3.3(1)

3.1

10.8

3

11.9

tPHL

5(2)

2.2

7.7

2.1

8.5

tpLH

533

1.5

—

119

—

131

ns

3.3

3.8

13.4

3.7

14.7

tPHL

5

2.7

9.5

2.6

10.5

tPLH

LE on Qn 373

1.5

—

136

—

150

ns

3.3

4.3

15.2

4.2

16.8

tPHL

5

3.1

10.9

3

12

tPLH

533

1.5

—

136

—

150

ns

3.3

4.3

153

4.2

16.8

tPHL

5

3.1

10.9

3

12

tPZL

Output Enable Times

1.5

—

119

—

131

ns

3.3

4.1

14.4

4

15.8

tPZH

5

2.7

9.5

2.6

10.5

tPLZ

Output Disable Times

1.5

—

131

—

144

ns

3.3

3.7

13.1

3.6

14.4

tPHZ

5

3

10.5

2.9

11.5

CPD (3)

Power Dissipation Capacitance

—

63 Typ.

63 Typ.

pF

VOHV

Min. (Valley) VOH During Switching of Other

Outputs (Output Under Test Not Switching)

5

4 Typ. @ 25° C

V

VOLP

Max. (Peak) VOL During Switching of Other

Outputs (Output Under Test Not Switching)

5

1 Typ. @25° C

V

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 latch.

4.9 Prerequisite for Switching: ACT Series

SYMBOL

CHARACTERISTICS

VCC (V)

AMBIENT TEMPERATURE (TA) -°C

UNIT

-40 to +85

-55 to +125

MIN

MAX

MIN

MAX

tW

LE Pulse Width

5(1)

3.6

—

4

—

ns

tSU

Setup Time Data to LE

5

2

—

2

—

ns

tH

Hold Time Data to LE

5

2.7

—

3

—

ns

(1)

5 V: min. is @ 4.5 V

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CD54AC373, CD74AC373, CD54ACT373, CD74ACT373

SCHS289A – DECEMBER 1998 – REVISED MAY 2024

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