PARAMETER

TEST CONDITIONS

VCC (V)

25°C

-40°C TO 85 °C

-55°C TO 125°C

UNITS

VI (V)

IO (mA)

MIN

MAX

MIN

MAX

MIN

MAX

ΔICC

Additional Supply

Current per Input Pin

TTL Inputs High 1

Unit Load

VCC -2.1 -

4.5 to

5.5

-

2.4

-

2.8

-

3

mA

(1)

Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to

minimize power dissipation.

(2)

Test verifies a minimum 50Ω transmission-line-drive capability at 85°C, 75Ω at 125°C.

Table 4-1. ACT Input Load Table

INPUT

UNIT LOAD

A, B

0.5

CLR

0.74

CLK

0.71

Unit load is ΔICC limit specified in DC Electrical Specifications Table, e.g., 2.4mA max at 25°C.

4.6 Prerequisite for Switching Function

PARAMETER

VCC (V)

-40°C TO 85°C

-55°C TO 125°C

UNITS

MIN

MAX

MIN

MAX

AC TYPES

fMAX

Max. Clock Frequency

1.5

7

-

6

-

MHz

3.3(1)

62

-

54

-

MHz

5(2)

86

-

75

-

MHz

tW

MR Pulse Width

1.5

49

-

56

-

ns

3.3

5.5

-

6.3

-

ns

5

3.9

-

4.5

-

ns

tW

CP Pulse Width

1.5

73

-

84

-

ns

3.3

8.2

-

9.4

-

ns

5

5.9

-

6.7

-

ns

tSU

Set-up Time

1.5

27

-

31

-

ns

3.3

3.1

-

3.5

-

ns

5

2.2

-

2.5

-

ns

tH

Hold Time

1.5

27

-

31

-

ns

3.3

3.1

-

3.5

-

ns

5

2.2

-

2.5

-

ns

tREM

MR to CP Removal Time

1.5

1

-

1

-

ns

3.3

1

-

1

-

ns

5

1

-

1

-

ns

ACT TYPES

fMAX

Max. Clock Frequency

5(2)

80

-

70

-

MHz

tW

MR Pulse Width

5

3.9

-

4.5

-

ns

tW

CP Pulse Width

5

6.2

-

7.1

-

ns

tSU

Set-up Time

5

2.2

-

2.5

-

ns

tH

Hold Time

5

2.6

-

3

-

ns

tREM

MR to CP Removal Time

5

0

-

0

-

ns

(1)

9. 3.3V Min at 3.6V, Max at 3V.

(2)

10. 5V Min at 5.5V, Max at 4.5V.

CD54AC164, CD74AC164, CD54ACT164, CD74ACT164

SCHS240D – NOVEMBER 1998 – REVISED OCTOBER 2024

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