4.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

-55°C to 125°C

-40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

VOH

VI = VIH or VIL

IOH = –50 µA

4.5 V

4.4

4.4

4.4

V

IOH = –24 mA

4.5 V

3.94

3.7

3.8

IOH = –50 mA

(1)

5.5 V

3.85

IOH = –75 mA

(1)

5.5 V

3.85

VOL

VI = VIH or VIL

IOL = 50 µA

4.5 V

0.1

0.1

0.1

V

IOL = 24 mA

4.5 V

0.36

0.5

0.44

IOL = 50 mA (1)

5.5 V

1.65

IOL = 75 mA (1)

5.5 V

1.65

II

VI = VCC or GND

5.5 V

±0.1

±1

±1

µA

ICC

VI = VCC or GND, IO = 0

5.5 V

8

160

80

µA

ΔICC (2)

VI = VCC - 2.1 V

4.5 V to 5.5

V

2.4

3

2.8

mA

Ci

10

10

10

pF

(1)

Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage

to minimize power dissipation. Test verifies a minimum 50-Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive

capability at 125°C.

(2)

Additional quiescent supply current per input pin, TTL inputs high, 1 unit load

Table 4-1. Act Input Load

Table

INPUT

UNIT LOAD(1)

D

1

G

1

A, B, or C

1

(1)

Unit Load is ΔICC limit

specified in electrical

characteristics table (e.g.,

2.4 mA at 25°C).

4.6 Switching Characteristics

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V, CL = 50 pF (unless otherwise noted) (see Load

Circuit and Voltage Waveforms)

PARAMETER

FROM (INPUT)

TO (OUTPUT)

-55°C to 125°C

-40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

tPLH

D

Y

3.9

15.5

4

14.1

ns

tPHL

3.9

15.5

4

14.1

tPLH

D

W

4.2

16.9

4.4

15.4

ns

tPHL

4.2

16.9

4.4

15.4

tPLH

A, B, or C

Y

5.1

20.2

5.2

18.4

ns

tPHL

5.1

20.2

5.2

18.4

tPLH

A, B, or C

W

5.4

21.6

5.6

19.6

ns

tPHL

5.4

21.6

5.6

19.6

tPLH

G

Y

3

12.1

3.1

11

ns

tPHL

3

12.1

3.1

11

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CD54ACT151, CD74ACT151

SCHS338B – MARCH 2003 – REVISED MAY 2025

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