CD74ACT157

QUADRUPLE 2LINE TO 1LINE DATA SELECTOR/MULTIPLEXER

SCHS340B − MARCH 2003 - REVISED JUNE 2003

3

POST OFFICE BOX 655303

recommended operating conditions (see Note 3)

TA = 25°C

−55

°C to

125

°C

−40

°C to

85

°C

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

VCC

Supply voltage

4.5

5.5

4.5

5.5

4.5

5.5

V

VIH

High-level input voltage

2

2

2

V

VIL

Low-level input voltage

0.8

0.8

0.8

V

VI

Input voltage

0

VCC

0

VCC

0

VCC

V

VO

Output voltage

0

VCC

0

VCC

0

VCC

V

IOH

High-level output current

−24

−24

−24

mA

IOL

Low-level output current

24

24

24

mA

∆t/∆v

Input transition rise or fall rate

10

10

10

ns/V

NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

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

PARAMETER

TEST CONDITIONS

VCC

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

IOH = −50 µA

4.5 V

4.4

4.4

4.4

VOH

VI = VIH or VIL

IOH = −24 mA

4.5 V

3.94

3.7

3.8

V

VOH

VI = VIH or VIL

IOH = −50 mA†

5.5 V

3.85

V

IOH = −75 mA†

5.5 V

3.85

IOL = 50 µA

4.5 V

0.1

0.1

0.1

VOL

VI = VIH or VIL

IOL = 24 mA

4.5 V

0.36

0.5

0.44

V

VOL

VI = VIH or VIL

IOL = 50 mA†

5.5 V

1.65

V

IOL = 75 mA†

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

DICC‡

VI = VCC − 2.1 V

4.5 V to 5.5 V

2.4

3

2.8

mA

Ci

10

10

10

pF

† 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.

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

ACT INPUT LOADING TABLE

INPUT

UNIT LOAD

A or B

0.37

G

0.83

A/B

1.33

Unit load is

∆ICC limit specified in

electrical

characteristics

table

(e.g., 2.4 mA at 25

°C).