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

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

-40°C TO 85°C

-55°C TO 125°C

UNIT

VI (V)

IO (mA)

MIN

MAX

MIN

MAX

MIN

MAX

VOL

Low-

level

output

voltage

VIH or VIL

0.05

4.5

0.1

0.1

0.1

V

24

4.5

0.36

0.44

0.5

751

5.5

1.65

501

5.5

1.65

V

II

Input

leakage

current

VCC or GND

5.5 V

± 0.1

± 1

± 1

µA

IOZ

Three-

state or

leakage

current

VIH or

VILVO =

VCC or

GND

5.5 V

± 0.5

± 5

± 10

µA

ICC

Quiesce

nt

supply

current

MSI

VCC or GND

0

5.5 V

8

80

160

µA

∆ ICC

Addition

al

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. Test verifies a minimum 50Ω transmission-line-drive

capability at 85°C, 75Ω at 125°C.

4.5 Switching Characteristics

Input tr, tf = 3ns, CL = 50pF (Worst Case). Over recommended operating free-air temperature range (unless otherwise noted)

(see Load Circuit and Voltage Waveforms)

PARAMETER

VCC (V)

-40°C TO 85°C

-55°C TO 125°C

UNIT

MIN

TYP

MAX

MIN

TYP

MAX

AC TYPES

tPLH, tPHL

Propagation delay, data to

output

1.5

96

106

ns

3.3

3.2

10.8

3

11.9

5

2.2

7.7

2.1

8.5

tPLZ, tPHZ

Propagation delay, output

disable to output

1.5

159

175

ns

3.3

4.7

15.9

4.4

17.5

5

3.7

12.7

3.5

14

tPZL, tPZH

Propagation delay, output

enable to output

1.5

159

175

ns

3.3

5.6

19

5.3

21

5

3.7

12.7

3.5

VOHV

Minimum (Valley) VOH During

switching of other outputs

(output under test not

switching)

5

4 at 25°C

4 at 25°C

V

CD54AC245, CD74AC245, CD54ACT245, CD74ACT245

SCHS245D – NOVEMBER 1998 – REVISED APRIL 2024

www.ti.com

6

Submit Document Feedback

Copyright © 2024 Texas Instruments Incorporated

Product Folder Links: CD54AC245 CD74AC245 CD54ACT245 CD74ACT245