74ACT11240

OCTAL BUFFER/LINE DRIVER

WITH 3-STATE OUTPUTS

SCAS210A – MAY 1987 – REVISED APRIL 1996

3

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

UNIT

IOH =50 mA

4.5 V

4.4

4.4

IOH = –50 mA

5.5 V

5.4

5.4

VOH

IOH =24 mA

4.5 V

3.94

3.8

V

OH

IOH = –24 mA

5.5 V

4.94

4.8

IOH = –75 mA{

5.5 V

3.85

IOL =50 mA

4.5 V

0.1

0.1

IOL = 50 mA

5.5 V

0.1

0.1

VOL

IOL =24mA

4.5 V

0.36

0.44

V

OL

IOL = 24 mA

5.5 V

0.36

0.44

IOL = 75 mA{

5.5 V

1.65

IOZ

VO = VCC or GND

5.5 V

±0.5

±5

mA

II

VI = VCC or GND

5.5 V

±0.1

±1

mA

ICC

VI = VCC or GND,

IO = 0

5.5 V

8

80

mA

DICC‡

One input at 3.4 V,

Other inputs at GND or VCC

5.5 V

0.9

1

mA

Ci

VI = VCC or GND

5 V

4

pF

Co

VI = VCC or GND

5 V

10

pF

† Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.

‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

MIN

MAX

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

UNIT

tPLH

A

Y

1.5

6.5

9.9

1.5

10.6

ns

tPHL

A

Y

1.5

6

8

1.5

8.7

ns

tPZH

OE

Y

1.5

7.5

11.7

1.5

12.5

ns

tPZL

OE

Y

1.5

7.3

11.5

1.5

12.3

ns

tPHZ

OE

Y

1.5

7.3

9.4

1.5

10

ns

tPLZ

OE

Y

1.5

7.9

10.3

1.5

10.8

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

C d

Power dissipation capacitance per buffer

Outputs enabled

CL =50 pF

f=1MHz

47

pF

Cpd

Power dissipation capacitance per buffer

Outputs disabled

CL = 50 pF,

f = 1 MHz

13

pF