54ACT11280, 74ACT11280

9BIT PARITY GENERATORS/CHECKERS

SCAS046A − D3148, AUGUST 1988 − REVISED APRIL 1993

POST OFFICE BOX 655303

POST OFFICE BOX 1443

2−3

recommended operating conditions

54ACT11280

74ACT11280

UNIT

MIN

MAX

MIN

MAX

UNIT

VCC

Supply voltage

4.5

5.5

4.5

5.5

V

VIH

High-level input voltage

2

2

V

VIL

Low-level input voltage

0.8

0.8

V

VI

Input voltage

0

VCC

0

VCC

V

VO

Output voltage

0

VCC

0

VCC

V

IOH

High-level output current

−24

−24

mA

IOL

Low-level output current

24

24

mA

Dt/Dv

Input transition rise or fall rate

0

10

0

10

ns/ V

TA

Operating free-air temperature

−55

125

−40

85

°C

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

54ACT11280

74ACT11280

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

IOH = − 50 A

4.5 V

4.4

4.4

4.4

IOH = − 50 mA

5.5 V

5.4

5.4

5.4

V

IOH = − 24 mA

4.5 V

3.94

3.7

3.8

V

VOH

IOH = − 24 mA

5.5 V

4.94

4.7

4.8

V

IOH = − 50 mA{

5.5 V

3.85

IOH = − 75 mA{

5.5 V

3.85

IOL = 50 A

4.5 V

0.1

0.1

0.1

IOL = 50 mA

5.5 V

0.1

0.1

0.1

V

IOL = 24 mA

4.5 V

0.36

0.5

0.44

V

VOL

IOL = 24 mA

5.5 V

0.36

0.5

0.44

V

IOL = 50 mA{

5.5 V

1.60

IOL = 75 mA{

5.5 V

1.65

II

VI = VCC or GND

5.5 V

± 0.1

± 1

± 1

mA

ICC

VI = VCC or GND,

IO = 0

5.5 V

8

160

80

mA

DICC}

One input at 3.4 V,

Other inputs at GND or VCC

5.5 V

0.9

1

1

mA

Ci

VI = VCC or GND

5 V

3.5

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 ranges of supply voltage and operating free-air

temperature (unless otherwise noted) (see Figure 1)

PARAMETER

FROM

TO

TA = 25°C

54ACT11280

74ACT11280

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

tPLH

Any input

S EVEN

1.5

7.3

10.8

1.5

13.1

1.5

12.2

ns

tPHL

Any input

S EVEN

1.5

8.8

12.5

1.5

15.6

1.5

14.3

ns

tPLH

Any input

S ODD

1.5

7.3

10.8

1.5

12.9

1.5

12.1

ns

tPHL

Any input

S ODD

1.5

8.6

12.4

1.5

15.7

1.5

14.3

ns