SN54AS181B, SN74AS181A

ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS

SDAS209B – DECEMBER 1982 – REVISED DECEMBER 1994

8

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

SN54AS181B

SN74AS181A

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = – 18 mA

– 1.2

– 1.2

V

VOH

Any output except A = B

VCC = 4.5 V to 5.5 V,

IOH = – 2 mA

VCC –2

VCC –2

V

VOH

G

VCC = 4.5 V,

IOH = – 3 mA

2.4

3.4

2.4

3.4

V

VOL

Any output except G

VCC =4 5V

IOL = 20 mA

0.3

0.5

0.3

0.5

V

VOL

G

VCC = 4.5 V

IOL = 48 mA

0.4

0.5

0.4

0.5

V

IOH

A = B

VCC = 4.5 V,

VOH = 5.5 V

0.1

0.1

mA

M

0.1

0.1

II

Any A or B

VCC =5 5V

VI =7V

0.3

0.3

mA

II

Any S

VCC = 5.5 V,

VI = 7 V

0.4

0.4

mA

Cn

0.6

0.6

M

20

20

IIH

Any A or B

VCC =5 5V

VI =2 7V

60

60

µA

IIH

Any S

VCC = 5.5 V,

VI = 2.7 V

80

80

µA

Cn

120

120

M

– 0.5

–2

IIL

Any A or B

VCC =5 5V

VI =0 4V

– 1.5

–6

mA

IIL

Any S

VCC = 5.5 V,

VI = 0.4 V

–2

–8

mA

Cn

–3

–12

IO‡

All outputs except A = B

and G

VCC = 5.5 V,

VO = 2.25 V

–30

–45

–112

–30

–45

–112

mA

O

G

CC

,

O

–30

– 125

–30

– 125

ICC

VCC = 5.5 V

74

117

135

200

mA

† All typical values are at VCC = 5 V, TA = 25°C.

‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.