UNIT

PARAMETER

UNIT

SN54ALS22B, SN74ALS22B

DUAL 4-INPUT POSITIVE-NAND GATES

WITH OPEN-COLLECTOR OUTPUTSWITH OPEN-COLLECTOR OUTPUTS

SDAS005A – MARCH 1984 – REVISED MAY 1986

POST OFFICE BOX 655303

2

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Off-state output voltage

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating free-air temperature range: SN54ALS22B

– 55

°C to 125°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SN74ALS22B

0

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

recommended operating conditions

SN54ALS22B

SN74ALS22B

MIN

NOM

MAX

MIN

NOM

MAX

VCC

Supply voltage

4.5

5

5.5

4.5

5

5.5

V

VIH

High-level input voltage

2

2

V

VIL

Low-level input voltage

0.7

0.8

V

IOH

High-level output current

5.5

5.5

mA

IOL

Low-level output current

4

8

mA

TA

Operating free-air temperature

–55

125

0

70

°C

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

otherwise noted)

PARAMETER

TEST CONDITIONS

SN54ALS22B

SN74ALS22B

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = – 18 mA

– 1.5

– 1.5

V

VOL

VCC = 4.5 V,

IOL = 4 mA

0.25

0.4

0.25

0.4

V

VOL

VCC = 4.5 V,

IOL = 8 mA

0.35

0.5

V

IOH

VCC = 4.5 V,

VOH = 5.5 V

0.1

0.1

mA

II

VCC = 5.5 V,

VI = 7 V

0.1

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

20

µA

IIL

VCC = 5.5 V,

VI = 0.4 V

– 0.1

– 0.1

mA

ICCH

VCC = 5.5 V,

VI = 0 V

0.22

0.4

0.22

0.4

mA

ICCL

VCC = 5.5 V,

VI = 4.5 V

0.8

1.5

0.8

1.5

mA

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

switching characteristics (see Note 1)

VCC = 5 V,

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

CL = 50 pF,

FROM

TO

RL = 2 kΩ,

(INPUT)

(OUTPUT)

TA = 25°C

TA = MIN to MAX

’ALS22B

SN54ALS22B

SN74ALS22B

TYP

MIN

MAX

MIN

MAX

tPLH

Any

Y

35

23

65

23

45

ns

tPHL

Any

Y

8

4

32

4

18

ns

NOTE 1: Load circuit and voltage waveforms are shown in Section 1.