SN54ALS880A, SN54AS880, SN74ALS880A, SN74AS880

DUAL 4BIT DTYPE LATCHES WITH 3STATE OUTPUTS

SDAS079A − D2661, DECEMBER 1982 − REVISED MAY 1986

POST OFFICE BOX 655303

POST OFFICE BOX 1443

3

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

7 V

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

Input voltage

7 V

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

Voltage applied to a disabled 3-state output

5.5 V

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

Operating free-air temperature range:

SN54ALS880A, SN54AS880

−55

°C to 125°C

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

SN74ALS880A, SN74AS880

0

°C to 70°C

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

Storage temperature range

−65

°C to 150°C

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

recommended operating conditions

SN54ALS880A

SN74ALS880A

UNIT

MIN

NOM

MAX

MIN

NOM

MAX

UNIT

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

−1

− 2.6

mA

IOL

Low-level output current

12

24

mA

tw

Pulse duration

PRE low

15

15

ns

tw

Pulse duration

C high

15

15

ns

tsu

Setup time, data before C

↓

10

10

ns

th

Hold time, data after C

↓

10

10

ns

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

SN54ALS880A

SN74ALS880A

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = − 18 mA

− 1.2

− 1.2

V

VCC = 4.5 V to 5.5 V,

IOH = − 0.4 mA

VCC −2

VCC −2

VOH

VCC = 4.5 V,

IOH = − 1 mA

2.4

3.3

V

VCC = 4.5 V,

IOH = − 2.6 mA

2.4

3.2

VOL

VCC = 4.5 V,

IOL = 12 mA

0.25

0.4

0.25

0.4

V

VOL

VCC = 4.5 V,

IOL = 24 mA

0.35

0.5

V

IOZH

VCC = 5.5 V,

VO = 2.7 V

20

20

µA

IOZL

VCC = 5.5 V,

VO = 0.4 V

−20

−20

µA

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

− 0.2

− 0.2

mA

IO‡

VCC = 5.5 V,

VO = 2.25 V

−30

−112

−30

−112

mA

Outputs high

14

21

14

21

ICC

VCC = 5.5 V

Outputs low

19

29

19

29

mA

Outputs disabled

20

31

20

31

† 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.