SN54AS880, SN74AS880

DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS

SDAS079A – D2661, DECEMBER 1982 – REVISED MAY 1986

POST OFFICE BOX 655303

5

recommended operating conditions

SN54AS880

SN74AS880

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

0.8

0.8

V

IOH

High-level output current

–12

–15

mA

IOL

Low-level output current

32

48

mA

t

Pulse duration

PRE low

4.5

3.5

ns

tw

Pulse duration

C high

4

2.5

ns

tsu

Setup time, data before C

↓

2

2

ns

th

Hold time, data after C

↓

1

1

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

SN54AS880

SN74AS880

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 = – 2 mA

VCC –2

VCC –2

VOH

VCC = 4.5 V,

IOH = – 12 mA

2.4

3.2

V

VCC = 4.5 V,

IOH = – 15 mA

2.4

3.3

VOL

VCC = 4.5 V,

IOL = 32 mA

0.30

0.5

V

VOL

VCC = 4.5 V,

IOL = 48 mA

0.35

0.5

V

IOZH

VCC = 5.5 V,

VO = 2.7 V

50

50

µA

IOZL

VCC = 5.5 V,

VO = 0.4 V

–50

–50

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

– 0.5

– 0.5

mA

IO‡

VCC = 5.5 V,

VO = 2.25 V

–30

–112

–30

–112

mA

Outputs high

73

118

73

118

ICC

VCC = 5.5 V

Outputs low

76

122

76

122

mA

Outputs disabled

86

137

86

137

† 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.