SN74AS1008A

QUADRUPLE 2-INPUT POSITIVE-AND BUFFER/DRIVER

SDAS071B – DECEMBER 1982 – REVISED JANUARY 1995

2

POST OFFICE BOX 655303

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

5.5

V

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

IOH

High-level output current

–48

mA

IOL

Low-level output current

48

mA

TA

Operating free-air temperature

0

70

°C

† This high sink- or source-current device is not recommended for use above 40 MHz.

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

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP‡

MAX

UNIT

VIK

VCC = 4.5 V,

II = –18 mA

–1.2

V

VCC = 4.5 V to 5.5 V,

IOH = – 2 mA

VCC –2

VOH

VCC =4 5V

IOH = – 3 mA

2.4

3.2

V

VCC = 4.5 V

IOH = – 48 mA

2

VOL

VCC = 4.5 V,

IOL = 48 mA

0.35

0.5

V

II

VCC = 5.5 V,

VI = 7 V

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

µA

IIL

VCC = 5.5 V,

VI = 0.4 V

– 0.5

mA

IO§

VCC = 5.5 V,

VO = 2.25 V

–50

– 200

mA

ICCH

VCC = 5.5 V,

VI = 4.5 V

5.6

9.5

mA

ICCL

VCC = 5.5 V,

VI = 0

13.5

22

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.

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

RL = 500 Ω,

TA = MIN to MAX¶

UNIT

MIN

MAX

tPLH

AorB

Y

1

6

ns

tPHL

A or B

Y

1

6

ns

¶ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.