SN74AHCT08-EP

QUADRUPLE 2-INPUT POSITIVE-AND GATE

SCLS490 – JUNE 2003

3

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

MIN

MAX

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

UNIT

VOH

IOH = –50 mA

45 V

4.4

4.5

4.4

V

VOH

IOH = –8 mA

4.5 V

3.94

3.8

V

VOL

IOL = 50 mA

45 V

0.1

0.1

V

VOL

IOL = 8 mA

4.5 V

0.36

0.44

V

II

VI = 5.5 V or GND

0 V to 5.5 V

±0.1

±1

mA

ICC

VI = VCC or GND,

IO = 0

5.5 V

2

20

mA

∆ICC†

One input at 3.4 V,

Other inputs at VCC or GND

5.5 V

1.35

1.5

mA

Ci

VI = VCC or GND

5 V

4

10

pF

† This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

LOAD

TA = 25°C

MIN

MAX

UNIT

PARAMETER

(INPUT)

(OUTPUT)

CAPACITANCE

MIN

TYP

MAX

MIN

MAX

UNIT

tPLH

AorB

Y

CL =15 pF

5

6.9

1

8

ns

tPHL

A or B

Y

CL = 15 pF

5

6.9

1

8

ns

tPLH

AorB

Y

CL =50 pF

5.5

7.9

1

9

ns

tPHL

A or B

Y

CL = 50 pF

5.5

7.9

1

9

ns

PARAMETER

MIN

TYP

MAX

UNIT

VOL(P)

Quiet output, maximum dynamic VOL

0.4

0.8

V

VOL(V)

Quiet output, minimum dynamic VOL

–0.4

–0.8

V

VOH(V)

Quiet output, minimum dynamic VOH

4.4

V

VIH(D)

High-level dynamic input voltage

2

V

VIL(D)

Low-level dynamic input voltage

0.8

V

NOTE 4: Characteristics are for surface-mount packages only.

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance

No load,

f = 1 MHz

18

pF