74ACT16254

16BIT ADDRESS/DATA MULTIPLEXER

WITH 3STATE OUTPUTS

SCAS527A − AUGUST 1995 − NOVEMBER 1995

4

POST OFFICE BOX 655303

POST OFFICE BOX 1443

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,

IOH = −100 µA

3

VOH

VCC = 5.5 V,

IOH = −100 µA

4.2

V

VOH

VCC = 4.5 V,

IOH = −12 mA

3

V

VOL

VCC = 4.5 V to 5.5 V,

IOL = 100 µA

0.1

V

VOL

VCC = 4.5 V,

IOL = 12 mA

0.4

V

II

VCC = 5.5 V,

VI = VCC or GND

Inputs only

±10

µA

I

hold

VCC= 4.5 V,

VI = 2 V

A, B, or C port

−100

A

I

hold

VCC = 4.5 V,

VI = 0.8 V

A, B, or C port

100

µA

IOZ‡

VCC = 5.5 V,

VO = VCC or GND

±20

µA

ICC

VCC = 5.5 V,

IO = 0,

VI = VCC or GND

50

µA

nICC§

VCC = 5.5 V,

One input at 3.4 V,

500

µA

nICC§

Other inputs at VCC or GND

500

µA

Ci

VCC = 5 V,

VI = VCC or GND

3.5

pF

Cio

VCC = 5 V,

VO = VCC or GND

5

pF

† All typical values are at TA = 25°C.

‡ The parameter IOZ includes the input-leakage current.

§ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.

switching characteristics over recommended ranges of supply voltage and operating free-air

PARAMETER

FROM

TO

TA = 25°C

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

TYP

MAX

UNIT

tpd

A or B

C

1.5

3.7

6.2

ns

tpd

C

A

1.5

3.3

5.5

ns

ten

EN1 or EN2

C

1.5

5.3

9.5

ns

tdis

EN1 or EN2

C

1.5

4.4

8

ns

ten

EN2

A

1.5

6.2

10.5

ns

tdis

EN2

A

1.5

4.8

8

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance

Outputs enabled

CL = 50 pF,

f = 10 MHz

16

pF

Cpd

Power dissipation capacitance

Outputs disabled

CL = 50 pF,

f = 10 MHz

2

pF