74AC11643

OCTAL BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCAS057A − JULY 1987 − REVISED APRIL 1993

3

POST OFFICE BOX 655303

POST OFFICE BOX 1443

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

3 V

2.9

2.9

IOH = − 50 µA

4.5 V

4.4

4.4

IOH = − 50 µA

5.5 V

5.4

5.4

VOH

IOH = − 4 mA

3 V

2.58

2.48

V

VOH

IOH = − 24 mA

4.5 V

3.94

3.8

V

IOH = − 24 mA

5.5 V

4.94

4.8

IOH = − 75 mA†

5.5 V

3.85

3 V

0.1

0.1

IOL = 50 µA

4.5 V

0.1

0.1

IOL = 50 µA

5.5 V

0.1

0.1

VOL

IOL = 12 mA

3 V

0.36

0.44

V

VOL

IOL = 24 mA

4.5 V

0.36

0.44

V

IOL = 24 mA

5.5 V

0.36

0.44

IOL = 75 mA†

5.5 V

1.65

II

OE or DIR

VI = VCC or GND

5.5 V

±0.1

±1

µA

IOZ‡

A or B ports

VO = VCC or GND

5.5 V

±0.5

±5

µA

ICC

VI = VCC or GND,

IO = 0

5.5 V

8

80

µA

Ci

OE or DIR

VI = VCC or GND

5 V

4

pF

Cio

A or B ports

VO = VCC or GND

5 V

12

pF

† Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.

‡ For I/O ports, the parameter IOZ includes the input leakage current.

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

MIN

MAX

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

UNIT

tPLH

A or B

B or A

1.5

7.4

10.1

1.5

11.3

ns

tPHL

A or B

B or A

1.5

6.6

8.7

1.5

10

ns

tPZH

OE

A or B

1.5

9.4

11.8

1.5

13.3

ns

tPZL

OE

A or B

1.5

8.9

11.4

1.5

13

ns

tPHZ

OE

A or B

1.5

8.3

10.1

1.5

10.9

ns

tPLZ

OE

A or B

1.5

8.9

10.9

1.5

12

ns