74AC16623

16BIT BUS TRANSCEIVER

WITH 3STATE OUTPUTS

SCAS172 − D3680, JANUARY 1991 − REVISED APRIL 1993

POST OFFICE BOX 655303

POST OFFICE BOX 1443

3−3

recommended operating conditions (see Note 2)

MIN

NOM

MAX

UNIT

VCC

Supply voltage

3

5

5.5

V

VCC = 3 V

2.1

VIH

High-level input voltage

VCC = 4.5 V

3.15

V

VIH

High-level input voltage

VCC = 5.5 V

3.85

V

VCC = 3 V

0.9

VIL

Low-level input voltage

VCC = 4.5 V

1.35

V

VIL

Low-level input voltage

VCC = 5.5 V

1.65

V

VI

Input voltage

0

VCC

V

VO

Output voltage

0

VCC

V

VCC = 3 V

−4

IOH

High-level output current

VCC = 4.5 V

−24

mA

IOH

High-level output current

VCC = 5.5 V

−24

mA

VCC = 3 V

12

IOL

Low-level output current

VCC = 4.5 V

24

mA

IOL

Low-level output current

VCC = 5.5 V

24

mA

∆t/∆v

Input transition rise or fall rate

0

10

ns/ V

TA

Operating free-air temperature

−40

85

°C

NOTE 2: Unused or floating pins (input or I/O) must be held high or low.

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

IOL = − 24 mA

4.5 V

3.94

3.8

V

IOL = − 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

Control inputs

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

Control inputs

VI = VCC or GND

5 V

4.5

pF

Cio

A or B ports

VO = VCC or GND

5 V

16

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.