SN54ACT16244, 74ACT16244

16-BIT BUFFERS/LINE DRIVERS

WITH 3-STATE OUTPUTS

SCAS116B – MARCH 1990 – REVISED APRIL 1996

4

POST OFFICE BOX 655303

recommended operating conditions (see Note 3)

SN54ACT16244

74ACT16244

UNIT

MIN

MAX

MIN

MAX

UNIT

VCC

Supply voltage (see Note 4)

4.5

5.5

4.5

5.5

V

VIH

High-level input voltage

2

2

V

VIL

Low-level input voltage

0.8

0.8

V

VI

Input voltage

0

VCC

0

VCC

V

VO

Output voltage

0

VCC

0

VCC

V

IOH

High-level output current

–24

–24

mA

IOL

Low-level output current

24

24

mA

∆t/∆v

Input transition rise or fall rate

0

10

0

10

ns/V

TA

Operating free-air temperature

–55

125

–40

85

°C

NOTES:

3. Unused inputs should be tied to VCC through a pullup resistor of approximately 5 kW or greater to prevent them from floating.

4. All VCC and GND pins must be connected to the proper voltage supply.

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

SN54ACT16244

74ACT16244

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

IOH =50 mA

4.5 V

4.4

4.4

4.4

IOH = –50 mA

5.5 V

5.4

5.4

5.4

VOH

IOH =24 mA

4.5 V

3.94

3.7

3.8

V

VOH

IOH = –24 mA

5.5 V

4.94

4.7

4.8

V

IOH = –50 mA{

5.5 V

3.85

IOH = –75 mA{

5.5 V

3.85

IOL =50 mA

4.5 V

0.1

0.1

0.1

IOL = 50 mA

5.5 V

0.1

0.1

0.1

VOL

IOL =24mA

4.5 V

0.36

0.5

0.44

V

VOL

IOL = 24 mA

5.5 V

0.36

0.5

0.44

V

IOL = 50 mA{

5.5 V

1.65

IOL = 75 mA{

5.5 V

1.65

II

VI = VCC or GND

5.5 V

±0.1

±1

±1

mA

IOZ

VO = VCC or GND

5.5 V

±0.5

±10

±5

mA

ICC

VI = VCC or GND, IO = 0

5.5 V

8

160

80

mA

∆ICC}

One input at 3.4 V,

Other inputs at GND or VCC

5.5 V

0.9

1

1

mA

Ci

VI = VCC or GND

5 V

4.5

pF

Co

VO = VCC or GND

5 V

13.5

pF

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

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