SN54ABT162500, SN74ABT162500

18-BIT UNIVERSAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS242E – JUNE 1992 – REVISED FEBRUARY 1999

5

POST OFFICE BOX 655303

recommended operating conditions (see Note 3)

SN54ABT162500

SN74ABT162500

UNIT

MIN

MAX

MIN

MAX

UNIT

VCC

Supply voltage

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

IOH

High level output current

A port

–24

–32

mA

IOH

High-level output current

B port

–12

–12

mA

IOL

Low level output current

A port

48

64

mA

IOL

Low-level output current

B port

12

12

mA

∆t/∆v

Input transition rise or fall rate

Outputs enabled

10

10

ns/V

∆t/∆VCC

Power-up ramp rate

200

200

µs/V

TA

Operating free-air temperature

–55

125

–40

85

°C

NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.