SN54ABTR2245, SN74ABTR2245

OCTAL TRANSCEIVERS AND LINE/MEMORY DRIVERS

WITH 3-STATE OUTPUTS

SCBS680A – MARCH 1997 – REVISED MAY 1997

4

POST OFFICE BOX 655303

recommended operating conditions (see Note 3)

SN54ABTR2245

SN74ABTR2245

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

–12

–12

mA

IOL

Low-level output current

12

12

mA

∆t/∆v

Input transition rise or fall rate

Outputs enabled

5

5

ns/V

∆t/∆VCC

Power-up ramp rate

200

200

µs/V

TA

Operating free-air temperature

–55

125

–40

85

°C

NOTE 3: Unused pins (input or I/O) must be held high or low to prevent them from floating.

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.