SN74ALVCH16821

3.3-V 20-BIT BUS-INTERFACE FLIP-FLOP

WITH 3-STATE OUTPUTS

SCES037C – JULY 1995 – REVISED FEBRUARY 1999

4

POST OFFICE BOX 655303

recommended operating conditions (see Note 4)

MIN

MAX

UNIT

VCC

Supply voltage

1.65

3.6

V

VCC = 1.65 V to 1.95 V

0.65

× VCC

VIH

High-level input voltage

VCC = 2.3 V to 2.7 V

1.7

V

VCC = 2.7 V to 3.6 V

2

VCC = 1.65 V to 1.95 V

0.35

× VCC

VIL

Low-level input voltage

VCC = 2.3 V to 2.7 V

0.7

V

VCC = 2.7 V to 3.6 V

0.8

VI

Input voltage

0

VCC

V

VO

Output voltage

0

VCC

V

VCC = 1.65 V

–4

IOH

High level output current

VCC = 2.3 V

–12

mA

IOH

High-level output current

VCC = 2.7 V

–12

mA

VCC = 3 V

–24

VCC = 1.65 V

4

IOL

Low level output current

VCC = 2.3 V

12

mA

IOL

Low-level output current

VCC = 2.7 V

12

mA

VCC = 3 V

24

∆t/∆v

Input transition rise or fall rate

10

ns/V

TA

Operating free-air temperature

–40

85

°C

NOTE 4: All unused control 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.