SN74LV123AQ1

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

WITH SCHMITT TRIGGER INPUTS

SCLS467B − FEBRUARY 2003 − REVISED MAY 2004

4

POST OFFICE BOX 655303

recommended operating conditions (see Note 4)

MIN

MAX

UNIT

VCC

Supply voltage

2

5.5

V

VCC = 2 V

1.5

VIH

High-level input voltage

VCC = 2.3 V to 2.7 V

VCC × 0.7

V

VIH

High-level input voltage

VCC = 3 V to 3.6 V

VCC × 0.7

V

VCC = 4.5 V to 5.5 V

VCC × 0.7

VCC = 2 V

0.5

VIL

Low-level input voltage

VCC = 2.3 V to 2.7 V

VCC × 0.3

V

VIL

Low-level input voltage

VCC = 3 V to 3.6 V

VCC × 0.3

V

VCC = 4.5 V to 5.5 V

VCC × 0.3

VI

Input voltage

0

5.5

V

VO

Output voltage

0

VCC

V

VCC = 2 V

−50

µA

IOH

High-level output current

VCC = 2.3 V to 2.7 V

−2

IOH

High-level output current

VCC = 3 V to 3.6 V

−6

mA

VCC = 4.5 V to 5.5 V

−12

mA

VCC = 2 V

50

µA

IOL

Low-level output current

VCC = 2.3 V to 2.7 V

2

IOL

Low-level output current

VCC = 3 V to 3.6 V

6

mA

VCC = 4.5 V to 5.5 V

12

mA

Rext

External timing resistance

VCC = 2 V

5

k

Ω

Rext

External timing resistance

VCC ≥ 3 V

1

k

Ω

Cext

External timing capacitance

No restriction

pF

∆t/∆VCC

Power-up ramp rate

1

ms/V

TA

Operating free-air temperature

−40

105

°C

NOTE 4: 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.