SN54LV14A, SN74LV14A

HEX SCHMITT TRIGGER INVERTERS

SCLS386J − SEPTEMBER 1997 − REVISED APRIL 2005

3

POST OFFICE BOX 655303

recommended operating conditions (see Note 5)

SN54LV14A

SN74LV14A

UNIT

MIN

MAX

MIN

MAX

UNIT

VCC

Supply voltage

2

5.5

2

5.5

V

VI

Input voltage

0

5.5

0

5.5

V

VO

Output voltage

0

VCC

0

VCC

V

VCC = 2 V

−50

−50

µA

IOH

High-level output current

VCC = 2.3 V to 2.7 V

−2

−2

IOH

High-level output current

VCC = 3 V to 3.6 V

−6

−6

mA

VCC = 4.5 V to 5.5 V

−12

−12

mA

VCC = 2 V

50

50

µA

IOL

Low-level output current

VCC = 2.3 V to 2.7 V

2

2

IOL

Low-level output current

VCC = 3 V to 3.6 V

6

6

mA

VCC = 4.5 V to 5.5 V

12

12

mA

TA

Operating free-air temperature

−55

125

−40

85

°C

NOTE 5: 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.

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

SN54LV14A

SN74LV14A

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

VT+

2.5 V

1.75

1.75

VT+

Positive-going

threshold

3.3 V

2.31

2.31

V

Positive-going

threshold

5 V

3.5

3.5

V

VT−

2.5 V

0.75

0.75

VT−

Negative-going

threshold

3.3 V

0.99

0.99

V

Negative-going

threshold

5 V

1.5

1.5

V

∆VT

2.5 V

0.25

1

0.25

1

∆VT

Hysteresis (VT+ − VT−)

3.3 V

0.33

1.32

0.33

1.32

V

Hysteresis (VT+ − VT−)

5 V

0.5

2

0.5

2

V

IOH = −50 µA

2 V to 5.5 V

VCC − 0.1

VCC − 0.1

VOH

IOH = −2 mA

2.3 V

2

2

V

VOH

IOH = −6 mA

3 V

2.48

2.48

V

IOH = −12 mA

4.5 V

3.8

3.8

IOL = 50 µA

2 V to 5.5 V

0.1

0.1

VOL

IOL = 2 mA

2.3 V

0.4

0.4

V

VOL

IOL = 6 mA

3 V

0.44

0.44

V

IOL = 12 mA

4.5 V

0.55

0.55

II

VI = VCC or GND

0 V to 5.5 V

±1

±1

µA

ICC

VI = VCC or GND,

IO = 0

5.5 V

20

20

µA

Ioff

VI or VO = 0 to 5.5 V

0 V

5

5

µA

Ci

VI = VCC or GND

3.3 V

2.3

2.3

pF

Ci

VI = VCC or GND

5 V

2.3

2.3

pF

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.