SN5414, SN54LS14,

SN7414, SN74LS14

HEX SCHMITT-TRIGGER INVERTERS

SDLS049B – DECEMBER 1983 – REVISED FEBRUARY 2002

11

POST OFFICE BOX 655303

Figure 14

0.8

0.4

0.2

0

1.2

1.4

THRESHOLD VOLTAGES AND HYSTERESIS

vs

SUPPLY VOLTAGE

2.0

1.0

0.6

TA = 25°C

1.6

1.8

VCC – Supply Voltage – V

4.75

4.5

5

5.25

5.5

Positive-Going Threshold Voltage, VT+

Negative-Going Threshold Voltage, VT–

Hysteresis, VT+ – VT–

Figure 15

0.4

0

1

0

0.8

2

OUTPUT VOLTAGE

vs

INPUT VOLTAGE

4

1.2

2

3

VI – Input Voltage – V

VCC = 5 V

TA = 25°C

1.6

VT–

VT+

† Data for temperatures below 0

°C and above 70°C and supply voltage below 4.75 V and above 5.25 V are applicable for SN5414 only.