MC74HC132A Datasheet, PDF (4/8 Pages) ON Semiconductor – Quad 2-Input NAND Gate with Schmitt-Trigger Inputs

MC74HC132A
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VHtyp
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VCC, POWER SUPPLY VOLTAGE (VOLTS)
VHtyp = (VT ₊ typ) – (VT _– typ)
Figure 3. Typical Input Threshold, VT+, VT–
Versus Power Supply Voltage
VCC
Vin
(a) A SCHMITT TRIGGER SQUARES UP INPUTS
(a) WITH SLOW RISE AND FALL TIMES
VCC
VH
Vin
VT ₊
VT _–
GND
VOH
Vout
(b) A SCHMITT TRIGGER OFFERS MAXIMUM NOISE
(b) IMMUNITY
VCC
VH
Vin
VT ₊
VT _–
GND
VOH
Vout
Vout
VOL
VOL
Figure 4. Typical Schmitt–Trigger Applications
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