MC74VHC132 Datasheet, PDF (4/6 Pages) Motorola, Inc – Quad 2-Input NAND Schmitt Trigger

MC74VHC132
A 50%
tPLH
Y 50% VCC
VCC
GND
tPHL
Figure 1. Switching Waveforms
4
3
2
1
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
* Includes all probe and jig capacitance
Figure 2. Test Circuit
(VT+)
(VT–)
VHtyp
2
3
4
5
6
VCC, POWER SUPPLY VOLTAGE (VOLTS)
VHtyp = (VT+ typ) – (VT– typ)
Figure 3. Typical Input Threshold, VT+, VT– versus Power Supply Voltage
(a) A Schmitt–Trigger Squares Up Inputs With Slow Rise and Fall Times
VCC
VH
Vin
VT+
VT–
GND
(b) A Schmitt–Trigger Offers Maximum Noise Immunity
VCC
VH
Vin
VT+
VT–
GND
VOH
VOH
Vout
Vout
VOL
VOL
Figure 4. Typical Schmitt–Trigger Applications
MOTOROLA
INPUT
Figure 5. Input Equivalent Circuit
4
VHC Data – Advanced CMOS Logic
DL203 — Rev 0