MC74VHCT14A Datasheet, PDF (3/8 Pages) ON Semiconductor – Hex Schmitt Inverter

MC74VHCT14A
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns)}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _Symbol
Parameter
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{tPLH, MaximumPropagation}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL Delay,AtoY
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{CIN MaximumInput}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _Capacitance
Test Conditions
VCC = 3.3 ± 0.3 V
VCC = 5.0 ± 0.5 V
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
TA = 25°C
Min Typ Max
8.3 12.8
10.8 16.3
5.5 8.6
7.0 10.6
4
10
TA ≤ 85°C
Min Max
1.0 15.0
1.0 18.5
1.0 10.0
1.0 12.0
10
TA ≤ 125°C
Min Max Unit
1.0 17.0 ns
1.0 20.5
1.0 11.5
1.0 13.5
10 pF
Typical @ 25°C, VCC = 5.0 V
CPD Power Dissipation Capacitance (Note 1.)
21
pF
1. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Averageoperatingcurrentcanbeobtainedbytheequation:ICC(OPR₎=CPD  VCC  fin+ICC / 6(perbuffer).CPDisusedtodeterminetheno–load
dynamic power consumption; PD = CPD  VCC2  fin + ICC  VCC.
NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0 V)
Symbol
VOLP
VOLV
VIHD
VILD
Characteristic
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
A 1.5V
tPLH
Y
1.5V
3.0V
GND
tPHL
VOH
VOL
TA = 25°C
Typ
Max
Unit
0.4
0.8
V
– 0.4
– 0.8
V
3.5
V
1.5
V
TEST POINT
OUTPUT
DEVICE
UNDER
TEST
CL*
Figure 1. Switching Waveforms
* Includes all probe and jig capacitance
Figure 2. Test Circuit
(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 3. Typical Schmitt–Trigger Applications
VHC Data – Advanced CMOS Logic
3
DL203 — Rev 1
MOTOROLA