Using the DC operating conditions from the following table, give the noise margin HIGH (NMH) for the 74HC logic family with Vcc=+3.4v. DC Operating Conditions for a Sample of 7400 Series Logic Families DC Operating Condition Logic Family Speed (MHz) Year Vcc VOHmax VOHmin VOLmax VOLmin VIHmax VIHmin VILmax VILmin Icc lomax (H/L) Orig. (TTL) 1964 +5 +5 +2.4 +0.4 GND +5 +2 +0.8 GND 40m -4/+16m 25 LS (TTL) 1976 +5 +5 +2.4 +0.4 GND +5 +2 +0.8 GND 8.8m -4/+8m 40 HC (CMOS) 1982 +2-6 Vcc 0.8 Vcc 0.33 GND Vcc 0.7 Vcc 0.3.Vcc GND 40u +/-25m 50 AC (CMOS) 1985 +2-6 Vcc 0.8 Vcc 0.33 GND Vcc 0.7 Vcc 0.3•Vcc GND 80u +/-50m 125 Note 1: All voltage specifications have units of volts. All current specifications have units of amps. Note 2: The Vo and V, specifications for the AC and HC logic families are worst case and vary depending on the Vcc selection and the output current. Note 3: All specifications are given for the commercial temperature range (74 series).

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Using the DC operating conditions from the following table, give the noise margin HIGH (NMH) for the 74HC logic family with Vcc=+3.4v.
DC Operating Conditions for a Sample of 7400 Series Logic Families
DC Operating Condition
Logic
Family
Speed
(MHz)
Year
Vcc VOHmax VOHmin VOLmax VOLmin VIHmax VIHmin
ILmax VILmin
Ic
lomax (H/L)
Orig. (TTL) 1964
+5
+5
+2.4
+0.4
GND
+5
+2
+0.8
GND
40m
-4/+16m
25
LS (TTL) 1976
+5
+5
+2.4
+0.4
GND
+5
+2
+0.8
GND
8.8m
-4/+8m
40
HC (CMOS) 1982 +2-6
Vcc
0.8.Vcc 0.33
GND
Vcc
0.7.Vcc 0.3.Vcc GND
40u
+/-25m
50
AC (CMOS) 1985 +2-6
Vcc
0.8.Vcc 0.33
GND
Vcc
0.7 Vcc 0.3.Vcc GND
80u
+/-50m
125
Note 1: All voltage specifications have units of volts. All current specifications have units of amps.
Note 2: The Vo and V, specifications for the AC and HC logic families are worst case and vary
depending on the Vcc selection and the output current.
Note 3: All specifications are given for the commercial temperature range (74 series).
1.17v
0.5v
0.34v
0.4v
Transcribed Image Text:Using the DC operating conditions from the following table, give the noise margin HIGH (NMH) for the 74HC logic family with Vcc=+3.4v. DC Operating Conditions for a Sample of 7400 Series Logic Families DC Operating Condition Logic Family Speed (MHz) Year Vcc VOHmax VOHmin VOLmax VOLmin VIHmax VIHmin ILmax VILmin Ic lomax (H/L) Orig. (TTL) 1964 +5 +5 +2.4 +0.4 GND +5 +2 +0.8 GND 40m -4/+16m 25 LS (TTL) 1976 +5 +5 +2.4 +0.4 GND +5 +2 +0.8 GND 8.8m -4/+8m 40 HC (CMOS) 1982 +2-6 Vcc 0.8.Vcc 0.33 GND Vcc 0.7.Vcc 0.3.Vcc GND 40u +/-25m 50 AC (CMOS) 1985 +2-6 Vcc 0.8.Vcc 0.33 GND Vcc 0.7 Vcc 0.3.Vcc GND 80u +/-50m 125 Note 1: All voltage specifications have units of volts. All current specifications have units of amps. Note 2: The Vo and V, specifications for the AC and HC logic families are worst case and vary depending on the Vcc selection and the output current. Note 3: All specifications are given for the commercial temperature range (74 series). 1.17v 0.5v 0.34v 0.4v
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