MM74C90N Fairchild Semiconductor, MM74C90N Datasheet - Page 3

• Manufacturer Part Number: MM74C90N
• Description: IC COUNTER DECADE 4BIT 14-DIP
• Manufacturer: Fairchild Semiconductor
• Series: 74Cr

Specifications of MM74C90N

• Logic Type: Counter, Decade
• Direction: Up
• Number Of Elements: 1
• Number Of Bits Per Element: 4
• Count Rate: 5MHz
• Trigger Type: Negative Edge
• Voltage - Supply: 3 V ~ 15 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Reset: -
• Timing: -
• Other names: 74C90; 74C90N

Function Tables
R
H
H
X
X
L
L
X
R
01
H
X
L
01
Inputs
Reset
Reset Inputs
R
H
H
X
X
X
L
L
02
R
H
X
L
02
Reset/Count Function Table
Reset/Count Function Table
R
X
H
X
X
L
L
L
91
Q
R
L
D
X
H
X
X
L
L
L
92
3
Q
H
L
L
Q
D
L
C
Output
Count
Count
Q
L
L
L
C
Output
Count
Count
Count
Count
Q
L
B
Q
L
L
L
B
Q
L
Q
A
H
L
L
A
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