54F169LMQB.
Counter Single 4-Bit Sync Binary UP/Down 20-Pin CLLCC

From NATIONAL SEMICONDUCTOR

Logic FamilyF
Logical FunctionCounter
MountingSurface Mount
Number of Elements1
Number of Bits4
Operating Supply Voltage (Max)5.5(V)
Operating Supply Voltage (Min)4.5(V)
Operating Supply Voltage (Typ)5(V)
Operating Temp Range-55C to 125C
Operating Temperature ClassificationMilitary
Pin Count20
Propagation Delay Time20(ns)
Rad HardenedNo
TechnologyBipolar
TypeBinary

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