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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Industrial Time Base Generator
The MC14566B industrial time base generator is constructed with MOS P–channel and N–channel enhancement mode devices in a single monolithic structure. This device consists of a divide–by–10 ripple counter and a divide–by–5 or divide–by–6 ripple counter to permit stable time generation from a 50 or 60 Hz line. By cascading this device as divide–by–60 counters, seconds and minutes can be counted and are available in BCD format at the circuit outputs. An internal monostable multivibrator is included whose output can be used as a reset or clock pulse providing additional frequency flexibility. Also a pin has been included to allow divide–by–5 counting for generating 1.0 Hz from European 50 Hz line.
MC14566B Datasheet
