MC145168
MC145168 is Dual PLLs for 46/49 MHz Cordless Telephones manufactured by Motorola Semiconductor.
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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Dual PLLs for 46/49 MHz Cordless Telephones
MC145169
CMOS
These devices are dual phase- locked loop frequency synthesizers intended for use primarily in 46/49 MHz cordless phones with up to 15 channels. These parts contain two mask- programmable counter ROMs for receive and transmit loops with two independent phase detect circuits. A mon reference oscillator and reference divider are shared by the receive and transmit circuits. Other Features include a lock detect circuit for the transmit loop, illegal code default, a buffered oscillator output for mixing purposes in the system, and...
