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MC145168DWMOTOROLAN/a38avaiDual PLLs for 46/49 MHz Cordless Telephones
MC145168PMOTN/a209avaiDual PLLs for 46/49 MHz Cordless Telephones
MC145169DWMOTOROLA ?N/a79avaiDual PLLs for 46/49 MHz Cordless Telephones
MC145169PMOTON/a257avaiDual PLLs for 46/49 MHz Cordless Telephones


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MC145168DW-MC145168P-MC145169DW-MC145169P
Dual PLLs for 46/49 MHz Cordless Telephones
Advance Information ---
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 common 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 a
5.0 kHz tone output. Maximum Operating Frequency: 60 MHz @ Vin = 200 mV p–p Operating Temperature Range: – 40 to + 75°C Operating Voltage Range: 2.5 to 5.5 V On–Chip Oscillator Circuit Supports External Crystal Operating Power Consumption: 3.0 mA @ 3.0 V Lock Detect Signal Standby Mode for Power Savings: 1.5 mA @ 3.0 V Two Versions:
MC145168— Up to 15–Channel ROM with 4–Bit Binary Code Input for
Channel Pair Selection
MC145169— Up to 15–Channel ROM with Serial Interface for Channel
Pair Selection Custom 20–Channel ROM Versions of the MC145169 are Possible;
Consult Factory
MC145168
PIN ASSIGNMENTS
MC145169

VSS
PD1
fin1
VDD
OSCin
fin2
PD2
5 k
MODE
OSCout
VSS
PD1
fin1
VDD
OSCin
fin2
PD2
5 k
MODE
OSCout
ENB
CLK
DATA
NC = NO CONNECTION
This document contains information on a new product. Specifications and information herein are subject to change without notice.
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