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MC145151 PLL Integrated Circuits


The MC145151–2 is programmed by 14 parallel–input data lines for the N counter and three input lines for the R counter. The device features consist of a reference oscillator, selectable–reference divider, digital–phase detector, and 14–bit programmable divide–by–N counter.

&127; Operating Temperature Range: – 40 to 85C
&127; Low Power Consumption Through Use of CMOS Technology
&127; 3.0 to 9.0 V Supply Range
&127; On– or Off–Chip Reference Oscillator Operation
&127; Lock Detect Signal
&127; N Counter Output Available
&127; Single Modulus/Parallel Programming
&127; 8 User–Selectable R Values: 8, 128, 256, 512, 1024, 2048, 2410, 8192
&127; N Range = 3 to 16383
&127; “Linearized” Digital Phase Detector Enhances Transfer Function Linearity
&127; Two Error Signal Options: Single–Ended (Three–State) or Double–Ended
&127; Chip Complexity: 8000 FETs or 2000 Equivalent Gates

PinNameDecription
1FINFrequency input - Max. 30MHz
2GNDGround
3VDDV+ (5 Volt)
4PDOUTPhase Comparator Output
5RA0Reference divider Program input 0
6RA1Reference divider Program input 1
7RA2Reference divider Program input 2
8RPhase Comparator output
9VPhase Comparator output
10f>SUB>VProgram divider output
11P0Program input 0
12P1Program input 1
13P2Program input 2
14P3Program input 3
15P4Program input 4
16P5Program input 5
17P6Program input 6
18P7Program input 7
19P8Program input 8
20P9Program input 9
21T/RTransmit / Receive
22P12Program input 12
23P13Program input 13
24P10Program input 10
25P11Program input 11
26ROReferance Osc. Output
27RIReferance Osc. Input
28LDLoop Detect Output

Explanation of pin function terms



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