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.

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

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