MC145151-2 Datasheet, PDF (2/24 Pages) Freescale Semiconductor, Inc – PLL Frequency Synthesizers (CMOS)

MC145151-2 Parallel-Input (Interfaces with Single-Modulus Prescalers)
1 MC145151-2 Parallel-Input (Interfaces with
Single-Modulus Prescalers)
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.
The MC145151-2 is an improved-performance drop-in replacement for the MC145151-1. The power
consumption has decreased and ESD and latch-up performance have improved.
1.1 Features
• 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
f_in ¹ •
V_SS 2
V_DD 3
PD_out 4
RA0 5
RA1 6
RA2 7
φ_R 8
φ_V 9
f_V 10
N0 11
N1 12
N2 13
N3 14
28 LD
27 OSC_in
26 OSC_out
25 N11
24 N10
23 N13
22 N12
21 T/R
20 N9
19 N8
18 N7
17 N6
16 N5
15 N4
Figure 1. MC145151-2 Pin Assignment
MC145151-2 and MC145152-2 Technical Data, Rev. 5
2
Freescale Semiconductor