6V49205B
Freescale P10XX and P20XX System
Clock with Selectable DDR Frequency
DATASHEET
Description
Typical Applications
The 6V49205B is a main clock for Freescale P10xx and
P20xx-based systems. It has a selectable System CCB clock
and 2 DDRCLK speeds – 100M or 66.66M. The 6V49205B
also provides LP-HCSL PCIe outputs for low power and
reduced board space.
System Clock for Freescale P10xx and P20xx-based designs
Features
• Replaces 11 crystals, 2 oscillators and 3 clock generators;
lowers cost, power and area
• Integrated terminations on LP-HCSL PCIe outputs;
Output Features
• 1 – Sys_CCB 3.3V LVCMOS output at 100M/83.33M/
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80M/66.66M
1 – DDRCLK 3.3V LVCMOS output at 100M or 66.66M 1
1 – 125M 3.3V LVCMOS output
6 – LP-HCSL PCIe pairs selectable at 100M or 125M
6 – 25MHz 3.3V LVCMOS outputs
2 – 2.048M 3.3V LVCMOS outputs
2 – USB 3.3V LVCMOS outputs at12M or 24M
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Key Specifications
eliminate 24 resistors, saving 41mm2 of board area
Industrial temperature range operation; supports
demanding environmental conditions
Advanced 3.3V CMOS process; high-performance,
low-power
Supports independent spread spectrum on
Sys_CCB/DDRCLK and PCIe outputs
Available in 48-pin TSSOP and space-saving 7 x 7 mm
48-pin VFQFPN with 0.5mm pad pitch; reduced board
space without the need for fine-pitch assembly techniques
• PCIe Gen1–2–3 compliant
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