5V41315PGGI Renesas

DATASHEET 2 OUTPUT PCIE GEN1-2-3 SYNTHESIZER IDT5V41315 Recommended Applications Features/Benefits PCIe Gen1-2-3 Synthesizer for Common and 16-pin TSSOP or VFQFPN package small board SRNS-clocked systems footprint Outputs can be terminated to LVDS can drive a wider variety of devices General Description OE control pin greater system power management The IDT5V41315 is a PCIe Gen1-2-3 clock synthesizer Industrial temperature range available supports suitable for use in both Common-Clocked and Separate demanding embedded applications Reference clock with No Spread (SRNS) timing architectures. The IDT5V41315 uses a 25MHz input to generate 4 different output frequencies. The output Key Specifications frequency is selectable via select pins. Cycle-to-cycle jitter: 80ps Output-to-output skew: <50 ps Output Features PCIe Gen2 phase jitter: <3.0ps RMS (Common Clock) 2 - 0.7V current mode differential HCSL output pairs PCIe Gen3 phase jitter: <1.0ps RMS (Common Clock) Low Phase Noise: 12KHz to 20MHz <6ps RMS Block Diagram VDD 2 CLK0 Control CLK0 Logic S1:S0 2 Phase Lock Loop CLK1 X1/ICLK Clock CLK1 Buffer/ 25 MHz Crystal crystal or clock Oscillator X2 2 Optional tuning crystal Rr(IREF) capacitors GND OE IDT 2 OUTPUT PCIE GEN1-2-3 SYNTHESIZER 1 IDT5V41315 REV D 060115IDT5V41315 2 OUTPUT PCIE GEN1-2-3 SYNTHESIZER Pin Assignments 1 VDDXD 16 S0 S1 2 CLK0 15 16 15 14 13 NC 3 14 CLK0 S1 1 12 GNDODA X1/ICLK 4 GNDODA NC 2 11 VDDODA 13 5V41315 X1/CLK 3 10 CLK1 X2 5 12 VDDODA X2 4 9 CLK1 OE 6 11 CLK1 56 78 7 10 GNDXD CLK1 8 9 IREF NC 16-pin VFQFPN 16-pin (173 mil) TSSOP Output Select Table 1 (MHz) S1 S0 CLK(1:0), CLK(1:0) 00 25M 0 1 100M 1 0 125M 1 1 200M Pin Descriptions VFQFPN TSSOP Pin Pin Name Pin Type Pin Description Pin Number Number 16 1 S0 Input Select pin 0. See Table1. Internal pull-up resistor. 1 2 S1 Input Select pin 1. See Table 1. Internal pull-up resistor. 2 3 NC -- No connect. 3 4 X1/ICLK Input Crystal or clock input. Connect to a 25 MHz crystal or single ended clock. 4 5 X2 Output Crystal connection. Leave unconnected for clock input. 5 6 OE Input Output enable. Tri-states outputs and device is not shut down. Internal pull-up resistor. 6 7 GNDXD Power Connect to ground. 7 8 NC -- No connect. Precision resistor attached to this pin is connected to the internal current reference, 8 9 IREF Output typically 475 ohm. 9 10 CLK1 Output HCSL complementary clock output 1. 10 11 CLK1 Output HCSL true clock output 1. 11 12 VDDODA Power Connect to voltage supply +3.3 V for output driver and analog circuits 12 13 GNDODA Power Connect to ground. 13 14 CLK0 Output HCSL complementary clock output 0. 14 15 CLK0 Output HCSL true clock output 0. 15 16 VDDXD Power Connect to voltage supply +3.3 V for crystal oscillator and digital circuit. IDT 2 OUTPUT PCIE GEN1-2-3 SYNTHESIZER 2 IDT5V41315 REV D 060115 OE S0 GNDXD VDDXD NC CLK0 IREF CLK0