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Specifications
Mfr. Part #:
536BC159M375DGR
Package:
SMD7050-6P
Key Attributes
Model Number:
536BC159M375DGR
Product Description
Product Overview
The Skyworks Si535/536 is an Ultra Low Jitter Crystal Oscillator (XO) that leverages advanced DSPLL circuitry to deliver high-speed differential frequencies with exceptional stability and reliability. Unlike traditional XOs, it utilizes a single fixed crystal to generate a wide range of output frequencies, simplifying design and reducing lead times. Its IC-based design offers superior supply noise rejection, making it ideal for noisy communication system environments. The Si535/536 is factory programmed for immediate deployment.
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Technology: DSPLL circuitry
- Package: Industry-standard 5 x 7 mm, 6-pad
- Compliance: Pb-free/RoHS-compliant
- Certifications: Meets MIL-STD-883 qualification test requirements for Mechanical Shock, Mechanical Vibration, Solderability, Gross & Fine Leak, Resistance to Solder Heat.
- Contact Pads: Gold over Nickel
Technical Specifications
| Model | Description | Frequency Range | Supply Voltage Options | Output Options | Temperature Stability (ppm, max, ) | Total Stability (ppm, max, ) | Package Dimensions (mm) |
|---|---|---|---|---|---|---|---|
| Si535/Si536 | Ultra Low Jitter Crystal Oscillator (XO) | 100 MHz to 312.5 MHz | 3.3 V, 2.5 V | LVPECL, LVDS | 20 ppm (B), 7 ppm (C) | 31.5 ppm (B), 20 ppm (C) | 5 x 7 mm |
Key Features
- Available with select frequencies from 100 MHz to 312.5 MHz
- 3rd generation DSPLL with superior jitter performance and high-power supply noise rejection
- 3x better frequency stability than SAW-based oscillators
- Available with LVPECL and LVDS outputs
- 3.3 and 2.5 V supply options
- Industry-standard 5 x 7 mm package and pinout
- Pb-free/RoHS-compliant
Applications
- 10/40/100G data centers
- 10G Ethernet switches/routers
- Fibre channel/SAS/storage
- Enterprise servers
- Networking
- Telecommunications
Electrical Specifications
| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 3.3 V option | 2.97 | 3.3 | 3.63 | V |
| 2.5 V option | 2.25 | 2.5 | 2.75 | V | ||
| Supply Current | IDD | Output enabled (LVPECL) | 111 | 121 | mA | |
| Output enabled (LVDS) | 90 | 98 | mA | |||
| Tristate mode | IDD | 60 | 75 | mA | ||
| Output Enable (OE) | VIH | 0.75 x VDD | V | |||
| Output Enable (OE) | VIL | 0.5 | V | |||
| Operating Temperature Range | TA | 40 | 85 | C |
Frequency Characteristics
| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Nominal Frequency | fO | LVPECL/LVDS | 100 | 312.5 | MHz | |
| Initial Accuracy | fi | Measured at +25 C at time of shipping | 1.5 | ppm | ||
| Temperature Stability | 1,2 | 7 | +7 | ppm | ||
| 20 | +20 | ppm | ||||
| Aging (1st year) | fa | Frequency drift over first year | 3 | ppm | ||
| Aging (20 year life) | fa | Frequency drift over 20 year life | 10 | ppm | ||
| Total Stability | 2 | Temp stability = 20 ppm | 31.5 | ppm | ||
| Temp stability = 7 ppm | 20 | ppm | ||||
| Powerup Time | tOSC | TA = 40C to +85C | 10 | ms |
Output Levels and Symmetry
| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| LVPECL Output Option | VO | Mid-level | VDD 1.42 | VDD 1.25 | V | |
| Swing (diff) | 1.1 | 1.9 | VPP | |||
| Swing (Single-ended) | 0.55 | 0.95 | VPP | |||
| LVDS Output Option | VO | Mid-level | 1.125 | 1.20 | 1.275 | V |
| Swing (diff) | 0.5 | 0.7 | 0.9 | VPP | ||
| Rise/Fall time (20/80%) | tR, tF | 350 | ps | |||
| Symmetry (duty cycle) | SYM | Differential | 45 | 55 | % |
Phase Jitter
| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Phase Jitter* (RMS) | J | 10 kHz to 1 MHz (data center) | 0.19 | 0.35 | ps | |
| 12 kHz to 20 MHz brickwall | 0.25 | 0.40 | ps |
Period Jitter
| Parameter | Symbol | Test Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Period Jitter* (RMS) | JPER | N = 1000 cycles | 2 | ps | ||
| Peak-to-Peak | JPER | N = 1000 cycles | 14 | ps |
Pin Descriptions
Si535 Series Pinout
| Pin | Symbol | Function |
|---|---|---|
| 1 | NC | No connection |
| 2 | OE | Output enable (0 = disabled, 1 = enabled) |
| 3 | GND | Electrical and Case Ground |
| 4 | CLK+ | Oscillator Output |
| 5 | CLK | Complementary Output |
| 6 | VDD | Power Supply Voltage |
Si536 Series Pinout
| Pin | Symbol | Function |
|---|---|---|
| 1 | OE | Output enable (0 = disabled, 1 = enabled) |
| 2 | NC | No connection |
| 3 | GND | Electrical and Case Ground |
| 4 | CLK+ | Oscillator Output |
| 5 | CLK | Complementary Output |
| 6 | VDD | Power Supply Voltage |
Package Outline Dimensions
| Dimension | Min | Nom | Max |
|---|---|---|---|
| A | 1.50 | 1.65 | 1.80 |
| b | 1.30 | 1.40 | 1.50 |
| c | 0.50 | 0.60 | 0.70 |
| D | 5.00 BSC | ||
| D1 | 4.30 | 4.40 | 4.50 |
| e | 2.54 BSC | ||
| E | 7.00 BSC | ||
| E1 | 6.10 | 6.20 | 6.30 |
| H | 0.55 | 0.65 | 0.75 |
| L | 1.17 | 1.27 | 1.37 |
| p | 1.80 | 2.60 | |
| R | 0.70 REF | ||
| aaa | 0.15 | ||
| bbb | 0.15 | ||
| ccc | 0.10 | ||
| ddd | 0.10 | ||
| eee | 0.05 | ||
PCB Land Pattern Dimensions
| Dimension | Min | C1 | E | X1 | Y1 |
|---|---|---|---|---|---|
| Value (mm) | 4.20 | 2.54 | 1.55 | 1.95 |
2411272144_SKYWORKS-536BC159M375DGR_C17617802.pdf
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