仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Fanout Buffer (Distribution) |
| NumberofCircuits | 1 |
| Ratio-Input:Output | 1:4 |
| Differential-Input:Output | No/No |
| Input | LVCMOS, LVTTL |
| Output | LVCMOS, LVTTL |
| Frequency-Max | 180 MHz |
| Voltage-Supply | 3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The NB3N551DR2G is a 3.3V programmable clock generator from ON Semiconductor, designed for high-performance applications. It features a 1:5 LVCMOS fanout buffer with low additive jitter, making it ideal for networking, telecommunications, and computing systems.
Key specifications:
- Input frequency range: 8 MHz to 200 MHz
- Output frequency range: 8 MHz to 200 MHz (1:1) or 16 MHz to 400 MHz (1:2)
- Five LVCMOS outputs with individual enable/disable control
- Low jitter: <1 ps RMS (12 kHz–20 MHz)
- 3.3V operation with 5V-tolerant inputs
The device supports spread spectrum modulation for EMI reduction and offers programmable features via I²C interface. Its compact TSSOP-16 package suits space-constrained designs.
Applications include FPGA/ASIC clock distribution, servers, and storage systems.
For detailed specs, refer to the ON Semiconductor datasheet.
Key specifications:
- Input frequency range: 8 MHz to 200 MHz
- Output frequency range: 8 MHz to 200 MHz (1:1) or 16 MHz to 400 MHz (1:2)
- Five LVCMOS outputs with individual enable/disable control
- Low jitter: <1 ps RMS (12 kHz–20 MHz)
- 3.3V operation with 5V-tolerant inputs
The device supports spread spectrum modulation for EMI reduction and offers programmable features via I²C interface. Its compact TSSOP-16 package suits space-constrained designs.
Applications include FPGA/ASIC clock distribution, servers, and storage systems.
For detailed specs, refer to the ON Semiconductor datasheet.
Equivalent
Equivalent products to the NB3N551DR2G (3.3V LVCMOS Clock Fanout Buffer) include:
- NB3N551DG (Same specs, different package)
- NB3N501DG (Similar, with enable pin)
- MC100EP11DG (Differential output alternative)
- CY2305SXC-1 (3.3V fanout buffer)
Check datasheets for exact compatibility.
- NB3N551DG (Same specs, different package)
- NB3N501DG (Similar, with enable pin)
- MC100EP11DG (Differential output alternative)
- CY2305SXC-1 (3.3V fanout buffer)
Check datasheets for exact compatibility.
Features
The NB3N551DR2G is a 3.3V LVCMOS/LVTTL clock generator with the following key features:
- Input Frequency Range: 1MHz to 133MHz
- Output Frequency Range: 1MHz to 200MHz
- Low Jitter: <0.7ps RMS (typical)
- Differential Outputs: LVPECL or LVDS (selectable)
- Single-Ended Outputs: LVCMOS/LVTTL
- Supply Voltage: 3.3V ±10%
- Low Power Consumption: ~85mA (typical)
- Spread Spectrum Modulation: Optional for EMI reduction
- Package: 16-TSSOP
Ideal for high-speed networking, telecom, and computing applications requiring precise clock generation.
- Input Frequency Range: 1MHz to 133MHz
- Output Frequency Range: 1MHz to 200MHz
- Low Jitter: <0.7ps RMS (typical)
- Differential Outputs: LVPECL or LVDS (selectable)
- Single-Ended Outputs: LVCMOS/LVTTL
- Supply Voltage: 3.3V ±10%
- Low Power Consumption: ~85mA (typical)
- Spread Spectrum Modulation: Optional for EMI reduction
- Package: 16-TSSOP
Ideal for high-speed networking, telecom, and computing applications requiring precise clock generation.
Pinout
The NB3N551DR2G is a 3.3V programmable clock generator in an 8-pin SOIC package.
Pin Functions:
1. OE (Output Enable) – Enables/disables outputs.
2. GND – Ground.
3. XTAL_OUT – Crystal oscillator output.
4. XTAL_IN – Crystal oscillator input.
5. VDD – Power supply (3.3V).
6. SEL – Frequency selection input.
7. OUT – Clock output.
8. NC – No connection.
Key Features:
- Generates fixed or selectable clock frequencies.
- Supports crystal or external reference input.
- Low-jitter output for timing applications.
Pin Functions:
1. OE (Output Enable) – Enables/disables outputs.
2. GND – Ground.
3. XTAL_OUT – Crystal oscillator output.
4. XTAL_IN – Crystal oscillator input.
5. VDD – Power supply (3.3V).
6. SEL – Frequency selection input.
7. OUT – Clock output.
8. NC – No connection.
Key Features:
- Generates fixed or selectable clock frequencies.
- Supports crystal or external reference input.
- Low-jitter output for timing applications.
Application
The NB3N551DR2G is a clock generator and multiplier IC, commonly used in:
- Computing: Clock distribution in PCs, servers, and embedded systems.
- Networking: Synchronization in routers, switches, and communication equipment.
- Consumer Electronics: TVs, set-top boxes, and gaming consoles for timing control.
- Industrial Systems: Precision timing in automation and measurement devices.
- Automotive: Infotainment and telematics systems requiring stable clock signals.
It provides low-jitter, high-frequency clock signals, making it ideal for applications needing precise timing.
- Computing: Clock distribution in PCs, servers, and embedded systems.
- Networking: Synchronization in routers, switches, and communication equipment.
- Consumer Electronics: TVs, set-top boxes, and gaming consoles for timing control.
- Industrial Systems: Precision timing in automation and measurement devices.
- Automotive: Infotainment and telematics systems requiring stable clock signals.
It provides low-jitter, high-frequency clock signals, making it ideal for applications needing precise timing.
