RTL8309SB
Compact single chip solution for 9-port switch controlRTL8309SB
Compact single chip solution for 9-port switch control
品質保證
品質保證
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運輸與付款
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服務與包裝
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About After Sales Service
All Parts Extended Quality Guarantee
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例子
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捲帶式
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剪膠帶
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管或託盤
RTL8309SB 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
General DescriptionThe RTL8309SB is a 128-pin, ultra low power, high-performance 8-port Fast Ethernet single-chip switch with one extra MII port for specific applications. It integrates all the functions of a high speed switch system—including SRAM for packet buffering, non-blocking switch fabric, address management, one general use MII interface, eight 10/100Base-TX transceivers, and nine Media Access Controllers—into a single 0.18µm CMOS device. It provides compatibility with all industry standard Ethernet and Fast Ethernet devices. Only a 25MHz crystal is required; the EEPROM is optional to save BOM costs.Features■ Integrates eight 10/100 transceivers and nine MAC units for 10Base-T and 100Base-TX.■ Embedded SRAM for packet storage.■ On-chip 1024-entry look-up table in direct mapping mode.■ Embedded 16-entry CAM for hash collision mapping.■ Provides read/write access to look-up table entries via SMI interface.■ Provides non-blocking wire speed reception and transmission.■ Flow control fully supported: ◆ Half-duplex: backpressure flow control. ◆ Full-duplex: IEEE 802.3x flow control.■ Support for 4 LEDs per-port in various combinations for comprehensive applications.■ Optional loop detection function with an LED to indicate the existence of a loop.■ Supports MII loopback.■ LEDs blink upon reset for LED diagnostics.■ Flexible system configuration by strapping pins, EEPROM, or SMI interface.■ Optional crossover detection and auto correction for plug-and-play.■ Fully compliant with IEEE 802.3/802.3u.■ Optional Forwarding/Filtering reserved control frames (DID= 0180C2000003~0180C200000F).■ Optional Broadcast Input/Output Drop flow control.■ Optional maximum packet length 1536/1552 Bytes.■ Supports two Power Reduction methods: ◆ Power saving mode (automatic cable detection). ◆ Power down mode (via PHY register 0.11).■ Supports QoS function: ◆ QoS based on: (1) Port-based priority (2) 802.1p VLAN tag (3) DiffServ/TOS field in TCP/IP header (4) IP address. ◆ Supports two-level priority queues with various weighting ratios. ◆ Queue service rate based on weighted round robin algorithm. ◆ Optional auto turn off Flow Control for 1~2 sec to avoid head-of-line blocking.■ Supports MII interface connection to external MAC or PHY via 3 modes. ◆ PHY mode MII for router applications. ◆ PHY mode SNI for router applications. ◆ MAC mode MII for HomePNA or other PHY applications.■ Flexible 802.1Q port/tag-based VLAN. ◆ Optional 802.1Q tag-VID aware function. ◆ Optional VLAN Ingress Tag Admit Control. ◆ Optional VLAN Ingress Member set filtering. ◆ Optional ARP VLAN for broadcast packet. ◆ Optional Leaky VLAN for unicast packet.■ Optional 802.1P/Q tag insertion or removal on per-port basis (egress).■ 25MHz crystal input.■ 0.18µm, CMOS technology.■ 128-pin PQFP package.■ 1.8V core voltage.■ Independent power options for 2.5V or 3.3V MII interface.
主要特徵
- Integrates eight 10/100 transceivers and nine MAC units for 10Base-T and 100Base-TX.
- Embedded SRAM for packet storage.
- On-chip 1024-entry look-up table in direct mapping mode.
- Embedded 16-entry CAM for hash collision mapping.
- Provides read/write access to look-up table entries via SMI interface.
- Provides non-blocking wire speed reception and transmission.
- Flow control fully supported:
- Half-duplex: backpressure flow control.
- Full-duplex: IEEE 802.3x flow control.
- Support for 4 LEDs per-port in various combinations for comprehensive applications.
- Optional loop detection function with an LED to indicate the existence of a loop.
- Supports MII loopback.
- LEDs blink upon reset for LED diagnostics.
- Flexible system configuration by strapping pins, EEPROM, or SMI interface.
- Optional crossover detection and auto correction for plug-and-play.
- Fully compliant with IEEE 802.3/802.3u.
- Optional Forwarding/Filtering reserved control frames (DID= 0180C2000003~0180C200000F).
- Optional Broadcast Input/Output Drop flow control.
- Optional maximum packet length 1536/1552 Bytes.
- Supports two Power Reduction methods:
- Power saving mode (automatic cable detection).
- Power down mode (via PHY register 0.11).
- Supports QoS function:
- QoS based on: (1) Port-based priority (2) 802.1p VLAN tag (3) DiffServ/TOS field in TCP/IP header (4) IP address.
- Supports two-level priority queues with various weighting ratios.
- Queue service rate based on weighted round robin algorithm.
- Optional auto turn off Flow Control for 1~2 sec to avoid head-of-line blocking.
- Supports MII interface connection to external MAC or PHY via 3 modes.
- PHY mode MII for router applications.
- PHY mode SNI for router applications.
- MAC mode MII for HomePNA or other PHY applications.
- Flexible 802.1Q port/tag-based VLAN.
- Optional 802.1Q tag-VID aware function.
- Optional VLAN Ingress Tag Admit Control.
- Optional VLAN Ingress Member set filtering.
- Optional ARP VLAN for broadcast packet.
- Optional Leaky VLAN for unicast packet.
- Optional 802.1P/Q tag insertion or removal on per-port basis (egress).
- 25MHz crystal input.
- 0.18µm, CMOS technology.
- 128-pin PQFP package.
- 1.8V core voltage.
- Independent power options for 2.5V or 3.3V MII interface.
![REALTEK Inventory REALTEK Inventory](/files/uploads/inventory/Realtek/Realtek.jpg)
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Part Life Cycle Code | Obsolete | Reach Compliance Code | |
HTS Code ! | 8542.39.00.01 | JESD-30 Code | R-PQFP-G128 |
Number of Terminals | 128 | Operating Temperature-Max | 70 °C |
Operating Temperature-Min | Package Body Material | PLASTIC/EPOXY | |
Package Code | QFP | Package Equivalence Code | QFP128,.67X.93,20 |
Package Shape | RECTANGULAR | Package Style | FLATPACK |
Power Supplies ! | 1.8,2.5,3.3 V | Qualification Status ! | Not Qualified |
Surface Mount ! | YES | Technology | CMOS |
Temperature Grade ! | COMMERCIAL | Terminal Form ! | GULL WING |
Terminal Pitch ! | 0.5 mm | Terminal Position | QUAD |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
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