Key facts
- Brand
- SMSC
- Model
- USB2504A
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-10
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SMSC USB2504/USB2504A Integrated USB2.0 4-Port Hub Datasheet
The SMSC USB2504/USB2504A is a fully USB‑2.0‑compliant 4‑port hub offering four dedicated Transaction Translators for maximum throughput. It supports High‑Speed (480 Mbit/s), Full‑Speed (12 Mbit/s) and Low‑Speed (1.5 Mbit/s) devices, with selectable power management per port or ganged, and can operate as self‑powered, bus‑powered or dynamic‑powered.
The hub integrates all required termination and pull‑up/pull‑down resistors, includes internal short‑circuit protection, and provides optional LED indicators. It is available in 64‑pin TQFP and 56‑pin QFN packages, with detailed mechanical dimensions and lead specifications provided in the datasheet.
SMSC USB2504A specifications
| Number of ports | 4 |
|---|---|
| Transaction Translators | 4 (one per downstream port) |
| Supported USB speeds | High‑Speed 480 Mbit/s, Full‑Speed 12 Mbit/s, Low‑Speed 1.5 Mbit/s |
| Power management | Per‑port or ganged selectable power control; self‑powered, bus‑powered, dynamic‑powered modes |
| Internal PLL | 480 MHz sampling clock |
| Core voltage regulator | 1.8 V linear regulator |
| I/O voltage | 3.3 V I/O with 5 V input tolerance |
| Package options | 64‑Pin TQFP or 56‑Pin QFN |
| Overall package height (TQFP) | 1.60 mm |
| Lead pitch (TQFP) | 0.50 mm |
Source: SMSC USB2504/USB2504A Integrated USB2.0 4-Port Hub Datasheet
All SMSC USB2504A documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How many Transaction Translators does the USB2504/USB2504A hub provide?
The hub provides four Transaction Translators, one for each downstream port.
From: SMSC USB2504/USB2504A Integrated USB2.0 4-Port Hub Datasheet
What power configurations are supported by the hub?
It can operate as a self‑powered, bus‑powered, or dynamic‑powered hub, with selectable per‑port or ganged power control.
From: SMSC USB2504/USB2504A Integrated USB2.0 4-Port Hub Datasheet
What USB speeds does the USB2504 support?
It supports High‑Speed (480 Mbit/s), Full‑Speed (12 Mbit/s) and Low‑Speed (1.5 Mbit/s).
How can the hub be configured?
Configuration can be done via internal defaults, an external EEPROM, or through the SMBus slave interface.