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參數資料
| 型號： | RX-4571SA |
| 元件分類： | 時鐘/數據恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO14 |
| 封裝： | ROHS COMPLIANT, SOP-14 |
| 文件頁數： | 1/76頁 |
| 文件大?。?/td> | 1924K |
| 代理商： | RX-4571SA |
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SMSC USB251x Hub Family
DATASHEET
Revision 1.1 (04-26-10)
Datasheet
PRODUCT FEATURES
USB2512/12A/12B
USB2513/13B
USB2514/14B
USB2517
USB 2.0 Hi-Speed
Hub Controller
General Description
The SMSC USB251x hub is a family of low-power, OEM
configurable, MTT (multi transaction translator)1 hub
controller IC products for embedded USB solutions. The
“x” in the part number indicates the number of
downstream ports available. The SMSC hub supports
low-speed, full-speed, and hi-speed (if operating as a hi-
speed hub) downstream devices on all of the enabled
downstream ports.
For a summary of the products documented in this
datasheet, please refer to the Chapter 1, "USB251x Hub
Highlights
High performance, low-power, small footprint hub
controller IC with 2, 3, 4, or 7 downstream ports
(indicated by the “x” in the part number)
Fully compliant with the USB 2.0 specification
Enhanced OEM configuration options available
through either a single serial I2C EEPROM, or
SMBus slave port
MultiTRAKTM
— High-performance multiple transaction translator which
provides one transaction translator per port
PortMap
— Flexible port mapping and disable sequencing
PortSwap
— Programmable USB differential-pair pin locations ease
PCB design by aligning USB signal lines directly to
connectors
PHYBoost
— Programmable USB signal drive strength for recovering
signal integrity using 4-level driving strength resolution
Features
USB251xB/xBi products are fully footprint compatible
with USB251x/xi/xA/xAi products as direct drop-in
replacements
— Cost savings include using the same PCB components
and application of USB-IF Compliance by Similarity
Full power management with individual or ganged
power control of each downstream port
Fully integrated USB termination and pull-up/pull-
down resistors
Supports a single external 3.3 V supply source;
internal regulators provide 1.2 V or 1.8 V internal
core voltage
Onboard 24 MHz crystal driver, ceramic resonator, or
external 24/48 MHz clock input
Customizable vendor ID, product ID, and device ID
4 kilovolts of HBM JESD22-A114F ESD protection
(powered and unpowered)
Supports self- or bus-powered operation
USB251xB and USB251xBi products support the
USB Battery Charging specification Rev. 1.1 for
Charging Downstream Ports (CDP)
Lead-free RoHS compliant packages:
— 36-pin QFN (6x6 mm)
— 48-pin QFN (7x7 mm)
— 64-pin QFN (9x9 mm)
USB251xi, USB2512Ai, and USB251xBi products
support the industrial temperature range of -40C
to +85C
USB251xB products support the extended
commercial temperature range of 0C to +85C
Applications
LCD monitors and TVs
Multi-function USB peripherals
PC motherboards
Set-top boxes, DVD players, DVR/PVR
Printers and scanners
PC media drive bay
Portable hub boxes
Mobile PC docking
Embedded systems
1.USB2512A/Ai only uses a single transaction translator.
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| RX-4574SG | 0 TIMER(S), REAL TIME CLOCK, PDSO16 |
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| RX-8581JE-3 | REAL TIME CLOCK, PDSO20 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| RX-4571SAB | 制造商:Epson Toyocom Corporation 功能描述:Cut Tape |
| RX-4574LC | 制造商:EPSONTOYOCOM 制造商全稱:Epson ToYoCom 功能描述:SERIAL-INTERFACE REAL TIME CLOCK MODULE |
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