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GENESYS GL857L-HHY20 product image
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GENESYS GL857L-HHY20RoHS

Manufacturer
GENESYSAsian Brands
MPN
GL857L-HHY20
LCSC Part #
C671948
Packaging
SSOP-28-150mil
Customer #
Key Attributes
USB 2.0 Hub Reader Controller
Datasheetpdf iconGENESYS GL857L-HHY20
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Minimum: 1Multiple: 1Sales Unit: Piece
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QtyUnit Price(Reference Only)Total Amount
1+$ 1.1605$ 1.16
10+$ 0.9561$ 9.56
50+$ 0.8724$ 43.62
100+$ 0.7871$ 78.71
500+$ 0.7372$ 368.60
1,000+$ 0.7099$ 709.90
Standard Packaging50/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Interface/Interface Controllers
ManufacturerGENESYS
PackagingSSOP-28-150mil
Operating Temperature0℃~+70℃
Voltage - Supply4.75V~5.25V;3V~3.6V
Number of ports3
Applications FunctionUSB to HUB; USB to SD/MMC
Data Rate480Mbps
USB ProtocolUSB 2.0
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Introduction

AI Translation

GL857L is a combo solution for USB2.0 hub (with 3 downstream ports) and SD card reader in single chip SSOP28 package. It is fully compliant with Universal Serial Bus Specification Revision 2.0, USB Storage Class Specification ver.1.0 and supports Secure Digital v1.0 / v1.1 / v2.0 / SDHC / SDXC (capacity up to 2TB). GL857L inherits cutting edge technology on cost and power efficient serial interface design. It has proven compatibility, lower power consumption figure, and better cost structure. GL857L provides multiple advantages to simplify board level design that helps achieve lowest BOM (Bill of Material) for system integrator by integrating both 5V to 3.3V with power MOSFETs and 3.3V to 1.8V low dropout voltage regulator into single chip, therefore no external LDO required. Also, it enables the function of on-chip clock source (OCCS) which indicates that no external 12MHz XTAL is needed. GL857L embeds an 8-bit RISC processor to manipulate the control/status registers and respond to the requests from USB host. Another one high speed 8051 microprocessor and a high efficiency hardware engine are also embedded for the best data transfer performance between USB and flash card interfaces.

Features

AI Translation
  • 3 downstream ports of USB2.0 Hub with SD Card Reader
  • Integrated USB transceiver
  • Built-in upstream 1.5KΩ pull-up and downstream 15KΩ pull-down
  • Integrated 5-to-3.3 regulator and 3.3-to-1.8 regulator
  • 0.152um CMOS technology
  • On chip clock source and no external crystal needed
  • Compliant to USB specification Revision 2.0
  • Configurable 3/2/1 downstream ports