Position: Home  > All Categories> Integrated Circuits (ICs) > ISP1123

ISP1123

Features: · High performance USB hub device with integrated hub repeater, hub controller, Serial Interface Engine (SIE), data transceivers and 3.3 V voltage regulator· Complies with Universal Serial Bus Specification Rev. 1.1 and ACPI, OnNow and USB power management requirements· Downstream port 1...

product image

ISP1123 Picture
See larger image
SeekIC No. : 004381069 Detail

ISP1123: Features: · High performance USB hub device with integrated hub repeater, hub controller, Serial Interface Engine (SIE), data transceivers and 3.3 V voltage regulator· Complies with Universal Serial...

ISP1123 Data Sheet

floor Price/Ceiling Price

Get Latest Price
Part Number:
ISP1123
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2025/2/15

add to my favourite

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
Product Details

Description



Features:

·   High performance USB hub device with integrated hub repeater, hub controller, Serial Interface Engine (SIE), data transceivers and 3.3 V voltage regulator
·   Complies with Universal Serial Bus Specification Rev. 1.1 and ACPI, OnNow and USB power management requirements
·   Downstream port 1 dedicated to a non-removable function, correctly reported in the related descriptors
·   Configurable from 2 to 5 downstream ports with automatic speed detection
·   Internal power-on reset and low voltage reset circuit
·   Supports bus-powered, hybrid-powered and self-powered application
·   Individual or global power switching for downstream ports
·   Individual or ganged port overcurrent protection with built-in sense circuits
·   6 MHz crystal oscillator with on-chip PLL for low EMI
·   Visual USB traffic monitoring (GoodLink™) for hub and downstream ports
·   I2C-bus interface to read vendor ID, product ID and configuration bits from external EEPROM
·   Operation over the extended USB bus voltage range (4.0 to 5.5 V)
·   Operating temperature range -40 to +85 °C
·   8 kV in-circuit ESD protection for lower cost of external components
·   Full-scan design with high test coverage
·  Available in 32-pin SDIP, SO and LQFP packages


Pinout

Connection Diagram


Specifications

Symbol Parameter Conditions Min Max Unit
VCC supply voltage   -0.5 +6.0 V
VI input voltage   -0.5 VCC+0.5 V
Ilatchup latch-up current VI < 0 or VI > VCC - 200 mA
Vesd electrostatic discharge voltage ILI < 15 A     [1][2]  - ±4000[3] V
Tstg storage temperature   -60 +150
Ptot total power dissipation   - 95 mW
[1] Equivalent to discharging a 100 pF capacitor via a 1.5 k resistor (Human Body Model).
[2] Values are given for device only; in-circuit Vesd(max) = ±8000 V.
[3] For open-drain pins Vesd(max) = ±2000 V.


Description

The ISP1123 is a compound Universal Serial Bus (USB) hub device which complies with USB Specification Rev. 1.1. It integrates a Serial Interface Engine (SIE), hub repeater, hub controller, USB data transceivers and a 3.3 V voltage regulator. It has a configurable number of downstream ports, ranging from 2 to 5, with one port dedicated to an embedded or non-removable function.

The ISP1123 can be bus-powered, self-powered or hybrid-powered. When it is hybrid-powered the hub functions are powered by the upstream power supply (VBUS), but the downstream ports are powered by an external 5 Volt supply. The low power consumption in 'suspend' mode allows easy design of equipment that is compliant with the ACPI™, OnNow™ and USB power management requirements.

The ISP1123 has built-in overcurrent sense inputs, supporting individual and ganged mode overcurrent protection for downstream ports. All ports (including the hub) have GoodLink™ indicator outputs for easy visual monitoring of USB traffic. The ISP1123 has a serial I2C-bus interface for external EEPROM access and a reduced frequency (6 MHz) crystal oscillator. These features allow significant cost savings in system design and easy implementation of advanced USB functionality into PC peripherals.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
You may also be interested in :
Connectors, Interconnects
ASP-134488-01
WM4078-ND
Prototyping Products
AVT4168
DE1
LED Products
LM24P20
KCG057QV1DB-G770
Cable Assemblies
CS1W-CN114
XW2Z-500T
Isolators
HCPL062N
HCPL316J
Resistors
A101G
3006P-1-205LF
View more