VSC7158HT-03

Description：IC INTERFACE CONTROLLER
Series：*

SKU:2c2e479a8ffe Category: I/O Expanders Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：IC INTERFACE CONTROLLER
Series：*
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube
Number of I/O：-
Interface：-
Interrupt Output：-
Features：-
Output Type：-
Current - Output Source/Sink：-
Clock Frequency：-
Voltage - Supply：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

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VSC7158HT-03

Overview

The VSC7158HT-03 is an 18-PHY Serial Attached SCSI (SAS) edge/fanout expander supporting 1.5Gbps and 3.0Gbps data rates. It features a nonblocking cross-bar matrix for any-to-any PHY connectivity and includes integrated serializer/deserializers (SerDes). The device supports SAS 1.0/1.1 specifications, offering table routing, SMP/SSP virtual PHYs with initiator/target capabilities, and embedded enclosure management via a v3000 CPU. It operates in four modes: Parallel Master, Parallel Slave, I²C Serial Interface Slave, and SPI Master.

Feature Summary

Supports up to 18 independent PHYs operating at 1.5Gbps or 3.0Gbps with automatic speed detection.
Features a nonblocking switch architecture enabling full connectivity between any connected PHYs.
Integrates an embedded enclosure management processor for local control and SES functions.
Provides programmable output deemphasis and input signal equalization for high signal quality.

Applications

Blade servers
JBOD arrays
Enterprise storage environments
Rack-mounted servers with RAID
Storage Area Network (SAN) appliances

Procurement Notes

Verify the component status before procurement as this product is Not Recommended for New Designs. Some versions may be discontinued or subject to Last Time Buy restrictions. Confirm availability through authorized distributors and ensure compliance with current RoHS requirements specified in the datasheet.

Selection Notes

Select the VSC7158HT-03 when designing systems requiring SAS port expansion for midrange or enterprise storage. Ensure compatibility with existing parallel SCSI software if upgrading legacy systems. Verify that the BGA package fits the PCB layout constraints and that the system utilizes compatible enclosure management controllers for seamless integration.

Part Context

The VSC7158HT-03 belongs to the VSC7158 series of SAS expanders manufactured by Analog Devices Inc./Maxim Integrated. This series provides high-performance SAS expansion solutions for server and JBOD applications. The HT-03 suffix denotes the specific BGA package variant with 448 pins.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. As the device is marked Not Recommended for New Designs, consult manufacturer resources for potential obsolescence management or alternative product lines.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.