Microchip Technology Expands Its Serial SRAM Portfolio to Larger Densities and Increased Speeds
28 Marzo 2024 - 6:03AM
To address a common customer need for bigger and faster SRAM,
Microchip Technology
(Nasdaq: MCHP) has expanded
its
Serial SRAM product line to include larger
densities of up to 4 Mb and increased Serial Peripheral
Interface/Serial Quad I/O™ Interface (SPI/SQI™) speed to 143 MHz.
The 2 Mb and 4 Mb devices are designed to provide a lower-cost
alternative to traditional parallel SRAM products and include
optional battery backup switchover circuitry in the SRAM memory to
retain data on power loss.
Unlike parallel RAM, which requires large packages and at least
26–35 microcontroller (MCU) I/Os to interface, the Microchip serial
SRAM devices come in a lower-cost, 8-pin package and utilize a
high-speed SPI/SQI communication bus that only requires 4−6 MCU I/O
pins for easy integration. This reduces the need for a more
expensive, high-pin-count MCU and can help minimize the overall
board footprint.
Addressing the most common drawback to serial SRAM—that parallel
is faster than serial memory—the 2 Mb and 4 Mb serial SRAM devices
have increased the bus speed capability to 143 MHz with optional
quad SPI (4 bits per clock cycle), which greatly minimizes the
speed gap between solutions.
“Serial SRAM is a popular solution for engineers who need more
RAM than what is available on board their MCU but are looking to
reduce cost and overall board size,” said Jeff Leasure, director of
Microchip’s memory products business unit. “Microchip’s 2 Mb and 4
Mb serial SRAM devices are intended to replace expensive parallel
SRAM with an easy and cost-effective alternative.”
The small-form-factor, low-power, high-performance serial SRAM
devices have unlimited endurance and zero write times, making them
excellent options for applications involving continuous data
transfer, buffering, data logging, metering and other math- and
data-intensive functions. These devices are available from 64 Kbit
up to 4 Mb in density and support SPI, SDI and SQI bus modes. Visit
Microchip’s Memory Products page to learn about
the company’s full portfolio of memory devices.
Pricing and AvailabilityThe 2 Mb and 4 Mb
serial SRAM devices are available starting at $1.60 each in
10,000-unit quantities. For additional information and to purchase,
contact a Microchip sales representative, authorized worldwide
distributor or visit Microchip’s Purchasing and Client Services
website, www.microchipdirect.com.
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About Microchip
Technology:Microchip Technology Inc. is a
leading provider of smart, connected and secure embedded control
solutions. Its easy-to-use development tools and comprehensive
product portfolio enable customers to create optimal designs which
reduce risk while lowering total system cost and time to market.
The company’s solutions serve approximately 125,000 customers
across the industrial, automotive, consumer, aerospace and defense,
communications and computing markets. Headquartered in Chandler,
Arizona, Microchip offers outstanding technical support along with
dependable delivery and quality. For more information, visit the
Microchip website at www.microchip.com.
Note: The Microchip name and logo, the Microchip logo are
registered trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries. All other trademarks mentioned herein
are the property of their respective companies.
Editorial Contact: |
Reader Inquiries: |
Amber Liptai |
1-888-624-7435 |
480-792-5047 |
|
amber.liptai@microchip.com |
|
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