Product category:
Microprocessors, Microcontrollers and DSPs
News Release from: Freescale Semiconductor | Subject: 68HC908GR8 and 68HC908GR4
Edited by the Electronicstalk Editorial
Team on 19 July 2001
Long-life Flash rivals EEPROM for
microcontrollers
The latest Flash MCUs from Motorola offer typically 100,000 write/erase cycles and 50-year data retention.
The 68HC908GR8 and 68HC908GR4 8bit Flash MCUs from Motorola offer enhanced performance by extending the reliability and data retention of the embedded Flash memory to typically 100,000 write/erase cycles and 50-year data retention As a result, most embedded systems that require nonvolatile storage of temporary or changing data no longer need separate EEPROM
This article was originally published on Electronicstalk on 20 Mar 2001 at 8.00am (UK)
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Motorola's embedded Flash memory can encode 64byte in just 2ms and an entire array in as little as 1s, running at 55C.
In addition, it features virtual EEPROM capability, programming at 3 to 5V, and is suitable for development work as well as mass production.
The improved write/erase cycling allows many customers, particularly hardware and software designers for industrial equipment, to use the Flash for data storage as well as program storage.
Motorola plans to extend these Flash reliability improvements to most of its 68HC908 MCU derivatives.
The 68HC908GR4 with 4Kbyte and the 68HC908GR8 with 8Kbyte of Flash memory are the newest highly integrated general-purpose MCUs in Motorola's 68HC08 family.
Both products are derivatives of the 68HC908GP32, offering smaller footprint packages and lower prices, but with many of the same features.
The new chips help to reduce customers' systems costs because the advanced phased locked loop feature allows a lower cost and speed (32kHz) crystal while still providing high-speed operations.
Other features of the new chips include an on-chip timebase module that eliminates the need for a real-time clock and auto wakeup circuitry and a rich instruction set that allows optimum code density with C programming.
The 68HC908GR4 and the 68HC908GR8 are both available in 28-pin plastic DIPs, 32-pad QFPs and 28-pin SOICs.
General samples are available now, having already received full production qualification.
Suggested resale prices for distribution of less than 50,000 parts start at (US)$2.25 for the 68HC908GR4 and at (US)$3.30 for the 68HC908GR8.
To simplify and shorten the development cycle, Motorola offers a variety of development tools: 68HC908GR8 ICS, EVS and MMDS kits.
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