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FM25V01A-G 데이터시트(PDF) 1 Page - Cypress Semiconductor |
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FM25V01A-G 데이터시트(HTML) 1 Page - Cypress Semiconductor |
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1 / 22 page  FM25V01A 128-Kbit (16K × 8) Serial (SPI) F-RAM Cypress Semiconductor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-90881 Rev. *E Revised January 14, 2016 128-Kbit (16K × 8) Serial (SPI) F-RAM Features ■ 128-Kbit ferroelectric random access memory (F-RAM) logically organized as 16K × 8 ❐ High-endurance 100 trillion (10 14) read/writes ❐ 151-year data retention (See the Data Retention and Endurance table) ❐ NoDelay™ writes ❐ Advanced high-reliability ferroelectric process ■ Very fast serial peripheral interface (SPI) ❐ Up to 40-MHz frequency ❐ Direct hardware replacement for serial flash and EEPROM ❐ Supports SPI mode 0 (0, 0) and mode 3 (1, 1) ■ Sophisticated write-protection scheme ❐ Hardware protection using the Write Protect (WP) pin ❐ Software protection using Write Disable instruction ❐ Software block protection for 1/4, 1/2, or entire array ■ Device ID ❐ Manufacturer ID and Product ID ■ Low power consumption ❐ 2.5-mA active current at 40 MHz ❐ 150-A standby current ❐ 8-A sleep mode current ■ Low-voltage operation: VDD = 2.0 V to 3.6 V ■ Industrial temperature: –40 C to +85 C ■ 8-pin small outline integrated circuit (SOIC) package ■ Restriction of hazardous substances (RoHS) compliant Functional Description The FM25V01A is a 128-Kbit nonvolatile memory employing an advanced ferroelectric process. An F-RAM is nonvolatile and performs reads and writes similar to a RAM. It provides reliable data retention for 151 years while eliminating the complexities, overhead, and system-level reliability problems caused by serial flash, EEPROM, and other nonvolatile memories. Unlike serial flash and EEPROM, the FM25V01A performs write operations at bus speed. No write delays are incurred. Data is written to the memory array immediately after each byte is successfully transferred to the device. The next bus cycle can commence without the need for data polling. In addition, the product offers substantial write endurance compared with other nonvolatile memories. The FM25V01A is capable of supporting 1014 read/write cycles, or 100 million times more write cycles than EEPROM. These capabilities make the FM25V01A ideal for nonvolatile memory applications requiring frequent or rapid writes. Examples range from data logging, where the number of write cycles may be critical, to demanding industrial controls where the long write time of serial flash or EEPROM can cause data loss. The FM25V01A provides substantial benefits to users of serial EEPROM or flash as a hardware drop-in replacement. The FM25V01A uses the high-speed SPI bus, which enhances the high-speed write capability of F-RAM technology. The device incorporates a read-only Device ID that allows the host to determine the manufacturer, product density, and product revision. The device specifications are guaranteed over an industrial range of –40 C to +85 C. For a complete list of related resources, click here. Logic Block Diagram Instruction Decoder Clock Generator Control Logic Write Protect Instruction Register Address Register Counter 16 K x 8 F-RAM Array 14 Data I/O Register 8 Nonvolatile Status Register 3 WP CS HOLD SCK SO SI |
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