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Cypress Semiconductor Electronic Components Datasheet

FM25V01A Datasheet

128-Kbit (16K x 8) Serial (SPI) F-RAM

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FM25V01A
128-Kbit (16K × 8) Serial (SPI) F-RAM
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 (1014) 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
WP
CS
HOLD
SCK
Instruction Decoder
Clock Generator
Control Logic
Write Protect
Instruction Register
16 K x 8
F-RAM Array
Address Register
Counter
14
8
SI SO
Data I/O Register
3
Nonvolatile Status
Register
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-90881 Rev. *E
• San Jose, CA 95134-1709 • 408-943-2600
Revised January 14, 2016


Cypress Semiconductor Electronic Components Datasheet

FM25V01A Datasheet

128-Kbit (16K x 8) Serial (SPI) F-RAM

No Preview Available !

FM25V01A
Contents
Pinout ................................................................................ 3
Pin Definitions .................................................................. 3
Overview ............................................................................ 4
Memory Architecture ........................................................ 4
Serial Peripheral Interface - SPI Bus .............................. 4
SPI Overview ............................................................... 4
SPI Modes ................................................................... 5
Power-Up to First Access ............................................ 6
Command Structure .................................................... 6
WREN - Set Write Enable Latch ................................. 6
WRDI - Reset Write Enable Latch ............................... 6
Status Register and Write Protection ............................. 7
RDSR - Read Status Register ..................................... 7
WRSR - Write Status Register .................................... 7
Memory Operation ............................................................ 8
Write Operation ........................................................... 8
Read Operation ........................................................... 8
Fast Read Operation ................................................... 8
HOLD Pin Operation ................................................. 10
Sleep Mode ............................................................... 10
Device ID ................................................................... 11
Endurance ................................................................. 12
Maximum Ratings ........................................................... 13
Operating Range ............................................................. 13
DC Electrical Characteristics ........................................ 13
Data Retention and Endurance ..................................... 14
Capacitance .................................................................... 14
Thermal Resistance ........................................................ 14
AC Test Conditions ........................................................ 14
AC Switching Characteristics ....................................... 15
Power Cycle Timing ....................................................... 17
Ordering Information ...................................................... 18
Ordering Code Definitions ......................................... 18
Package Diagrams .......................................................... 19
Acronyms ........................................................................ 20
Document Conventions ................................................. 20
Units of Measure ....................................................... 20
Document History Page ................................................. 21
Sales, Solutions, and Legal Information ...................... 22
Worldwide Sales and Design Support ....................... 22
Products .................................................................... 22
PSoC® Solutions ...................................................... 22
Cypress Developer Community ................................. 22
Technical Support ..................................................... 22
Document Number: 001-90881 Rev. *E
Page 2 of 22


Part Number FM25V01A
Description 128-Kbit (16K x 8) Serial (SPI) F-RAM
Maker Cypress Semiconductor
Total Page 22 Pages
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