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FM24CL16 Datasheet Preview

FM24CL16 Datasheet

16Kb FRAM Serial 3V Memory

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FM24CL16
16Kb FRAM Serial 3V Memory
Features
16K bit Ferroelectric Nonvolatile RAM
Organized as 2,048 x 8 bits
Unlimited Read/Write Cycles
10 year Data Retention
NoDelay™ Writes
Advanced High-Reliability Ferroelectric Process
Fast Two-wire Serial Interface
Up to 1MHz maximum bus frequency
Direct hardware replacement for EEPROM
Description
The FM24CL16 is a 16-kilobit nonvolatile memory
employing an advanced ferroelectric process. A
ferroelectric random access memory or FRAM is
nonvolatile and performs reads and writes like a
RAM. It provides reliable data retention for over 10
years while eliminating the complexities, overhead,
and system level reliability problems caused by
EEPROM and other nonvolatile memories.
Unlike serial EEPROMs, the FM24CL16 performs
write operations at bus speed. No write delays are
incurred. The next bus cycle may commence
immediately without the need for data polling. In
addition, the product offers unlimited write
endurance, orders of magnitude more endurance than
EEPROM. Also, FRAM exhibits much lower power
during writes than EEPROM since write operations
do not require an internally elevated power supply
voltage for write circuits.
These capabilities make the FM24CL16 ideal for
nonvolatile memory applications requiring frequent
or rapid writes. Examples range from data collection
where the number of write cycles may be critical, to
demanding industrial controls where a long write time
can cause data loss. The combination of features
allows the system to write data more frequently, with
less system overhead.
The FM24CL16 is available in an industry standard
8-pin SOIC and uses a two-wire protocol. The
specifications are guaranteed over the industrial
temperature range from -40°C to +85°C. Although
the FM24CL16 is functionally compatible with the
5V FM24C16, it offers 3V operation and up to 1MHz
bus speed.
Low Power Operation
New 2.7 - 3.6V operation
75 µA Active Current (100 kHz) @ 3V
1 µA Standby Current
Industry Standard Configuration
Industrial Temperature -40° C to +85° C
8-pin SOIC
New “Green” 8-pin SOIC Package
Pin Configuration
NC 1 8
NC 2 7
NC 3 6
VSS 4 5
VDD
WP
SCL
SDA
Pin Names
SDA
SCL
WP
VDD
VSS
Function
Serial Data/Address
Serial Clock
Write Protect
Supply Voltage
Ground
Ordering Information
FM24CL16-S 8-pin SOIC
FM24CL16-G 8-pin SOIC - “Green” Assembly
Flow
This product conforms to specifications per the terms of the Ramtron
standard warranty. Production processing does not necessarily in-
clude testing of all parameters.
Rev. 2.2
July 2003
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000, Fax (719) 481-7058
www.ramtron.com
Page 1 of 13




ETC

FM24CL16 Datasheet Preview

FM24CL16 Datasheet

16Kb FRAM Serial 3V Memory

No Preview Available !

FM24CL16
Counter
Address
Latch
256 x 64
FRAM Array
SDA `
SCL
WP
Serial to Parallel
Converter
Control Logic
8
Data Latch
Figure 1. Block Diagram
Pin Description
Pin Name
SDA
Type
I/O
SCL
WP
VDD
VSS
NC
Input
Input
Supply
Supply
-
Pin Description
Serial Data Address: This is a bi-directional data pin for the two-wire interface. It
employs an open-drain output and is intended to be wire-OR’d with other devices on the
two-wire bus. The input buffer incorporates a Schmitt trigger for noise immunity and the
output driver includes slope control for falling edges. A pull-up resistor is required.
Serial Clock: The serial clock input for the two-wire interface. Data is clocked-out on
the falling edge and clocked-in on the rising edge.
Write Protect: When WP is high, the entire array is write-protected. When WP is low,
all addresses may be written. This pin is internally pulled down.
Supply Voltage (3V)
Ground
No connect
Rev 2.2
July 2003
Page 2 of 13


Part Number FM24CL16
Description 16Kb FRAM Serial 3V Memory
Maker ETC
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FM24CL16 Datasheet PDF






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