Datasheet
FM24C64
64K-Bit Standard 2-Wire Bus Interface Serial EEPROM
FM24C64 is a 64Kbit CMOS non-volatile serial EEPROM organized as 8K x 8 bit memory.
This device confirms to Extended IIC 2-wire protocol that allows accessing of memory in
excess of 16Kbit on an IIC bus. This serial communication protocol uses a Clock signal (SCL)
and a Data signal (SDA) to synchronously clock data between a master (e.g. a microcontroller)
and a slave (EEPROM). FM24C64 is designed to minimize pin count and simplify PC board
layout requirements.
Rochester Electronics
Manufactured Components
Rochester branded components are
manufactured using either die/wafers
purchased from the original suppliers
or Rochester wafers recreated from the
original IP. All re-creations are done with
the approval of the Original Component
Manufacturer (OCM).
Parts are tested using original factory
test programs or Rochester developed
test solutions to guarantee product
meets or exceeds the OCM data sheet.
Quality Overview
• ISO-9001
• AS9120 certification
• Qualified Manufacturers List (QML) MIL-PRF-35835
• Class Q Military
• Class V Space Level
• Qualified Suppliers List of Distributors (QSLD)
• Rochester is a critical supplier to DLA and
meets all industry and DLA standards.
Rochester Electronics, LLC is committed to supplying
products that satisfy customer expectations for
quality and are equal to those originally supplied by
industry manufacturers.
The original manufacturer’s datasheet accompanying this document reflects the performance
and specifications of the Rochester manufactured version of this device. Rochester Electronics
guarantees the performance of its semiconductor products to the original OCM specifications.
‘Typical’ values are for reference purposes only. Certain minimum or maximum ratings may be
based on product characterization, design, simulation, or sample testing.
FOR REFERENCE ONLY
© 2019 Rochester Electronics, LLC. All Rights Reserved 05012019
To learn more, please visit www.rocelec.com
FM24C64 – 64K-Bit Standard 2-Wire Bus
Interface Serial EEPROM
General Description
Features
FM24C64 is a 64Kbit CMOS non-volatile serial EEPROM organized as 8K x 8 bit memory. This device confirms to Extended IIC
2-wire protocol that allows accessing of memory in excess of
16Kbit on an IIC bus. This serial communication protocol uses a
Clock signal (SCL) and a Data signal (SDA) to synchronously
clock data between a master (e.g. a microcontroller) and a slave
(EEPROM). FM24C64 is designed to minimize pin count and
simplify PC board layout requirements.
■ Extended operating voltage: 2.5V to 5.5V
■ Up to 400 KHz clock frequency at 2.5V to 5.5V
■ Low power consumption
— 0.5mA active current typical
— 10µA standby current typical
— 1µA standby current typical (L version)
— 0.1µA standby current typical (LZ version)
■ Schmitt trigger inputs
FM24C64 offers hardware write protection where by the entire
memory array can be write protected by connecting WP pin to VCC.
This section of memory then becomes unalterable until the WP pin
is switched to VSS.
■ 32 byte page write mode
■ Self timed write cycle (6ms typical)
■ Hardware Write Protection for the entire array
“LZ” and “L” versions of FM24C64 offer very low standby current
making them suitable for low power applications. This device is
offered in SO, TSSOP and DIP packages.
■ Endurance: up to 100K data changes
Fairchild EEPROMs are designed and tested for applications
requiring high endurance, high reliability and low power consumption.
■ Temperature range
— Commercial: 0°C to +70°C
— Industrial (E): -40°C to +85°C
— Automotive (V): -40°C to +125°C
■ Data Retention: Greater than 40 years
■ Packages: 8-Pin DIP, 8-Pin SO and 8-Pin TSSOP
Block Diagram
VSS
WRITE
LOCKOUT
VCC
H.V. GENERATION
TIMING &CONTROL
WP
START
STOP
LOGIC
SDA
CONTROL
LOGIC
SLAVE ADDRESS
REGISTER &
COMPARATOR
SCL
XDEC
A2
A1
A0
E2PROM
ARRAY
WORD
ADDRESS
COUNTER
R/W
YDEC
CK
DATA REGISTER
DIN
© 2001 Fairchild Semiconductor Corporation
FM24C64 Rev. C
1
DOUT
www.fairchildsemi.com
FM24C64 – 64K-Bit Standard 2-Wire Bus Interface Serial EEPROM
December 2001
FM24C64 – 64K-Bit Standard 2-Wire Bus Interface Serial EEPROM
Connection Diagram
Dual-in-Line Package (N), SO Package (M8) and TSSOP Package (MT8)
A0
1
A1
2
8
VCC
7
WP
FM24C64
A2
3
6
SCL
VSS
4
5
SDA
See Package Number N08E, M08A and MTC08
Pin Names
VSS
Ground
SDA
Serial Data I/O
SCL
Serial Clock Input
WP
Write Protect
VCC
Power Supply
A0, A1, A2
Device Address Inputs
2
FM24C64 Rev. C
www.fairchildsemi.com
FM
24
C
XX
F
LZ
E
YY
X
Letter
Description
Blank
X
Tube
Tape and Reel
N
M8
MT8
8-pin DIP
8-pin SOIC
8-pin TSSOP
Temp. Range
Blank
E
V
0 to 70°C
-40 to +85°C
-40 to +125°C
Voltage Operating Range
Blank
L
LZ
4.5V to 5.5V
2.5V to 5.5V
2.5V to 5.5V and
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