24C02ABI ST24C02 Datasheet

24C02ABI Datasheet PDF, Equivalent


Part Number

24C02ABI

Description

ST24C02

Manufacture

ST Microelectronics

Total Page 16 Pages
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24C02ABI
ST24/25C02, ST24C02R
ST24/25W02
SERIAL 2K (256 x 8) EEPROM
1 MILLION ERASE/WRITE CYCLES with
40 YEARS DATA RETENTION
SINGLE SUPPLY VOLTAGE:
– 3V to 5.5V for ST24x02 versions
– 2.5V to 5.5V for ST25x02 versions
– 1.8V to 5.5V for ST24C02R version only
HARDWARE WRITE CONTROL VERSIONS:
ST24W02 and ST25W02
TWO WIRE SERIAL INTERFACE, FULLY I2C
BUS COMPATIBLE
BYTE and MULTIBYTE WRITE (up to 4
BYTES)
PAGE WRITE (up to 8 BYTES)
BYTE, RANDOM and SEQUENTIAL READ
MODES
SELF TIMED PROGRAMMING CYCLE
AUTOMATIC ADDRESS INCREMENTING
ENHANCED ESD/LATCH-UP
PERFORMANCES
ST24C/W02 are replaced by the M24C02
ST25C/W02 are replaced by the M24C02-W
ST24C02R is replaced by the M24C02-R
DESCRIPTION
This specification covers a range of 2K bits I2C bus
EEPROM products, the ST24/25C02, the
ST24C02R and ST24/25W02. In the text, products
are referred to as ST24/25x02, where "x" is: "C" for
Standard version and "W" for hardware Write Con-
trol version.
Table 1. Signal Names
E0-E2
Chip Enable Inputs
SDA
Serial Data Address Input/Output
SCL Serial Clock
MODE
Multibyte/Page Write Mode
(C version)
WC Write Control (W version)
VCC Supply Voltage
VSS Ground
NOT FOR NEW DESIGN
8
1
PSDIP8 (B)
0.25mm Frame
8
1
SO8 (M)
150mil Width
Figure 1. Logic Diagram
VCC
3
E0-E2
SCL
MODE/WC*
ST24x02
ST25x02
ST24C02R
SDA
VSS
AI00788D
Note: WC signal is only available for ST24/25W02 products.
November 1997
This is information on a product still in production but not recommended for new design
1/16

24C02ABI
ST24/25C02, ST24C02R, ST24/25W02
Figure 2A. DIP Pin Connections
ST24x02
ST25x02
ST24C02R
E0 1
E1 2
8 VCC
7 MODE/WC
E2 3
6 SCL
VSS 4
5 SDA
AI00789D
Figure 2B. SO Pin Connections
E0
E1
E2
VSS
ST24x02
ST25x02
ST24C02R
18
27
36
45
AI00790E
VCC
MODE/WC
SCL
SDA
Table 2. Absolute Maximum Ratings (1)
Symbol
TA
TSTG
TLEAD
Parameter
Ambient Operating Temperature
Storage Temperature
Lead Temperature, Soldering
(SO8 package)
(PSDIP8 package)
40 sec
10 sec
Value
–40 to 125
–65 to 150
215
260
Unit
°C
°C
°C
VIO Input or Output Voltages
–0.6 to 6.5
V
VCC
VESD
Supply Voltage
Electrostatic Discharge Voltage (Human Body model) (2)
Electrostatic Discharge Voltage (Machine model) (3)
–0.3 to 6.5
4000
500
V
V
V
Notes: 1. Except for the rating "Operating Temperature Range", stresses above those listed in the Table "Absolute Maximum Ratings"
may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other
conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum
Rating conditions for extended periods may affect device reliability. Refer also to the SGS-THOMSON SURE Program and other
relevant quality documents.
2. MIL-STD-883C, 3015.7 (100pF, 1500 ).
3. EIAJ IC-121 (Condition C) (200pF, 0 ).
DESCRIPTION (cont’d)
The ST24/25x02 are 2K bit electrically erasable
programmable memories (EEPROM), organized
as 256 x 8 bits. They are manufactured in SGS-
THOMSON’s Hi-Endurance Advanced CMOS
technology which guarantees an endurance of one
million erase/write cycles with a data retention of
40 years. The memories operate with a power
supply value as low as 1.8V for the ST24C02R only.
Both Plastic Dual-in-Line and Plastic Small Outline
packages are available.
The memories are compatible with the I2C stand-
ard, two wire serial interface which uses a bi-direc-
tional data bus and serial clock. The memories
carry a built-in 4 bit, unique device identification
code (1010) corresponding to the I2C bus defini-
tion. This is used together with 3 chip enable inputs
(E2, E1, E0) so that up to 8 x 2K devices may be
attached to the I2C bus and selected individually.
The memories behave as a slave device in the I2C
protocol with all memory operations synchronized
by the serial clock. Read and write operations are
initiated by a START condition generated by the
bus master. The START condition is followed by a
stream of 7 bits (identification code 1010), plus one
read/write bit and terminated by an acknowledge
bit.
2/16


Features ST24/25C02, ST24C02R ST24/25W02 SERIAL 2K (256 x 8) EEPROM 1 MILLION ERASE/WR ITE CYCLES with 40 YEARS DATA RETENTION SINGLE SUPPLY VOLTAGE: – 3V to 5.5V for ST24x02 versions – 2.5V to 5.5V f or ST25x02 versions – 1.8V to 5.5V fo r ST24C02R version only HARDWARE WRITE CONTROL VERSIONS: ST24W02 and ST25W02 T WO WIRE SERIAL INTERFACE, FULLY I2C BUS COMPATIBLE BYTE and MULTIBYTE WRITE (u p to 4 BYTES) PAGE WRITE (up to 8 BYTES ) BYTE, RANDOM and SEQUENTIAL READ MODE S SELF TIMED PROGRAMMING CYCLE AUTOMATI C ADDRESS INCREMENTING ENHANCED ESD/LAT CH-UP PERFORMANCES ST24C/W02 are replac ed by the M24C02 ST25C/W02 are replaced by the M24C02-W ST24C02R is replaced b y the M24C02-R DESCRIPTION This specif ication covers a range of 2K bits I2C b us EEPROM products, the ST24/25C02, the ST24C02R and ST24/25W02. In the text, products are referred to as ST24/25x02, where "x" is: "C" for Standard version and "W" for hardware Write Control ver sion. Table 1. Signal Names E0-E2 Chip Enable Inputs SDA Serial .
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