24C01B_04 Datasheet, PDF (1/10 Pages) Microchip Technology – 1K/2K 5.0V I2C™ Serial EEPROM

Obsolete Device
Please use 24LC01B or 24LC02B.
24C01B/02B
1K/2K 5.0V I²C^™ Serial EEPROM
FEATURES
• Single supply with 5.0V operation
• Low power CMOS technology
- 1 mA active current typical
- 10 µA standby current typical at 5.0V
- 5 µA standby current typical at 5.0V
• Organized as a single block of 128 bytes (128 x 8)
or 256 bytes (256 x 8)
• 2-wire serial interface bus, I²C compatible
• 100 kHz compatibility
• Self-timed write cycle (including auto-erase)
• Page-write buffer for up to 8 bytes
• 2 ms typical write cycle time for page-write
• Hardware write protect for entire memory
• Can be operated as a serial ROM
• ESD protection > 3,000V
• 1,000,000 ERASE/WRITE cycles guaranteed
Data retention > 200 years
• 8 pin DIP or SOIC package
• Available for extended temperature ranges
- Automotive (E):
-40°C to +125°C
DESCRIPTION
The Microchip Technology Inc. 24C01B and 24C02B
are 1K bit and 2K bit Electrically Erasable PROMs. The
devices are organized as a single block of 128 x 8 bit
or 256 x 8 bit memory with a 2-wire serial interface.
The 24C01B and 24C02B also have page-write capa-
bility for up to 8 bytes of data. The 24C01B and 24C02B
are available in the standard 8-pin DIP and an 8-pin
surface mount SOIC package.
These devices are for extended temperature
applications only. It is recommended that all other
applications use Microchip’s 24LC01B/02B.
PACKAGE TYPES
PDIP
NC 1
NC 2
NC 3
Vss 4
8 Vcc
7 WP
6 SCL
5 SDA
SOIC
NC ¹
NC ²
NC ³
Vss
4
8
Vcc
7
WP
6
SCL
5
SDA
BLOCK DIAGRAM
WP
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
SDA SCL
VCC
VSS
HV GENERATOR
EEPROM
ARRAY
PAGE LATCHES
YDEC
SENSE AMP
R/W CONTROL
I²C is a trademark of Philips Corporation.
 2004 Microchip Technology Inc.
Preliminary
DS21233B-page 1