LE24CBK22 Datasheet, PDF (1/20 Pages) Sanyo Semicon Device – Two Wire Serial Interface EEPROM (2K+2K EEPROM)

Ordering number : EN*A1514A
CMOS IC
LE24CBK22 Two Wire Serial Interface EEPROM
(2K+2K EEPROM)
Overview
The dual port EEPROM series consists of two independent banks, and each bank can be controlled separately using
dedicated control pins. The two banks can each be controlled separately, but share the internal power supply system. In
addition, this product uses a 2-wire serial interface, and is the optimal device for realizing substantial reductions in
system cost and mounting area, as well as low power consumption.
The dual port EEPROM series also has a combined mode that allows the two-bank configuration (2K bits + 2K bits) to
be used as a pseudo one-bank configuration (4K bits) by setting the COBM pin low. Together with the 16-byte page
write function, this enables a reduction in the number of factory write processes.
This product incorporates SANYO's high performance CMOS EEPROM technology and realizes high-speed operation
and high-level reliability. The interface of this product is compatible with the I²C bus protocol, making it ideal as a
nonvolatile memory for small-scale parameter storage.
In addition, this product also supports DDC2^TM, so it can also be used as an EDID data storage memory for display
equipment.
Functions
• Capacity
: 2K bits (256 × 8 bits) + 2K bits (256 × 8 bits), 4K bits in total
• Bank structure
: 2 banks (2K bits + 2K bits)
• Single supply voltage
• Interface
: 2.5V to 5.5V
: Two wire serial interface (I²C Bus*), VESA DDC2^TM compliant**
• Operating clock frequency : 400kHz (max)
• Low power consumption : Standby: 5μA (max)
: Active (Read): 0.5mA (max)
* : I²C Bus is a trademark of Philips Corporation.
** : DDC and EDID are trademarks of Video Electronics Standard Association (VESA).
Continued on next page.
* This product is licensed from Silicon Storage Technology, Inc. (USA), and manufactured and sold by
SANYO Semiconductor Co., Ltd.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
10511 SY/82609 SY IM No.1514-1/20