LR24C64

LESHAN RADIO COMPANY, LTD. 32K bits (4096 X 8) / 64K bits (8192 X 8) Two-wire Serial EEPROM Two-wire Serial EEPROM LR 24C32/LR 24C64 Features Two-wire Serial Interface VCC = 1.8V to 5.5V Bi-directional Data Transfer Protocol Internally Organized LR24C32, 4096 X 8 (32K bits) LR24C64, 8192 X 8 (64K bits) 400 kHz (1.8V, 2.7V,5V) Compatibility 32-byte Page (32K/64K) Write Modes Partial Page Writes Allowed Self-timed Write Cycle (5 ms max) High-reliability 1 Million Write Cycles guaranteed Data Retention > 100 Years Operating Temperature: -40 to +85 8-lead PDIP, 8-lead SOP and 8-lead TSSOP Packages Pin Configuration Ordering Infomation LR24Cxx: PDIP8 LR24CxxD: SOP8 LR24CxxT: TSSOP8 Description LR24C32/LR24C64 provides 32768/65536 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 4096 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operations are essential. The LR24C32/LR24C64 is available in space-saving 8-lead PDIP, 8-lead SOP, and 8-lead TSSOP packages and is accessed via a two-wire serial interface. 1 LESHAN RADIO COMPANY, LTD. Pin Descriptions Pin number Designation Type Name and Functions 1–3 5 6 7 4 8 A0 - A2 SDA SCL WP GND VCC I I/O & Open-dr ain I I P P Address Inputs DEVICE/PAGE ADDRESSES (A2, A1, A0): The A2, A1 and A0 pins are device address inputs that are hardwired or left not connected for hardware compatibility with other 24Cxx devic...