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LDS-32-WW
M14C64 M14C32 Memory Card IC 64/32 Kbit Serial I²C Bus EEPROM s Single Supply Voltage (2.5 V to 5.5 V) s Hardware Write Control s BYTE and PAGE WRITE (up to 32 Bytes) s BYTE, RANDOM and SEQUENTIAL READ Modes s Self-Timed Programming Cycle s Automatic Address Incrementing s Enhanced ESD/Latch-Up Behaviour s 1 Million Erase/Write Cycles (minimum) s 40 Year Data Retention (minimum) s 5 ms Programming Time (typical) DESCRIPTION Each device is an electrically erasable programmable memory (EEPROM) fabricated with STMicroelectronics’s High Endurance, Single Polysilicon, CMOS technology. This guarantees an endurance typically well above one million Erase/Write cycles, with a data retention of 40 years. The memory operates with a power supply as low as 2.5 V. The M14C32 is available in wafer form (either sawn or unsawn) and in micromodule form (on film). The M14C64 is available in micro-module 2 Two Wire I2C Serial Interface Supports 400 kHz Protocol 2 s 2 Compatible with I2C Extended Addressing 2 s Micromodule (D20) Micromodule (D22) Wafer Figure 1. Logic Diagram VCC Table 1. Signal Names SDA Serial Data/Address Input/ Output SCL Serial Clock WC Supply Voltage GND SDA Write Control VCC SCL Ground WC M14xxx GND AI02217 October 1999 1/14
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