General Description
   The EC93C56A/66A provides 2048/4096 bits of serial electrically erasable programmable read only memory (EEPROM) organized as 128/256 words of 16 bits each, when the ORG pin is connected to VCC and 256/512 words of 8 bits each when it is tied to ground. The EC93C56A/66A is available in space-saving PDIP-8, SOP-8, TSSOP-8, MSOP-8, and DFN-8 packages. 

FEATUREs
● Low-voltage Operation
   - 1.7V (VCC = 1.7V to 5.5V)
● Three-wire Serial Interface
● Sequential Read Operation
● 2 MHz Clock Rate (5V) Compatibility
● Self-timed Write Cycle (5 ms max)
● High-reliability
   - Endurance: 1 Million Write Cycles
   - Data Retention: 100 Years
● PDIP-8, SOP-8, TSSOP-8, MSOP-8 and
   DFN-8 packages.