93LC66BT/SN product image


Microchip Technology
The Microchip Technology Inc. 93XX66A/B/C(93LC66BT/SN ) devices are 4K bit low voltage serial Electrically Erasable PROMs (EEPROM). Word-selectable devices such as the 93AA66C, 93LC66C or 93C66C are dependent upon external logic levels driving the ORG pin to set word size. For dedicated 8-bit communication, the 93AA66A, 93LC66A or 93C66A devices are available, while the 93AA66B, 93LC66B and 93C66B devices provide dedicated 16-bit communication. Advanced CMOS technology makes these devices ideal for low power, non-volatile memory applications. The entire 93XX Series is available in standard packages including 8-lead PDIP and SOIC, and advanced packaging including 8-lead MSOP, 6-lead SOT-23, and 8-lead TSSOP. Pb-free (Pure Matte Sn) finish is also available.
93LC66BT/SN Features
• Low-power CMOS technology
• ORG pin to select word size for ‘66C version
• 512 x 8-bit organization ‘A’ ver. devices (no ORG)
• 256 x 16-bit organization ‘B’ ver. devices (no ORG)
• Self-timed ERASE/WRITE cycles (including auto-erase)
• Automatic ERAL before WRAL
• Power on/off data protection circuitry
• Industry standard 3-wire serial I/O
• Device Status signal (READY/BUSY)
• Sequential READ function
• 1,000,000 E/W cycles
• Data retention > 200 years


Memory Size:4 Kbit
Organization:256 x 16
Maximum Clock Frequency:2 MHz
Maximum Operating Current:2 mA, 1 mA
Operating Supply Voltage:2.5 V to 5.5 V
Maximum Operating Temperature:+ 70 C
Minimum Operating Temperature:0 C
Operating Current:500 uA, 100 uA
Supply Voltage - Min:2.5 V
Supply Voltage - Max:6 V
93LC66BT/SN Price
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