Original Integrated Circuit Chip in Electronics 93LC66A-I/SN 1K-16K Microwire


93LC66A-I/SN
1K-16K Microwire Compatible Serial EEPROMs

Feature
• Densities from 1 Kbits through 16 Kbits
• Low-power CMOS technology
• Available with or without ORG function: With ORG function: - ORG pin at Logic Low: 8-bit word - ORG pin at Logic High: 16-bit word Without ORG function: - ‘A’ version: 8-bit word - ‘B’ version: 16-bit word
• Program Enable pin: - Write-protect for entire array (93XX76C and 93XX86C only)
• 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
• Pb-free and RoHS compliant
• Temperature ranges supported
- Industrial (I) -40°C to +85°C
- Automotive (E) -40°C to +125°C

Description:
Microchip Technology Inc. supports the 3-wire Microwire bus with low-voltage serial Electrically Erasable PROMs (EEPROM) that range in density from 1 Kbits up to 16 Kbits. Each density is available with and without the ORG functionality, and selected by the part number ordered. Advanced CMOS technology makes these devices ideal for low-power, nonvolatile memory applications. The entire series of Microwire devices are available in the standard 8-lead PDIP and SOIC packages, as well as the more advanced packaging such as the 8-lead MSOP, 8-lead TSSOP, 6-lead SOT-23, and 8-lead DFN (2x3). All packages are Pb-free. Pin Diagrams (not to scale)

Pin Function Table

Note: ORG and PE functionality not available in all products

DC CHARACTERISTICS

Note
1: This parameter is periodically sampled and not 100% tested
2: ORG and PE pins not available on ‘A’ or ‘B’ versions.
3: Ready/Busy status must be cleared from DO, see Section 4.4 “Data Out (DO)”.

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