FEATURES
• Single supply with programming operation down to 1.8V
• Low power CMOS technology
   - 70uA typical active READ current at 1.8V
   - 2uA typical standby current at 1.8V
• ORG pin selectable memory configuration
   - 128 x 8- or 64 x 16-bit organization (93AA46)
   - 256 x 8- or 128 x 16-bit organization (93AA56)
   - 512 x 8 or 256 x 16 bit organization (93AA66)
• Self-timed ERASE and 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 during ERASE/WRITE cycles
• Sequential READ function
• 10,000,000 ERASE/WRITE cycles guaranteed on 93AA56 and 93AA66
• 1,000,000 E/W cycles guaranteed on 93AA46
• Data retention > 200 years
• 8-pin PDIP/SOIC (SOIC in JEDEC and EIAJ standards)
• Temperature ranges supported
- Commercial (C): 0°C to +70°C

DESCRIPTION
 The Microchip Technology Inc. 93AA46/56/66 are 1K, 2K and 4K low voltage serial Electrically Erasable PROMs. The device memory is configured as x8 or x16 bits depending on the ORG pin setup. Advanced CMOS technology makes these devices ideal for low power non-volatile memory applications.
 The 93AA Series is available in standard 8-pin DIP and surface mount SOIC packages. The rotated pin-out 93AA46X/ 56X/66X are offered in the “SN” package only.

93AA46 93AA56 93AA66

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FEATURES
• Single supply with operation down to 2.5V
• Low power CMOS technology
- 1 mA active current (typical)
- 1 µA standby current (maximum)
• 128 x 8 bit organization (93LC46A)
• 64 x 16 bit organization (93LC46B)
• Self-timed ERASE and WRITE cycles (including auto-erase)
• Automatic ERAL before WRAL
• Power on/off data protection circuitry
• Industry standard 3-wire serial interface
• Device status signal during ERASE/WRITE cycles
• Sequential READ function
• 1,000,000 E/W cycles guaranteed
• Data retention > 200 years
• 8-pin PDIP/SOIC and 8-pin TSSOP packages
• Available for the following temperature ranges:
- Commercial (C):                      0°C to +70°C
- Industrial (I):                        -40°C to +85°C

DESCRIPTION
The Microchip Technology Inc. 93LC46AX/BX are 1Kbit, low voltage serial Electrically Erasable PROMs. The device memory is configured as x8 (93LC46A) or x16 bits (93LC46B). Advanced CMOS technology makes these devices ideal for low power nonvolatile memoryapplications.
The 93LC46AX/BX is available in standard 8-pin DIP, 8-pin surface mount SOIC, and TSSOP packages. The 93LC46AX/BX are offered only in a 150-mil SOIC package.

93LC46B 93LC46AT 93LC46AX 93LC46AXT 93LC46B 93LC46BT 93LC46BX 93LC46BXT

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FEATURES
• Single supply with programming operation down to 2.0V (Commercial only)
• Low power CMOS technology
- 1 mA active current typical
- 5mA standby current (typical) at 3.0V
• ORG pin selectable memory configuration
- 128 x 8 or 64 x 16-bit organization (93LC46)
- 256 x 8 or 128 x 16-bit organization(93LC56)
- 512 x 8 or 256 x 16-bit organization(93LC66)
• Self-timed ERASE and 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 during ERASE/WRITE cycles
• Sequential READ function
• 10,000,000 ERASE/WRITE cycles guaranteed on 93LC56 and 93LC66
• 1,000,000 E/W cycles guaranteed on 93LC46
• Data retention > 200 years
• 8-pin PDIP/SOIC and 14-pin SOIC package (SOIC in JEDEC and EIAJ standards)
• Temperature ranges supported
- Commercial (C): 0 °C to +70 °C
- Industrial (I): -40 °C to +85 °C

DESCRIPTION
The Microchip Technology Inc. 93LC46/56/66 are 1K, 2K, and 4K low-voltage serial Electrically Erasable PROMs. The device memory is configured as x8 or x16 bits, depending on the ORG pin setup. Advanced CMOS technology makes these devices ideal for low-power, nonvolatile memory applications. The 93LC46/56/66 is available in standard 8-pin DIP and 8/ 14-pin surface mount SOIC packages. The 93LC46X/ 56X/66X are only offered in an “SN” package.

93LC46T-I/P 93LC46T-I/SM 93LC66XT-I/P 93LC66-I/SL 93LC56XT-I/SN

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