Microchip Technology 93LC66AT-E/ST
Part Number:
- 93LC66AT-E/ST
Manufacturer:
- Microchip Technology
Ventron No:
- 3719075-93LC66AT-E/ST
Description:
- IC EEPROM 4KBIT 2MHZ 8TSSOP
Datasheet:
- 93LC66AT-E/ST
Payment:

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Part Overview
Description
The Microchip Technology Inc. 93XX66A/B/C devices are 4Kbit 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 93XX66A devices are available, while the 93XX668 devices provide dedicated 16-bit communication.
Advanced CMOS technology makes these devices ideal for low-power, nonvolatile 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, 8-lead 2x3 DFN/TDFN and 8-lead TSSOP. All packages are Pb-free (Matte Tin) finish.
Features
Low-Power CMOS Technology
ORG Pin to Select Word Size for '66C' Version
512 x 8-bit Organization 'A' Devices (no ORG)
256 x 16-bit organization B' Devices (no ORG)
Self-timed Erase/Write Cycles (including Auto-Erase)
Automatic Erase All (ERAL) Before Write All (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 Erase/Write Cycles
Data Retention > 200 Years
Pb-free and RoHS Compliant
Temperature Ranges Supported:
Industrial (1) -40°C to 85°C
Automotive (E) -40°C to 125°C
Applications
Nonvolatile memory applications
Low-power applications
Industrial applications
Automotive applications
The Microchip Technology Inc. 93XX66A/B/C devices are 4Kbit 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 93XX66A devices are available, while the 93XX668 devices provide dedicated 16-bit communication.
Advanced CMOS technology makes these devices ideal for low-power, nonvolatile 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, 8-lead 2x3 DFN/TDFN and 8-lead TSSOP. All packages are Pb-free (Matte Tin) finish.
Features
Low-Power CMOS Technology
ORG Pin to Select Word Size for '66C' Version
512 x 8-bit Organization 'A' Devices (no ORG)
256 x 16-bit organization B' Devices (no ORG)
Self-timed Erase/Write Cycles (including Auto-Erase)
Automatic Erase All (ERAL) Before Write All (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 Erase/Write Cycles
Data Retention > 200 Years
Pb-free and RoHS Compliant
Temperature Ranges Supported:
Industrial (1) -40°C to 85°C
Automotive (E) -40°C to 125°C
Applications
Nonvolatile memory applications
Low-power applications
Industrial applications
Automotive applications
Specifications
Microchip Technology 93LC66AT-E/ST technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology 93LC66AT-E/ST.
- Factory Lead Time6 Weeks
- Contact PlatingTin
- MountSurface Mount
- Mounting TypeSurface Mount
- Package / Case8-TSSOP (0.173, 4.40mm Width)
- Number of Pins8
- Operating Temperature-40°C~125°C TA
- PackagingTape & Reel (TR)
- Published2005
- JESD-609 Codee3
- Pbfree Codeyes
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations8
- ECCN CodeEAR99
- TechnologyCMOS
- Voltage - Supply2.5V~5.5V
- Terminal PositionDUAL
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage3V
- Terminal Pitch0.65mm
- Reflow Temperature-Max (s)40
- Base Part Number93LC66A
- Pin Count8
- Supply Voltage-Max (Vsup)5.5V
- Power Supplies3/5V
- Supply Voltage-Min (Vsup)2.5V
- InterfaceSerial
- Memory Size4Kb 512 x 8
- Nominal Supply Current2mA
- Memory TypeNon-Volatile
- Clock Frequency2MHz
- Access Time250 ns
- Memory FormatEEPROM
- Memory InterfaceSPI
- Memory Width8
- Write Cycle Time - Word, Page6ms
- Density4 kb
- Standby Current-Max0.000005A
- Serial Bus TypeMICROWIRE
- Endurance1000000 Write/Erase Cycles
- Write Cycle Time-Max (tWC)6ms
- Data Retention Time-Min200
- Write ProtectionSOFTWARE
- Height Seated (Max)1.2mm
- Length4.4mm
- Width3mm
- Radiation HardeningNo
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
Product Comparison
The three parts on the right have similar specifications to 93LC66AT-E/ST.
-
ImagePart NumberManufacturerFactory Lead TimeContact PlatingMountMounting TypePackage / CaseNumber of PinsOperating TemperaturePackagingPublishedJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeTechnologyVoltage - SupplyTerminal PositionPeak Reflow Temperature (Cel)Number of FunctionsSupply VoltageTerminal PitchReflow Temperature-Max (s)Base Part NumberPin CountSupply Voltage-Max (Vsup)Power SuppliesSupply Voltage-Min (Vsup)InterfaceMemory SizeNominal Supply CurrentMemory TypeClock FrequencyAccess TimeMemory FormatMemory InterfaceMemory WidthWrite Cycle Time - Word, PageDensityStandby Current-MaxSerial Bus TypeEnduranceWrite Cycle Time-Max (tWC)Data Retention Time-MinWrite ProtectionHeight Seated (Max)LengthWidthRadiation HardeningRoHS StatusLead FreeSupplier Device PackageSurface MountSeriesReach Compliance CodeJESD-30 CodeOperating ModeOrganizationMemory DensityParallel/SerialAlternate Memory WidthView Compare
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93LC66AT-E/ST6 WeeksTinSurface MountSurface Mount8-TSSOP (0.173, 4.40mm Width)8-40°C~125°C TATape & Reel (TR)2005e3yesActive1 (Unlimited)8EAR99CMOS2.5V~5.5VDUAL26013V0.65mm4093LC66A85.5V3/5V2.5VSerial4Kb 512 x 82mANon-Volatile2MHz250 nsEEPROMSPI86ms4 kb0.000005AMICROWIRE1000000 Write/Erase Cycles6ms200SOFTWARE1.2mm4.4mm3mmNoROHS3 CompliantLead Free----------- -
---Surface MountDie-0°C~70°C TATray---Active1 (Unlimited)--EEPROM2.5V~5.5V------93LC46C-----1Kb 128 x 8 64 x 16-Non-Volatile3MHz-EEPROMSPI-6ms-----------ROHS3 Compliant-Die--------- -
---Surface MountSOT-23-6--40°C~85°C TATape & Reel (TR)---Active1 (Unlimited)5-CMOS2.5V~5.5VDUAL-15V0.95mm-93LC66B-5.5V-2.5V-4Kb 256 x 16-Non-Volatile2MHz-EEPROMSPI166ms--MICROWIRE-6ms--1.45mm2.9mm1.55mm----YESAutomotive, AEC-Q100compliantR-PDSO-G5SYNCHRONOUS256X164096 bitSERIAL- -
---Surface Mount8-SOIC (0.154, 3.90mm Width)--40°C~125°C TATape & Reel (TR)---Active3 (168 Hours)8-CMOS2.5V~5.5VDUAL-15V1.27mm-93LC66C-5.5V-4.5V-4Kb 512 x 8 256 x 16-Non-Volatile2MHz-EEPROMSPI166ms--MICROWIRE-6ms--1.75mm4.9mm3.9mm-Non-RoHS Compliant--YESAutomotive, AEC-Q100-R-PDSO-G8SYNCHRONOUS256X164096 bitSERIAL8
Certification
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