93LC46AT-I/OT Microchip Integrated Circuit (SOT23 (6-Pin)) In Stock
The 93LC46AT-I/OT is a 1Kbit (128x8) serial EEPROM from Microchip with a 3-wire Microwire-compatible SPI interface, 3MHz maximum clock frequency, 1 million write/erase cycles endurance, and a minimum 200-year data retention period in a compact 6-pin SOT-23 package. It operates over an industrial temperature range and is suited for storing calibration data and configuration parameters in embedded systems. Available in stock from authorized distributors worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- 93LC46AT-I/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2284(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 93LC46AT-I/OT?
- 1Kbit (128x8) EEPROM with Microwire-compatible 3-wire SPI interface for easy integration with most microcontrollers
- 1 million write/erase cycle endurance for long product lifetime in frequently updated configuration storage
- Minimum 200-year data retention ensuring non-volatile storage reliability over the full product lifecycle
- 3MHz maximum clock frequency supporting high-speed serial communication in fast embedded applications
- Compact 6-pin SOT-23 package enabling minimal PCB footprint for space-constrained portable and industrial designs
What is 93LC46AT-I/OT used for?
The 93LC46AT-I/OT is widely used for storing non-volatile configuration data, calibration constants, and device identifiers in embedded systems such as industrial sensors, consumer electronics, and automotive modules. Its Microwire-compatible interface ensures broad compatibility with PIC, AVR, ARM, and other popular microcontroller families through standard SPI peripherals. The device is also well suited for EEPROM emulation in smart meters, medical devices, and communication equipment requiring reliable data retention over extended product lifetimes.
What are the specifications of 93LC46AT-I/OT?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-6 |
| Factory Lead Time | 5Weeks |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 3MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Memory Density | 1024bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 128words |
| Number of Words Code | 128 |
| Operating Mode | SYNCHRONOUS |
| Organization | 128X8 |
| Output Characteristics | TOTEM POLE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Ready/Busy | YES |
| Reverse Pinout | NO |
| Screening Level | TS 16949 |
| Serial Bus Type | I2C |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.002mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Write Cycle Time-Max (tWC) | 6ms |
| Write Protection | SOFTWARE |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Malaysia, Thailand |
Where can I find the 93LC46AT-I/OT datasheet?
93LC46AT-I/OT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 93LC46AT-I/OT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the memory density and organization of the 93LC46AT-I/OT?
The 93LC46AT-I/OT is a 1Kbit EEPROM organized as 128 words x 8 bits (128 bytes). This density is suitable for storing small amounts of non-volatile data such as serial numbers, calibration coefficients, configuration settings, and device-specific parameters in embedded systems.
What interface does the 93LC46AT-I/OT use and what is its maximum clock speed?
The 93LC46AT-I/OT uses a 3-wire Microwire-compatible serial interface (a subset of SPI) with a maximum clock frequency of 3MHz. This interface is directly supported by most microcontrollers' hardware SPI peripherals, making integration straightforward without requiring bit-banging or special firmware.
What are the endurance and data retention specifications of the 93LC46AT-I/OT?
The 93LC46AT-I/OT is rated for a minimum of 1 million write/erase cycles per byte, ensuring extremely long operational life even in applications with frequent configuration updates. Its minimum data retention time is 200 years, guaranteeing that stored data will not be lost over the expected product lifetime under normal storage conditions.
What package does the 93LC46AT-I/OT use and what are its operating conditions?
The 93LC46AT-I/OT comes in a 6-pin SOT-23 surface-mount package (Manufacturer code SOT-23-6, JEDEC code R-PDSO-G6). It is rated for industrial temperature operation, making it suitable for use in environments with wide temperature variations such as industrial equipment, outdoor electronics, and automotive accessory modules.
What applications is the 93LC46AT-I/OT commonly used for?
The 93LC46AT-I/OT is commonly used to store non-volatile configuration data, serial numbers, and calibration constants in embedded systems. Typical applications include smart meters, industrial sensors, consumer appliances, medical devices, networking equipment, and automotive modules where a small amount of reliable non-volatile storage is needed alongside a host microcontroller.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.2284 | $0.23 |
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