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Product Detailed Parameters
- Description：IC EEPROM 1KBIT 3-WIRE 8TSSOP
- Series：-
- Mfr：Fremont Micro Devices Ltd
- Package：Tape & Reel (TR),Cut Tape (CT)
- Memory Type：Non-Volatile
- Memory Format：EEPROM
- Technology：EEPROM
- Memory Size：1Kbit
- Memory Organization：128 x 8, 64 x 16
- Memory Interface：3-Wire Serial
- Clock Frequency：1 MHz
- Write Cycle Time - Word, Page：10ms
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：8-TSSOP
- Access Time：-
- Grade：-
- Qualification：-
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Overview
The FT93C46A-UTR-B is a non-volatile EEPROM memory integrated circuit manufactured by Fremont Micro Devices Ltd. It features a storage capacity of 1Kb with an organization of 128 x 8 or 64 x 16 bits. The device utilizes a 3-wire serial interface and supports a maximum clock frequency of 2 MHz. Operating voltage ranges from 1.8V to 5.5V, with a write cycle time of 10ms. It is housed in an 8-TSSOP package and operates within a temperature range of -40°C to 85°C.
Feature Summary
- Non-volatile data retention capability for persistent storage
- Supports 3-wire serial communication protocol
- Wide operating voltage range compatibility
Applications
- General-purpose data storage in embedded systems
- Configuration parameter storage in industrial controllers
- Calibration data retention in sensor modules
Procurement Notes
Verify the specific suffix against official documentation, as 'B' and 'T' denote different packaging types (tube vs. tape and reel). Confirm current availability status directly with the manufacturer or authorized distributors, as supply chain updates may affect stock levels. Ensure the selected variant matches the required assembly process for the target application.
Selection Notes
Select this component when a 1Kb EEPROM with 3-wire interface is required. Compare the 8-TSSOP package dimensions against PCB layout constraints. Verify that the 1.8V to 5.5V supply range aligns with the system power architecture. Consider the 10ms write cycle time for timing requirements in the application design.
Part Context
This part belongs to the 93C46A family of EEPROMs, which are widely used for small-scale data storage. The FT prefix indicates Fremont Micro Devices Ltd manufacturing. The device is functionally compatible with other industry-standard 93C46A variants, facilitating cross-supplier sourcing strategies.
Replacement Considerations
FT93C46A-ITR-B is listed as a direct substitute. AT93C46D-TH-B and AT93C46D-TH-T from Microchip Technology are also identified as direct alternatives.
