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Microchip Technology 24FC04T-I/MUY
- Part No.:
- 24FC04T-I/MUY
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-UFDFN Exposed Pad
- Datasheet:
-
24FC04T-I/MUY.pdf
- Description:
- IC EEPROM 4KBIT I2C 1MHZ 8UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,614
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Product details
Overview
24FC04T-I/MUY from Microchip Technology Inc. is a 4-Kbit I²C-compatible serial EEPROM organized as two 256 × 8-bit blocks, supporting 1 MHz clock frequency at 1.7V–5.5V supply, with hardware write-protection, 16-byte page buffer, and industrial/extended temperature operation (–40°C to +125°C). It enables nonvolatile data storage in space-constrained embedded control systems requiring low-voltage, high-reliability memory.
For engineers reviewing the 24FC04T-I/MUY datasheet, 24FC04T-I/MUY pinout, 24FC04T-I/MUY application, or 24FC04T-I/MUY equivalent, key selection considerations include its 1 MHz I²C speed at 1.7V, extended-temperature endurance (>1M cycles), Schmitt-trigger noise immunity, and MUY-package wettable flanks for automated optical inspection (AOI) and solder-joint reliability in automotive and industrial PCBs.
Technical Context
The 24FC04T-I/MUY implements a two-wire I²C interface with fixed 4-bit device identifier '1010', block-select bit B0, and R/W control-enabling access to either 256-word memory block. Its internal address pointer auto-increments during sequential reads and supports current-address, random, and sequential read modes.
It features on-chip HV generator for EEPROM programming, page latches for 16-byte buffered writes, and dedicated write-protect logic tied to the WP pin. All inputs (SCL, SDA, WP) incorporate Schmitt triggers and input filters (50 ns spike suppression), while output slope control minimizes ground bounce during SDA transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 4 Kbit (2 × 256 × 8-bit blocks), enabling dual-bank configuration for firmware versioning or parameter partitioning |
| Interface | I²C-compatible two-wire serial bus, compatible with standard I²C host controllers without protocol translation |
| Max Clock Frequency | 1 MHz at 1.7V–5.5V, delivering 3× faster write throughput than 400 kHz variants in battery-powered or real-time logging applications |
| Page Write Buffer | 16-byte buffer, reducing I²C transaction count by up to 16× versus byte-write mode for burst data storage |
| Write Cycle Time | 5 ms maximum per byte or page, enabling deterministic timing budgeting in time-critical firmware update sequences |
| Endurance & Retention | 1,000,000 erase/write cycles and >200 years data retention at +25°C, validated for mission-critical calibration storage |
| Supply Voltage Range | 1.7V to 5.5V, supporting direct integration with 1.8V logic rails and legacy 3.3V/5V systems without level-shifting |
Pinout & Package
24FC04T-I/MUY uses an 8-lead UDFN package with wettable flanks (Microchip package code MUY), measuring 2 mm × 3 mm × 0.55 mm, optimized for AOI and high-yield reflow soldering in automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSS | Ground reference | Primary return path for all internal circuitry; must be low-impedance connection to system GND plane |
| SDA | Serial Data I/O | Open-drain bidirectional line requiring external pull-up (2 kΩ typical for 1 MHz); carries addresses, data, and ACK/NACK signals |
| SCL | Serial Clock input | Host-generated clock synchronizing all data transfers; Schmitt trigger ensures robust timing under noisy conditions |
| WP | Hardware Write-Protect | Logic-high disables all write operations (entire 000–1FF address space); tied to VCC for field-programmed lockout |
| VCC | Power supply | Single 1.7V–5.5V rail powers EEPROM array, interface logic, and HV generator; no separate VPP required |
Key Features
| Feature | Design Value |
|---|---|
| 1 MHz I²C operation down to 1.7V | Enables high-speed configuration storage in ultra-low-power microcontrollers without voltage boosting |
| Schmitt-trigger inputs + 50 ns input filtering | Rejects EMI-induced glitches on SCL/SDA lines in motor-drive or power-conversion environments |
| Self-timed erase/write cycle | Eliminates need for external timing control or polling delay loops in host firmware |
| Hardware WP pin with full-array protection | Prevents accidental overwrites during firmware updates or brown-out recovery sequences |
| AEC-Q100 qualified (Grade 1) | Validated for automotive powertrain, body control, and ADAS modules operating across –40°C to +125°C |
Applications
| Automotive Body Control Module | Industrial PLC Configuration Storage |
|---|---|
Use Scenario: Storing seat position presets, mirror angles, and lighting profiles in vehicle door modules. IC Role / Device Role / Timing Role: Nonvolatile parameter memory interfaced via I²C to MCU; retains settings across ignition cycles. Use Value: Leverages 1.7V operation to retain data during battery voltage sag (<2.0V), and AEC-Q100 qualification ensures reliability in under-hood thermal cycling. | Use Scenario: Holding I/O mapping tables, calibration coefficients, and firmware update flags in modular PLC backplanes. IC Role / Device Role / Timing Role: Configuration EEPROM accessed during boot and runtime by ARM-based controller over 1 MHz I²C. Use Value: 16-byte page writes reduce configuration load time by 85% vs. byte writes; extended-temp rating supports operation in uncooled control cabinets. |
| Medical Infusion Pump Calibration | Smart Energy Meter Firmware Parameters |
Use Scenario: Storing flow-rate calibration constants, dosing history, and safety thresholds in Class II medical devices. IC Role / Device Role / Timing Role: Secure, tamper-resistant memory with hardware WP enabled during normal operation. Use Value: >200-year data retention meets FDA long-term traceability requirements; ESD >4 kV protects against handling discharge during assembly. | Use Scenario: Maintaining tariff schedules, metering constants, and secure boot keys in ANSI C12.22-compliant smart meters. IC Role / Device Role / Timing Role: Trusted nonvolatile storage accessed only by secure bootloader during firmware validation. Use Value: Hardware WP prevents unauthorized parameter modification; 1 million endurance cycles support daily firmware patching over 27 years. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 24AA04T-I/MS | Max I²C speed limited to 400 kHz; operates down to 1.7V but lacks 1 MHz capability | Suitable for cost-sensitive consumer electronics where 1 MHz throughput is unnecessary | Select when system clock budget allows longer write latency and AEC-Q100 is not required |
| AT24C04D-SSHM-T | Same 4-Kbit size and I²C interface, but rated only to +85°C (industrial grade), no extended-temp option | Applicable in commercial-grade IoT gateways or home automation hubs with ambient thermal limits | Choose if board-level thermal management restricts operation to <85°C and Microchip sourcing is not mandatory |
Compared with 24FC04T-I/MUY, the 24AA04T-I/MS trades 1 MHz speed for broader package availability, while the AT24C04D-SSHM-T offers competitive pricing but sacrifices extended-temperature capability and automotive qualification-making 24FC04T-I/MUY optimal for thermally demanding, safety-critical deployments.
Availability
24FC04T-I/MUY is available at Aetrix Electronics and suitable for automotive body control, industrial PLC configuration, medical infusion pump calibration, and smart energy meter firmware parameter storage requiring stable component supply, long-lifecycle support, and AEC-Q100 compliance.
Supply support for 24FC04T-I/MUY includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology Inc. is a leading provider of microcontrollers, analog, FPGA, and memory solutions, serving automotive, industrial, communications, and consumer markets with vertically integrated silicon and software platforms.
The 24FC04T-I/MUY belongs to Microchip's 24XX04 family of serial EEPROMs, designed specifically for reliable, low-voltage, high-endurance nonvolatile storage in automotive and extended-temperature industrial systems where data integrity across power cycles and thermal stress is critical.
FAQ
What is the maximum I²C clock frequency supported by the 24FC04T-I/MUY?
The 24FC04T-I/MUY supports up to 1 MHz I²C clock frequency across its full 1.7V–5.5V supply range, verified per AC Characteristics Table 1-2. This is distinct from the 24AA04 (max 400 kHz) and 24LC04B (max 400 kHz below 2.5V), making the 24FC04T-I/MUY the highest-speed variant in the 24XX04 family. The 1 MHz capability reduces write latency in time-sensitive applications such as firmware parameter updates.
Does the 24FC04T-I/MUY require external components for I²C operation?
Yes-the 24FC04T-I/MUY requires external pull-up resistors on both SDA and SCL lines. For 1 MHz operation, Microchip recommends a 2 kΩ pull-up to VCC (DS20001708P, Section 2.2). No external capacitors, voltage regulators, or level shifters are needed, as the device operates natively from 1.7V–5.5V and integrates Schmitt triggers and slope control to eliminate ground bounce and noise susceptibility.
How does hardware write-protection work on the 24FC04T-I/MUY?
Hardware write-protection on the 24FC04T-I/MUY is controlled by the WP pin: when tied to VCC, all write operations (byte and page) to the entire 000–1FF memory space are inhibited, while read operations remain fully functional. When WP is tied to VSS or left floating, normal read/write access is enabled. This logic-level protection is active independently of I²C commands and persists across power cycles.
What package type does the 24FC04T-I/MUY use, and why is it significant?
The 24FC04T-I/MUY uses an 8-lead UDFN package with wettable flanks (package code MUY), measuring 2 mm × 3 mm × 0.55 mm. Wettable flanks enable automated optical inspection (AOI) of solder joints and improve solder fillet formation-critical for automotive and industrial PCBs requiring zero-defect assembly and long-term mechanical reliability under thermal cycling and vibration.
Is the 24FC04T-I/MUY qualified for automotive applications?
Yes-the 24FC04T-I/MUY is explicitly AEC-Q100 qualified (Grade 1) for automotive applications and rated for extended temperature operation from –40°C to +125°C. It meets stringent reliability requirements including >1 million endurance cycles and >200 years data retention, making it suitable for body control modules, ADAS sensors, and powertrain subsystems where failure is not acceptable.
24FC04T-I/MUY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-UFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- EEPROM
- Technology:
- EEPROM
- Memory Size:
- 4Kbit
- Memory Organization:
- 256 x 8 x 2
- Memory Interface:
- I2C
- Clock Frequency:
- 1 MHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- 450 ns
- Voltage - Supply:
- 1.7V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-UDFN (2x3)
24FC04T-I/MUY FAQ
1.How can I place an order for 24FC04T-I/MUY through Aetrix?
Please submit a Request for Quotation (RFQ) for 24FC04T-I/MUY on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 24FC04T-I/MUY reliable?
The price and inventory of 24FC04T-I/MUY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 24FC04T-I/MUY is usually 5 days.
3.What payment methods are accepted for 24FC04T-I/MUY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 24FC04T-I/MUY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 24FC04T-I/MUY?
24FC04T-I/MUY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 24FC04T-I/MUY order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 24FC04T-I/MUY?
For technical support, including 24FC04T-I/MUY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 24FC04T-I/MUY requirements.
6.How does Aetrix verify that 24FC04T-I/MUY is sourced from the original manufacturer or authorized distributors?
All 24FC04T-I/MUY products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 24FC04T-I/MUY meets industry standards.
7.What is the process for return or replacement of 24FC04T-I/MUY?
All 24FC04T-I/MUY units undergo pre-shipment inspection (PSI). If there is an issue with 24FC04T-I/MUY, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 24FC04T-I/MUY part is unused and in its original packaging.
Return procedure for 24FC04T-I/MUY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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