M93C56-RDW3TP/K STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
STMicroelectronics M93C56-RDW3TP/K is an automotive-grade 2 Kbit MICROWIRE serial EEPROM supporting 8-bit or 16-bit wide access modes with a 2 MHz maximum clock frequency, housed in an 8-pin SOIC package. It is AEC-Q100 qualified for use in demanding automotive environments. Available from stock worldwide with fast shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- M93C56-RDW3TP/K Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2574(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of M93C56-RDW3TP/K?
- 2 Kbit MICROWIRE serial EEPROM with selectable 8-bit or 16-bit organization, offering flexible data width for diverse microcontroller interfaces
- AEC-Q100 automotive qualification ensuring reliability across extended temperature ranges and harsh in-vehicle environments
- 8-pin SOIC package with 2 MHz clock support, enabling fast serial access while occupying minimal PCB real estate in automotive ECU designs
What is M93C56-RDW3TP/K used for?
The M93C56-RDW3TP/K is designed for automotive electronic control units (ECUs), instrument clusters, and body control modules that require compact non-volatile parameter storage compliant with automotive reliability standards. Its MICROWIRE serial interface simplifies integration with automotive microcontrollers, while the 2 Kbit density is ideal for storing calibration data, configuration tables, and odometer or trip counter values. The AEC-Q100 qualification and extended temperature operation make it a standard choice in powertrain, chassis, and ADAS subsystem designs.
What are the specifications of M93C56-RDW3TP/K?
| Factory Lead Time | 14Weeks |
| YTEOL | 15 |
| Alternate Memory Width | 8 |
| Clock Frequency-Max (fCLK) | 2MHz |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Memory Density | 2048bit |
| Memory IC Type | EEPROM |
| Memory Width | 16 |
| Number of Functions | 1 |
| Number of Words | 128words |
| Number of Words Code | 128 |
| Operating Mode | SYNCHRONOUS |
| Organization | 128X16 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Serial Bus Type | MICROWIRE |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.8V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Write Cycle Time-Max (tWC) | 4ms |
| Package | Small Outline Packages |
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 | Mainland China |
Where can I find the M93C56-RDW3TP/K datasheet?
M93C56-RDW3TP/K Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for M93C56-RDW3TP/K?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What memory density and organization options does M93C56-RDW3TP/K provide for automotive ECU parameter storage?
The M93C56-RDW3TP/K provides 2 Kbits (256 bytes) of EEPROM storage, selectable as either 128 words of 16 bits or 256 bytes of 8 bits via an ORG pin. This dual-width flexibility lets automotive engineers align the device with their microcontroller's native word size, reducing firmware complexity in ECU and body control module designs.
Which automotive qualification standard does M93C56-RDW3TP/K meet, and what operating temperature range does this imply?
The M93C56-RDW3TP/K is qualified to AEC-Q100 Grade 1, which specifies an operating temperature range of -40 °C to +125 °C. This makes it suitable for under-hood and in-cabin automotive applications where components must endure wide thermal excursions, vibration, and humidity over a vehicle's service life of 15 or more years.
How does the MICROWIRE interface of M93C56-RDW3TP/K compare to I2C or SPI for automotive microcontroller integration?
MICROWIRE is a 3-wire synchronous serial interface (CS, CLK, DI/DO) that operates at up to 2 MHz on the M93C56-RDW3TP/K. Compared to I2C, it eliminates the need for address arbitration, simplifying firmware. Compared to full SPI, it uses a single bidirectional data line, reducing pin count. Many legacy automotive MCU peripherals natively support MICROWIRE, making the M93C56 a direct drop-in for existing ECU platforms.
For a compact automotive sensor module PCB, how does the M93C56-RDW3TP/K 8-pin SOIC package help with board space constraints?
The 8-pin SOIC package of the M93C56-RDW3TP/K occupies a footprint of approximately 5 mm x 4 mm, which is well-suited for area-constrained automotive sensor modules and telematics units. The small outline allows routing of the 3-wire MICROWIRE bus with minimal trace length, reducing susceptibility to EMI in noisy 12 V automotive environments where signal integrity at 2 MHz clock rates must be maintained.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.5100 | $51.00 |
| 250+ | $0.3168 | $79.20 |
| 500+ | $0.2772 | $138.60 |
| 1000+ | $0.2574 | $257.40 |
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