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Renesas AT25PE20-MHN-T
- Part No.:
- AT25PE20-MHN-T
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 8-UDFN Exposed Pad
- Datasheet:
-
AT25PE20-MHN-T.pdf
- Description:
- IC FLASH 2MBIT SPI 85MHZ 8UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,146
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Product details
Overview
AT25PE20-MHN-T from Adesto Technologies is a 2-Mbit serial Flash memory with SPI interface, 1.65V–3.6V single-supply operation, 85MHz max clock speed, 6ns clock-to-output time, and configurable 256/264-byte page size. It integrates one 256/264-byte SRAM buffer for E²PROM emulation and supports RapidS™ high-speed read modes for voice, firmware, and image storage in embedded systems.
For engineers reviewing the AT25PE20-MHN-T datasheet, AT25PE20-MHN-T pinout, AT25PE20-MHN-T application, or AT25PE20-MHN-T equivalent, key selection considerations include its ultra-low 300nA deep power-down current, flexible erase granularity (page/2KB/32KB/chip), hardware write protection, and industrial temperature support (−40°C to +85°C).
Technical Context
The AT25PE20-MHN-T implements a sequential-access DataFlash-L® architecture with dedicated SRAM buffer and self-timed erase/program operations. Its SPI interface supports modes 0 and 3, and it uses MSB-first 21- or 22-bit addressing depending on selected page size (256 vs. 264 bytes).
It features dual read paths: Continuous Array Read (with wrap-around across pages) and Main Memory Page Read (wrap-around within page), plus Buffer Read/Write and three distinct page program variants - all controlled via 8-bit opcodes and validated status register feedback (RDY/BUSY, EPE).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Capacity | 2,162,688 bits (2-Mbit), organized as 1,024 pages of 256 or 264 bytes |
| Supply Voltage | 1.65V–3.6V single supply - enables direct interfacing with 1.8V/2.5V/3.3V logic without level shifters |
| Max Clock Frequency | 85MHz - supports RapidS™ high-speed read for real-time streaming applications |
| Access Time | 6ns tV (clock-to-output) - ensures minimal latency in time-critical firmware fetch scenarios |
| Power Consumption | 300nA typical ultra-deep power-down current - extends battery life in always-on sensor nodes |
| Erase Granularity | Page (256/264 B), Block (2KB), Sector (32KB), Chip (2-Mbit) - enables precise field firmware updates without full reflash |
| Data Retention | 20 years - guarantees long-term reliability in industrial control and medical logging |
| Endurance | 100,000 program/erase cycles per page - supports frequent configuration or calibration data writes |
Pinout & Package
AT25PE20-MHN-T is packaged in an 8-lead SOIC (0.208" wide), with pins fully compatible with JEDEC MS-012AC standard. All signals are CMOS-level compatible and support 3-wire SPI communication plus hardware reset and write protection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select | Active-low enable; initiates command sequence on high-to-low transition and terminates on low-to-high |
| SCK | Serial Clock | Input clock; commands/data latched on rising edge, SO data output on falling edge |
| SI | Serial Input | Command, address, and data input path; ignored when CS is deasserted |
| SO | Serial Output | Data output path; tri-stated when CS is high; outputs status, memory, or buffer contents |
| WP | Write Protect | Hardware lock; prevents program/erase of protected sectors regardless of software state |
| RESET | Reset Input | Active-low hard reset; terminates ongoing operation and returns state machine to idle |
| VCC | Power Supply | 1.65V–3.6V supply input; powers all internal logic and memory arrays |
| GND | Ground Reference | System ground return; required for stable bias and noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Configurable Page Size | Factory-default 256-byte pages or customer-selectable 264-byte pages - enables optimized E²PROM emulation with extra overhead byte |
| RapidS™ High-Speed Read | Up to 85MHz continuous array read - delivers >10MB/s effective throughput for audio/video buffering |
| Dual Power-Down Modes | 300nA ultra-deep and 5µA deep power-down - allows dynamic sleep-state selection based on wake-up latency requirements |
| On-Chip Security Register | 128-byte factory-programmed unique ID - provides hardware root-of-trust for secure boot and device authentication |
| Self-Contained Page Modify | Single-command read-modify-write - eliminates external RAM buffering for byte-level updates in firmware parameter tables |
| JEDEC ID Support | Standard Manufacturer and Device ID read - enables automatic part identification during system initialization |
Applications
| Industrial PLC Firmware Storage | Medical Sensor Data Logger |
|---|---|
Use Scenario: Storing and updating programmable logic controller firmware images in harsh factory environments with wide temperature swings. IC Role / Device Role / Timing Role: Nonvolatile code storage with in-system reprogrammability via SPI; supports rapid partial updates using sector erase. Use Value: 20-year data retention and 100,000-cycle endurance ensure firmware integrity over multi-decade equipment lifespans without field replacement. | Use Scenario: Capturing timestamped physiological waveforms (ECG, SpO₂) in portable diagnostic devices with intermittent power. IC Role / Device Role / Timing Role: Low-power sequential data recorder using buffer-assisted page programming and ultra-deep power-down between samples. Use Value: 300nA deep power-down current minimizes quiescent drain, extending single-cell coin-cell battery life to >2 years in standby mode. |
| Smart Meter Bootloader | Automotive Infotainment UI Assets |
Use Scenario: Hosting secure, field-upgradable bootloader code in utility meters subject to strict regulatory certification cycles. IC Role / Device Role / Timing Role: Trusted boot source with hardware write protection (WP pin) and factory-unique ID for cryptographic signature verification. Use Value: Hardware-enforced sector protection prevents unauthorized modification, satisfying IEC 62056 and ANSI C12.22 security requirements. | Use Scenario: Storing compressed GUI assets (icons, fonts, animations) for head-unit displays requiring fast load times and frequent UI version changes. IC Role / Device Role / Timing Role: High-bandwidth asset cache using RapidS™ 85MHz read mode and continuous array access with zero page-boundary delay. Use Value: 6ns tV and seamless page-wrap enable sub-10ms UI asset streaming, eliminating visual stutter during menu transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Winbond W25Q20EW | 2-Mbit, 1.7V–1.95V/2.7V–3.6V dual supply; no SRAM buffer; no RapidS™; 133MHz max clock | Lacks E²PROM emulation capability and low-power deep-sleep modes; requires tighter voltage control | Choose for cost-sensitive designs where buffer-based modify operations are unnecessary and higher clock speed offsets missing RapidS™ latency benefits |
| Macronix MX25L2006E | 2-Mbit, 2.7V–3.6V only; no configurable page size; no ultra-deep power-down (1µA typical); no factory UID | Not suitable for 1.8V systems or battery-powered applications requiring <1µA sleep current | Choose when operating exclusively at 3.3V and security/authentication features are not required |
Compared with W25Q20EW and MX25L2006E, the AT25PE20-MHN-T uniquely combines 1.65V operation, integrated SRAM buffer for atomic modify operations, 300nA deep power-down, and factory-programmed UID - making it optimal for energy-constrained, secure, and mixed-voltage embedded systems.
Availability
AT25PE20-MHN-T is available at Aetrix Electronics and suitable for industrial PLC firmware storage, medical sensor data logging, smart meter bootloader hosting, automotive infotainment UI caching, and secure IoT node configuration management requiring stable component supply across extended product lifecycles.
Supply support for AT25PE20-MHN-T 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
Adesto Technologies (acquired by Dialog Semiconductor, now part of Renesas Electronics) specialized in low-power, nonvolatile memory and IoT interface solutions before integration into Renesas' broad analog and embedded portfolio.
The AT25PE20-MHN-T belongs to Adesto's DataFlash-L® family, designed specifically for energy-efficient, sequential-access storage in resource-constrained embedded systems where pin count, power budget, and firmware update flexibility are critical.
FAQ
What is the operating voltage range supported by the AT25PE20-MHN-T?
The AT25PE20-MHN-T operates from a single 1.65V to 3.6V supply across the full industrial temperature range (−40°C to +85°C). This wide range allows direct compatibility with 1.8V, 2.5V, and 3.3V microcontroller I/O domains without external level-shifting circuitry, simplifying design and reducing BOM cost in mixed-voltage systems.
Does the AT25PE20-MHN-T support true byte-level writes like EEPROM?
No, the AT25PE20-MHN-T does not perform true byte-level writes. However, it enables EEPROM-like functionality via its integrated 256/264-byte SRAM buffer and single-command read-modify-write operation - allowing atomic updates to individual bytes or fields within a page without external RAM or complex firmware overhead.
What package type is used for the AT25PE20-MHN-T?
The AT25PE20-MHN-T uses an 8-lead SOIC package with 0.208" body width (JEDEC MS-012AC), featuring gull-wing leads and RoHS-compliant, halide-free green molding compound. This package is footprint-compatible with industry-standard 8-pin SPI Flash devices and supports automated PCB assembly.
How does the RapidS™ interface improve performance over standard SPI reads?
The RapidS™ interface in the AT25PE20-MHN-T enables continuous array reads at up to 85MHz with zero inter-byte delay and automatic page-wrap - achieving sustained throughput exceeding 10MB/s. Unlike standard SPI, it eliminates command/address retransmission overhead between bytes, significantly accelerating firmware loading and media streaming.
Is the 128-byte Security Register user-writable?
No, the 128-byte Security Register in the AT25PE20-MHN-T is factory-programmed with a unique identifier and is read-only. It cannot be modified by the user or host system, providing a tamper-resistant hardware root-of-trust for secure boot, device authentication, and license binding applications.
AT25PE20-MHN-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 8-UDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 2Mbit
- Memory Organization:
- 256 Bytes x 1024 pages
- Memory Interface:
- SPI
- Clock Frequency:
- 85 MHz
- Write Cycle Time - Word, Page:
- 8µs, 3ms
- Access Time:
- -
- Voltage - Supply:
- 1.65V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-UDFN (5x6)
AT25PE20-MHN-T FAQ
1.How can I place an order for AT25PE20-MHN-T through Aetrix?
Please submit a Request for Quotation (RFQ) for AT25PE20-MHN-T 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 AT25PE20-MHN-T reliable?
The price and inventory of AT25PE20-MHN-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT25PE20-MHN-T is usually 5 days.
3.What payment methods are accepted for AT25PE20-MHN-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT25PE20-MHN-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT25PE20-MHN-T?
AT25PE20-MHN-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT25PE20-MHN-T 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 AT25PE20-MHN-T?
For technical support, including AT25PE20-MHN-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT25PE20-MHN-T requirements.
6.How does Aetrix verify that AT25PE20-MHN-T is sourced from the original manufacturer or authorized distributors?
All AT25PE20-MHN-T 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 AT25PE20-MHN-T meets industry standards.
7.What is the process for return or replacement of AT25PE20-MHN-T?
All AT25PE20-MHN-T units undergo pre-shipment inspection (PSI). If there is an issue with AT25PE20-MHN-T, 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 AT25PE20-MHN-T part is unused and in its original packaging.
Return procedure for AT25PE20-MHN-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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