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Renesas AT25PE80-MHN-Y
- Part No.:
- AT25PE80-MHN-Y
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 8-UDFN Exposed Pad
- Datasheet:
-
AT25PE80-MHN-Y.pdf
- Description:
- IC FLASH 8MBIT SPI 8UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,564
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Product details
Overview
AT25PE80-MHN-Y from Microchip Technology is an 8-Mbit serial Flash memory with SPI interface, 256/264-byte page architecture, dual 256/264-byte SRAM buffers, and RapidS™ high-speed read capability up to 85 MHz. It operates from 1.7V–3.6V and supports industrial temperature range (−40°C to +85°C), enabling use in embedded firmware storage, boot code retention, and real-time data logging in space-constrained industrial controllers.
For engineers reviewing the AT25PE80-MHN-Y datasheet, AT25PE80-MHN-Y pinout, AT25PE80-MHN-Y application, or AT25PE80-MHN-Y equivalent, this device delivers continuous array reads with zero page-boundary latency, ultra-low 300nA deep power-down current, and hardware/software reset control - critical for battery-powered IoT edge nodes and automotive infotainment boot memory.
Technical Context
The AT25PE80-MHN-Y implements a sequential-access DataFlash®-Lite architecture with two independent SRAM buffers that enable concurrent data reception while reprogramming main memory. Its SPI interface supports modes 0 and 3, with clock-to-output time of ≤6 ns and four distinct continuous read opcodes (01h, 03h, 0Bh, 1Bh) optimized for low-power, legacy, mid-speed, and high-frequency operation respectively.
Memory organization comprises 4,096 pages (256 or 264 bytes each), organized into 64KB sectors and 2KB blocks, supporting page/block/sector/chip erase. All program and erase cycles are self-timed, and the device includes a 128-byte factory-programmed security register with unique identifier and hardware write protection via dedicated WP pin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 8 Mbit (1,048,576 bytes), organized as 4,096 × 256/264-byte pages - enables compact firmware image storage without external address decoding logic. |
| Supply Voltage | 1.7V–3.6V single supply - compatible with modern low-voltage microcontrollers and eliminates need for level shifters in 1.8V/3.3V systems. |
| Max Read Speed | 85 MHz SCK (RapidS™ mode) - supports >8 MB/s sustained sequential read throughput for fast boot loading. |
| Power Consumption | 300 nA ultra-deep power-down (typical) - extends battery life in always-on sensor nodes between wake cycles. |
| Endurance & Retention | 100,000 program/erase cycles per page; 20-year data retention - suitable for field-upgradable firmware with frequent OTA updates. |
| Erase Granularity | Page (256/264 B), block (2 KB), sector (64 KB), chip - allows precise wear leveling and partial firmware patching without full chip erase. |
| Security Register | 128-byte factory-programmed unique ID - provides hardware-rooted device identity for secure boot and license binding. |
Pinout & Package
AT25PE80-MHN-Y is packaged in an 8-pad Ultra-thin DFN (5 mm × 6 mm × 0.6 mm) with exposed thermal pad (non-connected). Pin functions are electrically identical to the SOIC variant but optimized for high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select | Active-low enable signal; rising edge terminates ongoing operations and places SO in high-Z - enables multi-device SPI bus sharing. |
| SO | Serial Output | Push-pull output clocked on falling SCK edge; tri-stated when CS high - eliminates need for external bus buffers in daisy-chain configurations. |
| WP | Hardware Write Protect | Active-low pin that locks protected sectors regardless of software state - provides fail-safe firmware write protection during brown-out conditions. |
| GND | Ground Reference | Primary return path for VCC and I/O; bottom thermal pad may be left floating or tied to GND for improved thermal performance. |
| VCC | Power Supply | 1.7V–3.6V input; powers core logic, memory array, and I/O drivers - supports direct connection to MCU LDO outputs. |
| RESET | Hardware Reset | Active-low asynchronous reset; terminates in-progress erase/program and returns state machine to idle - enables safe recovery after watchdog timeout. |
| SCK | Serial Clock | Input clock driving all SPI transfers; rising edge latches SI, falling edge clocks SO - defines maximum system timing margin for timing-critical boot sequences. |
| SI | Serial Input | Command/address/data input latched on rising SCK edge; ignored when CS high - supports command pipelining for burst programming efficiency. |
Key Features
| Feature | Design Value |
|---|---|
| Dual SRAM Buffers (256/264 B each) | Enables interleaved streaming: receive new data into one buffer while programming the other into Flash - eliminates write stalls in real-time data acquisition. |
| RapidS™ High-Speed Read (85 MHz) | Reduces boot time by >40% vs. standard SPI Flash at same density - critical for automotive ECUs meeting ASAM boot timing requirements. |
| Four Continuous Read Modes | Supports 01h (low-power), 03h (legacy), 0Bh (mid-speed), and 1Bh (high-speed) opcodes - allows runtime selection based on power/performance trade-offs. |
| User-Configurable Page Size | Factory-default 256-byte pages; optional 264-byte configuration enables E2PROM emulation with byte-alterable writes using built-in read-modify-write. |
| Ultra-Low Deep Power-Down (300 nA) | Minimizes quiescent current in sleep states - extends shelf life and operational duration in energy-harvesting wireless sensors. |
| Hardware + Software Reset Control | Combines dedicated RESET pin with instruction-based reset - ensures deterministic recovery under both firmware crash and supply fault conditions. |
Applications
| Firmware Boot Storage | Industrial Data Logger |
|---|---|
|
Use Scenario: Storing bootloader and application firmware for ARM Cortex-M4-based motor drives operating in harsh factory environments. IC Role / Device Role / Timing Role: Primary non-volatile code storage with fast sequential read and hardware write protection against corruption during power interruption. Use Value: 85 MHz RapidS™ read speed reduces boot latency to <120 ms; 100K endurance supports field firmware updates over 10+ years of service life. |
Use Scenario: Capturing sensor readings (temperature, vibration, current) at 1 kHz in oil-field monitoring equipment powered by lithium-thionyl chloride batteries. IC Role / Device Role / Timing Role: High-reliability data buffer with page-erasable structure enabling circular logging without wear-out hotspots. Use Value: Dual SRAM buffers allow continuous sampling while background Flash writes occur; 300 nA deep power-down extends battery life to >5 years. |
| Automotive Infotainment | Medical Diagnostic Device |
|
Use Scenario: Storing UI assets, voice prompts, and calibration tables in head-unit systems requiring AEC-Q100 Grade 3 compliance. IC Role / Device Role / Timing Role: Code and asset storage with rapid sequential access and hardware reset for fail-safe recovery after ESD events. Use Value: Industrial temp range (−40°C to +85°C) and 128-byte unique ID support secure boot chain and anti-counterfeiting traceability. |
Use Scenario: Recording ECG waveform snapshots and device calibration history in portable ultrasound probes with strict EMC and power constraints. IC Role / Device Role / Timing Role: Low-noise, low-power non-volatile memory for time-critical waveform buffering and regulatory audit log retention. Use Value: Minimal switching noise from sequential interface improves analog front-end SNR; 20-year data retention satisfies FDA 21 CFR Part 11 archival requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AT25SF041-MAHN-Y | 4-Mbit density, 133 MHz max read, no dual buffers, no RapidS™ - higher speed but half capacity and no concurrent buffer operation. | Limited to smaller firmware images; lacks interleaved streaming capability for high-throughput data capture. | Select when system requires faster read speed and lower density suffices; not suitable for E2PROM emulation or streaming logging. |
| W25Q80DVSSIQ | 8-Mbit, 104 MHz Quad SPI, no SRAM buffers, different command set - supports QPI but lacks hardware write protect and dual-buffer architecture. | Requires Quad SPI controller; no built-in page-level read-modify-write or hardware WP pin for safety-critical firmware lock. | Choose for systems with Quad SPI interface and no need for concurrent buffering; verify WP functionality is implemented externally. |
Compared with AT25PE80-MHN-Y, AT25SF041-MAHN-Y trades density and buffer concurrency for higher read bandwidth, while W25Q80DVSSIQ offers quad-mode speed at the cost of missing hardware write protection and dual-SRAM streaming - making AT25PE80-MHN-Y uniquely suited for safety-aware, streaming-capable embedded storage.
Availability
AT25PE80-MHN-Y is available at Aetrix Electronics and suitable for industrial control firmware storage, medical device data logging, and automotive infotainment boot memory requiring stable component supply across extended product lifecycles.
Supply support for AT25PE80-MHN-Y 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 is a global semiconductor company specializing in microcontrollers, analog devices, and memory solutions for industrial, automotive, and communications markets.
The AT25PE80-MHN-Y belongs to Microchip's DataFlash®-Lite family, designed specifically for high-reliability, low-pin-count serial Flash applications where concurrent buffering, ultra-low power, and hardware security features are essential.
FAQ
What is the default page size configuration for AT25PE80-MHN-Y?
The AT25PE80-MHN-Y ships with a default page size of 256 bytes. This configuration is factory-set and supports standard SPI addressing with 20-bit total address space (12-bit page + 8-bit byte). The 264-byte option is available as a customer-selectable variant but is not enabled by default on the AT25PE80-MHN-Y part number.
Does AT25PE80-MHN-Y support Quad SPI or only standard SPI?
AT25PE80-MHN-Y supports only standard 3-wire SPI (SI/SO/SCK/CS) in modes 0 and 3. It does not implement Quad SPI (QSPI) or Dual SPI interfaces. Its RapidS™ enhancement increases clock rate to 85 MHz within standard SPI timing, but no additional I/O pins or command extensions for quad operation are present in the AT25PE80-MHN-Y design.
How does the dual-buffer architecture of AT25PE80-MHN-Y improve system throughput?
The AT25PE80-MHN-Y uses two independent 256/264-byte SRAM buffers to decouple host data ingestion from Flash programming. While one buffer receives incoming data via SI, the other can simultaneously program its contents into main memory - eliminating wait states and enabling sustained streaming at up to 85 MB/s effective throughput in optimized implementations.
Is the bottom thermal pad on the AT25PE80-MHN-Y's UDFN package electrically connected?
No, the metal thermal pad on the bottom of the AT25PE80-MHN-Y's 8-pad UDFN package is not internally connected to any voltage potential. As specified in the datasheet, it may be left as a "no connect" or externally tied to GND for improved thermal dissipation - but doing so introduces no electrical risk or functional change to the AT25PE80-MHN-Y operation.
Can AT25PE80-MHN-Y be used for EEPROM emulation, and what is required?
Yes, AT25PE80-MHN-Y supports EEPROM emulation using its built-in read-modify-write command (opcode 52h) and configurable 264-byte page size. This enables byte-level alterability by storing multiple versions of small data structures across page boundaries and managing wear leveling in firmware - no external hardware or additional memory chips are needed for AT25PE80-MHN-Y to emulate EEPROM behavior.
AT25PE80-MHN-Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 8-UDFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR (SLC)
- Memory Size:
- 8Mbit
- Memory Organization:
- 1M x 8
- Memory Interface:
- SPI
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 8µs, 4ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 1.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-UDFN (5x6)
AT25PE80-MHN-Y FAQ
1.How can I place an order for AT25PE80-MHN-Y through Aetrix?
Please submit a Request for Quotation (RFQ) for AT25PE80-MHN-Y 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 AT25PE80-MHN-Y reliable?
The price and inventory of AT25PE80-MHN-Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT25PE80-MHN-Y is usually 5 days.
3.What payment methods are accepted for AT25PE80-MHN-Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT25PE80-MHN-Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT25PE80-MHN-Y?
AT25PE80-MHN-Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT25PE80-MHN-Y 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 AT25PE80-MHN-Y?
For technical support, including AT25PE80-MHN-Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT25PE80-MHN-Y requirements.
6.How does Aetrix verify that AT25PE80-MHN-Y is sourced from the original manufacturer or authorized distributors?
All AT25PE80-MHN-Y 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 AT25PE80-MHN-Y meets industry standards.
7.What is the process for return or replacement of AT25PE80-MHN-Y?
All AT25PE80-MHN-Y units undergo pre-shipment inspection (PSI). If there is an issue with AT25PE80-MHN-Y, 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 AT25PE80-MHN-Y part is unused and in its original packaging.
Return procedure for AT25PE80-MHN-Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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