My Inquiry
My Account
Microchip Technology AT25080N-10SI-1.8
- Part No.:
- AT25080N-10SI-1.8
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AT25080N-10SI-1.8.pdf
- Description:
- IC EEPROM 8KBIT SPI 3MHZ 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,621
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AT25080N-10SI-1.8 from Microchip Technology (formerly Atmel) is a serial SPI EEPROM IC providing 8 Kbit (1024 × 8) nonvolatile memory with 1.8 V to 5.5 V supply operation, 32-byte page write capability, and hardware/software write protection via WP pin and status register. It serves as system-level configuration storage in industrial controllers and embedded sensor nodes requiring low-voltage reliability.
For engineers reviewing the AT25080N-10SI-1.8 datasheet, AT25080N-10SI-1.8 pinout, AT25080N-10SI-1.8 application, or AT25080N-10SI-1.8 equivalent, key selection criteria include 1.8 V minimum VCC support, 5 ms typical write cycle time, SPI Mode 0/3 compatibility, and 8-lead JEDEC SOIC package with validated HOLD and WP functionality.
Technical Context
The AT25080N-10SI-1.8 implements a synchronous SPI slave interface with separate SI/SO lines, MSB-first data framing, and CS-driven command initiation. Its internal architecture includes an 8-bit instruction register supporting WREN/WRDI/RDSR/WRSR/READ/WRITE op-codes and a nonvolatile status register with BP0/BP1/WPEN bits for block protection control.
It operates across -40°C to +85°C with self-timed write cycles, no erase prerequisite, and dual-voltage qualification: VCC = 1.8–5.5 V enables direct integration into 1.8 V logic domains while maintaining full 3.0 MHz clock rate at 5 V. The HOLD pin suspends ongoing transfers without resetting sequence state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 8 Kbit (1024 words × 8 bits); sufficient for firmware boot parameters, calibration data, or device ID storage in space-constrained designs. |
| Supply Voltage Range | 1.8 V to 5.5 V; supports direct interfacing with 1.8 V, 2.5 V, 3.3 V, and 5 V microcontrollers without level-shifting. |
| Max Clock Frequency | 3.0 MHz at VCC = 5.0 V; enables fast read/write throughput (up to 32 bytes/page) in high-speed SPI master systems. |
| Write Cycle Time | 5 ms typical; defines minimum interval between successive write commands and impacts real-time logging latency. |
| Endurance | 1 million write cycles; ensures long-term reliability in applications with frequent configuration updates (e.g., energy metering logs). |
| Data Retention | 100 years at 25°C; guarantees persistent storage integrity over product lifetime without refresh. |
| Operating Temperature | -40°C to +85°C; qualified for industrial-grade deployment in factory automation and outdoor telemetry units. |
Pinout & Package
AT25080N-10SI-1.8 uses an 8-lead JEDEC SOIC (8S1) package: 0.150" wide body, 1.27 mm pitch, surface-mount gull-wing leads. Dimensions comply with JEDEC MS-012, Variation AA.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select | Active-low enable signal; must be held low during entire SPI transaction (instruction + address + data). |
| SCK | Serial Clock | Master-generated clock input; timing reference for SI sampling and SO output (Mode 0/3 compatible). |
| SI | Serial Data Input | Input-only data line for op-code, address, and write data; sampled on SCK rising edge (Mode 0) or falling edge (Mode 3). |
| SO | Serial Data Output | Output-only data line for read data and status register contents; driven only when CS is low and command permits output. |
| GND | Ground Reference | Primary return path for VCC current and signal references; requires low-impedance PCB connection to minimize noise coupling. |
| VCC | Power Supply | Single-supply input (1.8–5.5 V); powers internal logic, memory array, and I/O buffers; bypass capacitor mandatory. |
| WP | Write Protect | Hardware lock for status register writes when WPEN = 1; prevents accidental configuration corruption during power transitions. |
| HOLD | Communication Suspend | Pauses active SPI transfer without resetting internal address counter; allows master to service higher-priority interrupts. |
Key Features
| Feature | Design Value |
|---|---|
| 32-byte Page Write Mode | Reduces write overhead by enabling burst programming of up to 32 contiguous bytes per CS pulse, improving update efficiency in parameter tables. |
| Block Write Protection | Configurable 1/4, 1/2, or full-array lock via BP0/BP1 bits; isolates critical firmware sections from runtime overwrite errors. |
| Dual Write Protection | Combines hardware (WP pin) and software (WRSR instruction) controls to enforce layered security against unintended writes. |
| Self-timed Internal Write | Eliminates external timing management-master initiates write and polls RDSR RDY bit; no separate erase step required. |
| Low Standby Current | 0.1 µA typical at 1.8 V (ISB1); extends battery life in always-on IoT endpoints and portable instrumentation. |
Applications
| Industrial PLC Configuration Storage | Medical Sensor Calibration Data |
|---|---|
Use Scenario: Storing I/O mapping, PID tuning constants, and alarm thresholds in programmable logic controllers deployed in harsh factory environments. IC Role / Device Role / Timing Role: Nonvolatile configuration register accessed via SPI during boot and runtime reconfiguration; holds data across power cycles. Use Value: Ensures deterministic startup behavior and field-updatable settings without requiring external backup power or FRAM cost premium. |
Use Scenario: Retaining factory-calibrated offset/gain coefficients and patient-specific correction factors in portable ECG or glucose monitors. IC Role / Device Role / Timing Role: Secure, low-power memory for precision analog subsystem initialization; accessed once per measurement cycle. Use Value: Maintains measurement accuracy over 100-year retention while consuming <1 µA in standby-critical for single-cell battery operation. |
| Automotive Body Control Module (BCM) | Smart Energy Meter Firmware Patch Storage |
Use Scenario: Holding seat position presets, mirror angles, and lighting profiles in automotive BCMs operating across -40°C to +85°C ambient. IC Role / Device Role / Timing Role: SPI-configurable NVM for user preferences; written infrequently but read on every ignition cycle. Use Value: Automotive-grade temperature qualification and 1M endurance ensure reliable recall after 15+ years of vehicle service life. |
Use Scenario: Storing signed firmware patches and cryptographic keys for secure over-the-air (OTA) updates in utility-grade smart meters. IC Role / Device Role / Timing Role: Tamper-resistant storage for update payloads; accessed during secure boot verification and patch application. Use Value: Hardware WP pin + status register lock prevents malicious overwrite of critical update metadata during power glitches. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| M95080-DRMN6TP/K | STMicroelectronics 8 Kbit SPI EEPROM; identical 1.8–5.5 V range, 32-byte page, and SOIC-8 package; differs in AC timing (2 MHz max @ 1.8 V vs. AT25080N-10SI-1.8's 0.5 MHz min spec). | Valid for same industrial control and sensor nodes, but lower max clock at 1.8 V limits throughput in high-speed masters. | Select when ST ecosystem alignment or dual-sourcing is prioritized; verify timing margins at target VCC. |
| BR24G08FJ-WE2 | Rohm 8 Kbit SPI EEPROM; supports 1.6–5.5 V, 32-byte page, SOIC-8; features built-in error correction (ECC) and longer 200-year data retention. | Better suited for safety-critical medical or aerospace applications where ECC mitigates soft errors in long-term storage. | Choose when enhanced reliability beyond 100-year retention or radiation-tolerant operation is required. |
Compared with M95080-DRMN6TP/K and BR24G08FJ-WE2, the AT25080N-10SI-1.8 delivers optimal balance of 1.8 V compatibility, 3.0 MHz performance at 5 V, and proven industrial temperature stability-making it ideal for cost-sensitive, high-volume embedded systems where timing headroom and legacy design continuity matter most.
Availability
AT25080N-10SI-1.8 is available at Aetrix Electronics and suitable for industrial PLCs, medical sensors, automotive BCMs, and smart energy meters requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for AT25080N-10SI-1.8 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 acquired Atmel in 2016 and maintains its legacy memory portfolio with full datasheet compliance, long-term manufacturing commitment, and global distribution infrastructure.
The AT25080N-10SI-1.8 belongs to Microchip's serial SPI EEPROM family designed for robust, low-voltage nonvolatile data storage in industrial, automotive, and medical applications where reliability and voltage flexibility are critical.
FAQ
What is the minimum supply voltage supported by the AT25080N-10SI-1.8?
The AT25080N-10SI-1.8 supports a minimum supply voltage of 1.8 V, as confirmed by its "-1.8" suffix and DC Characteristics table (VCC1 min = 1.8 V). This enables direct integration with 1.8 V microcontrollers and ultra-low-power systems without level translation, while maintaining full functionality including 32-byte page writes and status register access.
Does the AT25080N-10SI-1.8 require an external erase cycle before writing?
No, the AT25080N-10SI-1.8 does not require a separate erase cycle. All write operations are self-timed and automatically erase the target memory location prior to programming, as stated in the Description section: "no separate ERASE cycle is required before WRITE." This simplifies firmware implementation and reduces write latency compared to parallel EEPROM architectures.
How does the HOLD pin function during an active SPI transaction on the AT25080N-10SI-1.8?
The HOLD pin on the AT25080N-10SI-1.8 suspends serial communication without resetting the internal address counter or command state. When asserted low while SCK is low, it places SO in high-impedance and ignores SI inputs; resuming requires bringing HOLD high while SCK remains low. This allows the master to pause reads/writes to service interrupts or manage bus arbitration.
What protection mechanisms prevent accidental writes to the AT25080N-10SI-1.8?
The AT25080N-10SI-1.8 employs three layered protections: (1) Power-on default disables writes (WREN required first), (2) Software lock via WRDI instruction, and (3) Hardware lock using the WP pin when WPEN bit is set. These work independently-e.g., WP low blocks status register writes even if WREN is issued-ensuring robust defense against spurious signals or firmware bugs.
Is the AT25080N-10SI-1.8 pin-compatible with other devices in the AT25xxx family?
Yes, the AT25080N-10SI-1.8 shares identical 8-lead SOIC pinout and SPI interface protocol with AT25160N-10SI-1.8, AT25320N-10SI-1.8, and AT25640N-10SI-1.8. All use CS/SCK/SI/SO/GND/VCC/WP/HOLD pin assignments and support the same instruction set, enabling drop-in capacity upgrades within the same PCB footprint and firmware framework.
AT25080N-10SI-1.8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- EEPROM
- Technology:
- EEPROM
- Memory Size:
- 8Kbit
- Memory Organization:
- 1K x 8
- Memory Interface:
- SPI
- Clock Frequency:
- 3 MHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- -
- Voltage - Supply:
- 1.8V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AT25080N-10SI-1.8 FAQ
1.How can I place an order for AT25080N-10SI-1.8 through Aetrix?
Please submit a Request for Quotation (RFQ) for AT25080N-10SI-1.8 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 AT25080N-10SI-1.8 reliable?
The price and inventory of AT25080N-10SI-1.8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT25080N-10SI-1.8 is usually 5 days.
3.What payment methods are accepted for AT25080N-10SI-1.8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT25080N-10SI-1.8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT25080N-10SI-1.8?
AT25080N-10SI-1.8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT25080N-10SI-1.8 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 AT25080N-10SI-1.8?
For technical support, including AT25080N-10SI-1.8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT25080N-10SI-1.8 requirements.
6.How does Aetrix verify that AT25080N-10SI-1.8 is sourced from the original manufacturer or authorized distributors?
All AT25080N-10SI-1.8 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 AT25080N-10SI-1.8 meets industry standards.
7.What is the process for return or replacement of AT25080N-10SI-1.8?
All AT25080N-10SI-1.8 units undergo pre-shipment inspection (PSI). If there is an issue with AT25080N-10SI-1.8, 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 AT25080N-10SI-1.8 part is unused and in its original packaging.
Return procedure for AT25080N-10SI-1.8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AT25080N-10SI-1.8 Tags
-
M24C02-WMN6TP
STMicroelectronics
-
AT24C02C-XHM-T
Microchip Technology
-
AT21CS01-STUM10-T
Microchip Technology
-
AT24C02C-SSHM-T
Microchip Technology
-
24LC01BT-I/OT
Microchip Technology
-
M24C02-FMC6TG
STMicroelectronics
-
AT24CS02-SSHM-T
Microchip Technology
-
93LC46BT-I/OT
Microchip Technology
-
AT24C04C-SSHM-T
Microchip Technology
-
24LC01BT-I/SN
Microchip Technology
-
24AA02UIDT-I/OT
Microchip Technology
-
AT24C08C-STUM-T
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
