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Renesas AT25DN512C-SSHFGP-T
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- Part No.:
- AT25DN512C-SSHFGP-T
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AT25DN512C-SSHFGP-T.pdf
- Description:
- IC FLASH 512KBIT SPI 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,201
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Product details
Overview
AT25DN512C-SSHFGP-T from Adesto Technologies is a 512-Kbit serial Flash memory IC with SPI interface, dual-output read support, 104MHz max clock frequency, 6ns clock-to-output delay, and flexible erase architecture (256-byte page / 4-Kbyte / 32-Kbyte / full chip). It serves as nonvolatile code and data storage in resource-constrained embedded systems requiring fast, low-power, and sector-flexible memory.
For engineers reviewing the AT25DN512C-SSHFGP-T datasheet, AT25DN512C-SSHFGP-T pinout, AT25DN512C-SSHFGP-T application, or AT25DN512C-SSHFGP-T equivalent, key selection considerations include its dual-output read throughput (50MHz), ultra-deep power-down current (350nA), OTP security register (128 bytes), industrial temperature range (–40°C to +85°C), and SOIC-8 (150-mil) package compatibility.
Technical Context
The AT25DN512C-SSHFGP-T implements a standard SPI master-slave interface supporting Modes 0 and 3, with SI and SO pins operating as bidirectional I/O0/I/O1 during Dual-Output Read (3Bh command). Its internal address counter enables continuous sequential reads with wraparound at 00FFFFh.
Erase operations are hardware- and software-controlled: page (256 B), 4-Kbyte block, 32-Kbyte block, and full chip - all internally self-timed and verified via Status Register EPE bit. Write Enable Latch (WEL) gating ensures command safety for program/erase/security functions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 512 Kbit (64 Kbytes), organized as 256 pages × 256 bytes |
| Supply Voltage | 2.3V–3.6V single supply - eliminates need for charge pumps or auxiliary rails |
| Max Clock Frequency | 104MHz for standard read/program/erase - enables high-throughput firmware updates |
| Read Latency | 6ns clock-to-output (tV) - supports tight timing margins in high-speed microcontroller interfaces |
| Erase Granularity | 256-byte page, 4-Kbyte block, 32-Kbyte block, full chip - minimizes wasted space in mixed code/data layouts |
| Power Consumption | 350nA ultra-deep power-down current - extends battery life in always-on IoT edge nodes |
| Data Retention | 20 years at +85°C - meets long-lifecycle requirements for industrial control and medical devices |
| Endurance | 100,000 program/erase cycles - supports frequent field firmware patching and logging |
Pinout & Package
AT25DN512C-SSHFGP-T uses an 8-lead SOIC (150-mil) package with gull-wing leads, RoHS-compliant, moisture sensitivity level (MSL) 3 per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select input | Active-low enable: initiates all commands; deassertion places device in standby (not deep power-down) |
| SCK | Serial clock input | Controls data transfer timing; rising edge latches SI, falling edge clocks out SO/I/O1 |
| SI (I/O0) | Serial input / Dual-Output Read output | Input for commands/addresses/data; becomes I/O0 output during Dual-Output Read (3Bh) for parallel bit streaming |
| SO (I/O1) | Serial output / Dual-Output Read output | Primary output for standard read; remains I/O1 output during Dual-Output Read to deliver MSB-aligned dual-bit stream |
| WP | Hardware write protect input | Low-active pin enabling sector locking without software overhead; internally pulled high |
| HOLD | Communication pause input | Halts ongoing SPI transfers without deselecting CS; requires SCK low and CS active to activate |
| VCC | Power supply | 2.3V–3.6V logic-compatible supply; powers internal logic, memory array, and I/O buffers |
| GND | Ground reference | System ground return path; must be low-impedance to ensure stable read/write margins |
Key Features
| Feature | Design Value |
|---|---|
| Dual-Output Read (3Bh) | Delivers 2 bits per SCK cycle up to 50MHz - doubles effective read bandwidth vs. standard SPI read |
| OTP Security Register | 128-byte one-time programmable area: 64 bytes factory-unique ID + 64 bytes user-configurable - enables secure boot and device authentication |
| Flexible Erase Architecture | Page (256B), 4-KB, 32-KB, and full-chip erase options - reduces fragmentation in firmware+log storage partitions |
| Ultra-Low Power Modes | 350nA ultra-deep power-down and 7.5µA deep power-down - ideal for energy-harvesting and battery-powered sensors |
| Industrial Temp Range | –40°C to +85°C operation - qualified for automotive infotainment head units and industrial PLCs |
| JEDEC ID Support | Standard 9Fh manufacturer/device ID read - simplifies automated BOM verification and programming tool integration |
Applications
| Firmware Storage in Wearables | Secure Boot Configuration |
|---|---|
|
Use Scenario: Storing compressed firmware images and configuration profiles in compact wearable health monitors with limited PCB area and coin-cell power budget. IC Role / Device Role / Timing Role: Nonvolatile code storage with fast read access for MCU shadow loading; dual-output read accelerates boot time by 2×. Use Value: 256-byte page erase allows incremental OTA updates without erasing full application; 350nA deep power-down extends battery life beyond 6 months. |
Use Scenario: Holding immutable root-of-trust keys and device-specific identifiers in networked smart home hubs requiring FIPS-aligned secure boot. IC Role / Device Role / Timing Role: Secure OTP register provider; factory-programmed 64-byte UID binds firmware to hardware identity. Use Value: Hardware-enforced WP pin prevents runtime tampering of protected sectors; 100K-cycle endurance supports field key rotation. |
| Industrial Sensor Data Logging | Automotive Infotainment UI Assets |
|
Use Scenario: Capturing timestamped sensor readings (temperature, vibration) in predictive maintenance gateways deployed in harsh factory environments. IC Role / Device Role / Timing Role: Dual-purpose data/code memory: 4-KB blocks store firmware patches; 256-B pages log transient events. Use Value: Uniform 4-KB block erase enables deterministic log rollover; –40°C to +85°C rating ensures reliability near motors and drives. |
Use Scenario: Hosting compressed GUI assets (icons, fonts, animations) in automotive head units where display latency and thermal stability are critical. IC Role / Device Role / Timing Role: High-speed SPI flash delivering burst reads to GPU or display controller; 6ns tV ensures pixel-clock alignment. Use Value: 104MHz max clock and 6ns output delay meet sub-100ns display pipeline timing; green RoHS package complies with automotive ELV directive. |
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 W25Q40EWSSIG | 4-Mbit density (8× larger), 133MHz max clock, no dual-output read mode, 1.65–1.95V supply only | Requires voltage translation for 2.3–3.6V systems; higher density suits complex GUIs but over-provisions simple firmware storage | Select when higher capacity and faster clock are needed and supply rail permits 1.8V operation. |
| Macronix MX25L51245GZUI-10G | 512-Mbit density (1024× larger), quad-SPI interface, 104MHz clock, 2.7–3.6V supply, no OTP register | Lacks hardware-secured UID; quad mode increases pin count (IO2/IO3 required); unsuitable for space-constrained wearables | Choose for high-bandwidth applications needing >1MB storage and quad I/O, but not for secure identity or ultra-low-power use cases. |
Compared with W25Q40EWSSIG and MX25L51245GZUI-10G, the AT25DN512C-SSHFGP-T uniquely balances ultra-low power (350nA), integrated security (128-byte OTP), and dual-output throughput in a minimal 8-pin SOIC footprint - making it optimal for size- and energy-constrained embedded designs where 512 Kbit suffices.
Availability
AT25DN512C-SSHFGP-T is available at Aetrix Electronics and suitable for firmware storage in wearables, secure boot configuration in smart home hubs, industrial sensor data logging, and automotive infotainment UI assets requiring stable component supply across product lifecycles.
Supply support for AT25DN512C-SSHFGP-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 ultra-low-power, nonvolatile memory and IoT connectivity solutions for embedded and industrial markets.
The AT25DN512C-SSHFGP-T belongs to Adesto's DataFlash® family, engineered specifically for mixed-code-and-data applications in battery-powered and thermally constrained systems where erase flexibility, security, and micropower operation are essential.
FAQ
What is the maximum clock frequency supported by AT25DN512C-SSHFGP-T for standard read operations?
The AT25DN512C-SSHFGP-T supports up to 104MHz for standard Read Array (0Bh) and Page Erase/Block Erase commands. For legacy 03h Read Array, the limit is 33MHz. This 104MHz capability enables high-speed firmware shadowing in modern MCUs without requiring external clock dividers or timing margin derating.
Does AT25DN512C-SSHFGP-T support hardware write protection, and how is it implemented?
Yes, AT25DN512C-SSHFGP-T implements hardware write protection via the WP pin, which is active-low and internally pulled high. When driven low, it locks protected memory sectors independent of software state - preventing accidental or malicious writes during power transients or firmware faults. The WP pin requires no external pull-up if unused but is recommended for robustness.
How does the Dual-Output Read mode function on AT25DN512C-SSHFGP-T, and what opcode enables it?
The Dual-Output Read mode on AT25DN512C-SSHFGP-T uses both SI (as I/O0) and SO (as I/O1) to output two bits per SCK falling edge, doubling read throughput. It is enabled using the 3Bh opcode, requires a dummy byte after the 3-byte address, and operates up to 50MHz. This mode is distinct from standard SPI and requires host controller support for dual-bit sampling.
What erase options are available on AT25DN512C-SSHFGP-T, and what are their typical times?
AT25DN512C-SSHFGP-T supports four erase granularities: 256-byte page (1.25ms typical), 4-Kbyte block (35ms typical), 32-Kbyte block (250ms typical), and full chip (250ms typical). All are internally self-timed and verified; status polling via the EPE bit detects failures. This hierarchy allows precise memory management without over-erasing unrelated sectors.
Is the OTP security register on AT25DN512C-SSHFGP-T factory-programmed, and what portion is user-writable?
Yes, the 128-byte OTP security register on AT25DN512C-SSHFGP-T contains 64 bytes factory-programmed with a unique device identifier and 64 bytes user-programmable for keys, certificates, or calibration data. Once written, OTP bytes cannot be altered - providing hardware-rooted trust for secure boot and anti-counterfeiting in production firmware.
AT25DN512C-SSHFGP-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 512Kbit
- Memory Organization:
- 64K x 8
- Memory Interface:
- SPI
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 8µs, 1.75ms
- Access Time:
- -
- Voltage - Supply:
- 2.3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AT25DN512C-SSHFGP-T FAQ
1.How can I place an order for AT25DN512C-SSHFGP-T through Aetrix?
Please submit a Request for Quotation (RFQ) for AT25DN512C-SSHFGP-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 AT25DN512C-SSHFGP-T reliable?
The price and inventory of AT25DN512C-SSHFGP-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT25DN512C-SSHFGP-T is usually 5 days.
3.What payment methods are accepted for AT25DN512C-SSHFGP-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT25DN512C-SSHFGP-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT25DN512C-SSHFGP-T?
AT25DN512C-SSHFGP-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT25DN512C-SSHFGP-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 AT25DN512C-SSHFGP-T?
For technical support, including AT25DN512C-SSHFGP-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT25DN512C-SSHFGP-T requirements.
6.How does Aetrix verify that AT25DN512C-SSHFGP-T is sourced from the original manufacturer or authorized distributors?
All AT25DN512C-SSHFGP-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 AT25DN512C-SSHFGP-T meets industry standards.
7.What is the process for return or replacement of AT25DN512C-SSHFGP-T?
All AT25DN512C-SSHFGP-T units undergo pre-shipment inspection (PSI). If there is an issue with AT25DN512C-SSHFGP-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 AT25DN512C-SSHFGP-T part is unused and in its original packaging.
Return procedure for AT25DN512C-SSHFGP-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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