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Renesas AT45DQ161-CCUD-T
- Part No.:
- AT45DQ161-CCUD-T
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 9-UBGA
- Datasheet:
-
AT45DQ161-CCUD-T.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 9UBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,553
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Product details
Overview
AT45DQ161-CCUD-T from Renesas Electronics is a 16-Mbit serial Flash memory with SPI interface, Dual-I/O and Quad-I/O support, 85 MHz max clock frequency, 512/528-byte configurable page size, and two independent 512/528-byte SRAM buffers. It operates from 2.3 V to 3.6 V and targets embedded firmware storage, voice/image buffering, and real-time data logging in industrial controllers.
For engineers reviewing the AT45DQ161-CCUD-T datasheet, AT45DQ161-CCUD-T pinout, AT45DQ161-CCUD-T application, or AT45DQ161-CCUD-T equivalent, key selection criteria include SPI mode 0/3 compatibility, RapidS™ high-speed read/write capability, ultra-deep power-down current (500 nA), sector lockdown security, and dual-buffer interleaved programming for continuous streaming.
Technical Context
The AT45DQ161-CCUD-T implements a sequential-access Flash architecture with two dedicated SRAM buffers enabling concurrent buffer write and main memory page program operations. Its RapidS™ mode supports accelerated command execution and reduced latency for high-throughput applications.
It supports four distinct I/O modes: standard SPI (single I/O), Dual-I/O (two data lines), Quad-I/O (four data lines), and RapidS™ variants of each - all with verified tV ≤ 6 ns clock-to-output timing. Page size is factory-configurable to either 512 bytes or 528 bytes, and both buffers mirror the selected page size.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory capacity | 16 Mbit (2,097,152 bytes), organized as 4,096 pages × 512 or 528 bytes |
| Interface speed | 85 MHz max for SPI, Dual-I/O, and Quad-I/O - enables >30 MB/s effective throughput in Quad-I/O mode |
| Page size | User-configurable: 512 bytes (binary-aligned) or 528 bytes (DataFlash-compatible); device shipped pre-configured per order code |
| SRAM buffers | Two independent 512/528-byte buffers - allow simultaneous receive-to-buffer and buffer-to-memory programming |
| Power-down current | 500 nA typical ultra-deep power-down - critical for battery-backed systems requiring multi-year standby |
| Data retention | 20 years at 85°C - validated for long-life industrial deployments without refresh |
| Endurance | 100,000 program/erase cycles per page (standard temp); 50,000 cycles for extended temperature option |
Pinout & Package
AT45DQ161-CCUD-T is supplied in an 8-pad Ultra-thin DFN package (5 mm × 6 mm × 0.6 mm), RoHS-compliant and halide-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select | Active-low enable for SPI command/address/data transfer; controls device entry/exit from Deep Power-Down |
| SCK | Serial Clock | Input clock for SPI timing; supports up to 85 MHz; determines maximum read/write bandwidth |
| MOSI | Master Out, Slave In | Serial input for commands, addresses, and data; used in all write and configuration operations |
| MISO | Master In, Slave Out | Serial output for read data, status, and ID registers; supports standard/Dual/Quad output modes |
| WP | Write Protect | Hardware-enabled sector protection control; low = protection active; tied high or pulled up for normal operation |
| RESET | Hardware Reset | Active-low asynchronous reset; returns device to power-on state and clears internal status flags |
| VCC | Supply Voltage | 2.3 V–3.6 V single supply; powers core logic, Flash array, and SRAM buffers |
| GND | Ground | Reference return path for VCC and all I/O signals; requires low-impedance PCB connection |
Key Features
| Feature | Design Value |
|---|---|
| Dual- and Quad-I/O Read/Write | Enables 2× or 4× data throughput vs. standard SPI - reduces firmware update time and streaming latency |
| RapidS™ Operation | Reduces command overhead and improves effective bandwidth for burst reads/writes without protocol changes |
| Interleaved Buffer Programming | Allows continuous data ingestion into one buffer while the other programs Flash - eliminates write stalls in real-time logging |
| Configurable Page Size | 512-byte (binary) or 528-byte (legacy DataFlash) mode - ensures compatibility with existing firmware or optimizes alignment |
| 128-byte OTP Security Register | 64-byte factory-unique ID + 64-byte user-programmable space - supports secure boot key storage and device identity binding |
| Sector Lockdown | Per-sector permanent read-only enforcement after freeze - prevents accidental or malicious overwrite of critical firmware partitions |
Applications
| Firmware Storage | Voice/Image Buffering |
|---|---|
Use Scenario: Storing boot code, application firmware, and configuration parameters in microcontroller-based edge nodes. IC Role / Device Role / Timing Role: Non-volatile program memory accessed via SPI during cold start and field updates. Use Value: 20-year data retention and 100K-cycle endurance ensure reliable firmware persistence across product lifetime. |
Use Scenario: Capturing and temporarily storing audio samples or sensor image frames before compression or transmission. IC Role / Device Role / Timing Role: High-bandwidth sequential buffer with dual-SRAM architecture supporting real-time ingest. Use Value: 85 MHz Quad-I/O read and interleaved buffer writes sustain >30 MB/s streaming without CPU intervention. |
| Industrial Data Logging | Secure Boot Configuration |
Use Scenario: Recording timestamped sensor readings in PLCs or environmental monitors operating on battery or energy harvesting. IC Role / Device Role / Timing Role: Low-power persistent storage with ultra-deep power-down (500 nA) between logging intervals. Use Value: Enables multi-year operation on coin-cell batteries by minimizing quiescent current during idle periods. |
Use Scenario: Storing cryptographic keys, bootloader hashes, and immutable configuration in medical or automotive ECUs. IC Role / Device Role / Timing Role: Tamper-resistant storage using sector lockdown and 128-byte OTP register. Use Value: Freeze-enabled sector lockdown prevents runtime modification; factory-programmed UID binds keys to hardware identity. |
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 W25Q16JW | 16 Mbit SPI NOR Flash; no Dual/Quad-I/O or SRAM buffers; 133 MHz max clock; no RapidS™ or sector lockdown | Lacks concurrent buffer operation and hardware security features - suitable only for basic code storage without streaming or secure boot | Select when cost sensitivity outweighs need for interleaved writes, ultra-low power-down, or firmware integrity enforcement |
| Macronix MX25L1633F | 16 Mbit SPI NOR Flash; supports Quad-I/O and QPI; no SRAM buffers; 104 MHz max clock; no RapidS™ or OTP register | Higher raw speed but no dual-buffering - cannot sustain continuous write streams without host-side buffering | Prefer for legacy SPI/QPI systems needing higher clock rate but not requiring concurrent read/write or secure identity storage |
Compared with AT45DQ161-CCUD-T, W25Q16JW lacks buffer-assisted streaming and hardware security, while MX25L1633F offers faster clocking but no SRAM buffers - making AT45DQ161-CCUD-T uniquely suited for real-time, secure, low-power embedded logging and firmware storage.
Availability
AT45DQ161-CCUD-T is available at Aetrix Electronics and suitable for industrial control firmware storage, battery-powered data loggers, and secure boot configuration requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for AT45DQ161-CCUD-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
Renesas Electronics is a global semiconductor leader delivering microcontrollers, analog, power, and memory solutions for automotive, industrial, and IoT applications.
The AT45DQ161-CCUD-T belongs to Renesas' DataFlash® family, designed specifically for high-reliability, low-power, sequential-access storage in resource-constrained embedded systems requiring concurrent operation and hardware-enforced security.
FAQ
What is the default page size configured in AT45DQ161-CCUD-T?
The AT45DQ161-CCUD-T is factory-configured with a 528-byte page size by default, matching legacy DataFlash® compatibility. However, it can be ordered pre-configured for 512-byte pages - confirmed in the ordering information table (DS-AT45DQ161-8790, Rev. H, Page 72). The page size is fixed at shipment and not runtime reconfigurable.
Does AT45DQ161-CCUD-T support true Quad-SPI (QSPI) protocol?
No, AT45DQ161-CCUD-T does not implement JEDEC-standard Quad-SPI (QSPI) with 4-line address/command phases. It supports Quad-I/O read and write operations where data transfers occur on four I/O lines, but address and command remain single-bit - as defined in Sections 5.1 and 6.9 of the datasheet.
How does the dual-SRAM buffer architecture improve system performance in AT45DQ161-CCUD-T?
The AT45DQ161-CCUD-T's two independent 512/528-byte SRAM buffers enable true interleaving: while one buffer receives incoming data via SPI, the other simultaneously programs a full page into Flash memory. This eliminates write latency bottlenecks in continuous data streams such as audio capture or sensor logging.
What security mechanisms are implemented in AT45DQ161-CCUD-T beyond standard write protection?
AT45DQ161-CCUD-T provides three hardware-enforced security layers: (1) individual sector protection via software/hardware WP pin control, (2) permanent sector lockdown (freezeable per-sector read-only), and (3) a 128-byte OTP Security Register with 64-byte factory-unique ID and 64-byte user-programmable space - all documented in Sections 8 and 9 of the datasheet.
Is AT45DQ161-CCUD-T compatible with standard SPI controllers without RapidS™ support?
Yes, AT45DQ161-CCUD-T is fully backward-compatible with standard SPI controllers supporting modes 0 and 3. All core commands (read, write, erase) function without RapidS™ enabled. RapidS™ is an optional acceleration feature that reduces command overhead but is not required for basic operation - verified in Section 22 and Figure 29.
AT45DQ161-CCUD-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 9-UBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 16Mbit
- Memory Organization:
- 528 Bytes x 4096 pages
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 85 MHz
- Write Cycle Time - Word, Page:
- 8µs, 6ms
- Access Time:
- -
- Voltage - Supply:
- 2.5V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 9-UBGA (6x6)
AT45DQ161-CCUD-T FAQ
1.How can I place an order for AT45DQ161-CCUD-T through Aetrix?
Please submit a Request for Quotation (RFQ) for AT45DQ161-CCUD-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 AT45DQ161-CCUD-T reliable?
The price and inventory of AT45DQ161-CCUD-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT45DQ161-CCUD-T is usually 5 days.
3.What payment methods are accepted for AT45DQ161-CCUD-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT45DQ161-CCUD-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT45DQ161-CCUD-T?
AT45DQ161-CCUD-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT45DQ161-CCUD-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 AT45DQ161-CCUD-T?
For technical support, including AT45DQ161-CCUD-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT45DQ161-CCUD-T requirements.
6.How does Aetrix verify that AT45DQ161-CCUD-T is sourced from the original manufacturer or authorized distributors?
All AT45DQ161-CCUD-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 AT45DQ161-CCUD-T meets industry standards.
7.What is the process for return or replacement of AT45DQ161-CCUD-T?
All AT45DQ161-CCUD-T units undergo pre-shipment inspection (PSI). If there is an issue with AT45DQ161-CCUD-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 AT45DQ161-CCUD-T part is unused and in its original packaging.
Return procedure for AT45DQ161-CCUD-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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