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Microchip Technology AT49BV1614AT-90CI
- Part No.:
- AT49BV1614AT-90CI
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 48-TFBGA, CSPBGA
- Datasheet:
-
AT49BV1614AT-90CI.pdf
- Description:
- IC FLASH 16MBIT PARALLEL 48CBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,930
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Product details
Overview
AT49BV1614AT-90CI from Microchip Technology (formerly Atmel) is a 16-Mbit (1M × 16 / 2M × 8) 3.3V-only parallel Flash memory with dual-plane architecture, 70 ns access time, and sector erase capability. It supports byte/word programming, erase suspend/resume, and VPP-accelerated operations - ideal for embedded boot code storage in industrial controllers and communication modules.
For engineers reviewing the AT49BV1614AT-90CI datasheet, AT49BV1614AT-90CI pinout, AT49BV1614AT-90CI application, or AT49BV1614AT-90CI equivalent, key selection considerations include its 48-pin TSOP/CBGA package options, top/bottom boot block configuration, 128-bit protection register, and dual-plane concurrent read-while-program/erase functionality.
Technical Context
The AT49BV1614AT-90CI implements a two-plane memory architecture (Plane A: 15 sectors; Plane B: 24 sectors), enabling simultaneous read from one plane while programming or erasing the other. Its command-set-driven operation uses six-byte sequences for chip/sector erase and lockdown, with hardware data protection including VCC sense, noise filtering, and program inhibit logic.
It features three end-of-operation detection methods: RDY/BUSY open-drain output, Data Polling on I/O7, and Toggle Bit on I/O6 (and I/O2 during erase suspend). The BYTE pin selects x8/x16 data bus width, and VPP supports 5V or 12V acceleration for program/erase cycles - configurable per application power constraints.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 Mbit (1,048,576 × 16 or 2,097,152 × 8) - supports boot firmware and application code in space-constrained designs |
| Access Time | 90 ns max - meets timing requirements for 11 MHz bus interfaces without wait states |
| Supply Voltage | 2.65V to 3.3V - compatible with modern low-voltage 3.3V systems; no 5V rail required |
| Active Current | 30 mA typical - enables low-power operation during active reads in battery-backed or energy-sensitive systems |
| Standby Current | 10 µA typical - minimizes quiescent power draw during system sleep modes |
| Sector Erase Time | 300 ms max - enables fast field updates of firmware partitions without full-chip reprogramming |
| Program Time | 20 µs per word - allows rapid in-system programming of configuration data or patches |
Pinout & Package
AT49BV1614AT-90CI is available in 48-lead TSOP Type 1 and 48-ball CBGA packages. Pin functions are identical across both packages, with ball/pin mapping validated per Microchip datasheet Rev. 1411F.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A19 | Address Inputs | 20-bit address bus supporting full 1M-word addressing; A-1 used only in byte mode via I/O15 |
| I/O0–I/O15 / I/O15(A-1) | Data I/O / LSB Address | x16 mode: bidirectional data bus; x8 mode: I/O0–I/O7 active, I/O15 repurposed as A-1 |
| CE, OE, WE | Chip/Output/Write Enable | Dual-line control prevents bus contention; standard microprocessor timing compatibility |
| BYTE | Bus Width Select | Logic high = x16 mode (I/O0–I/O15); logic low = x8 mode (I/O0–I/O7 active) |
| RDY/BUSY | Open-Drain Status Output | Active-low signal for hardware polling; supports OR-tying of multiple devices on shared line |
| VPP | Accelerated Program/Erase Supply | Accepts 5V ±0.5V or 12V ±0.5V to reduce program/erase times; can be left unconnected for VCC-only operation |
| RESET | Hardware Initialization | Forces device into read/standby mode; halts ongoing operations and tri-states outputs |
| VCCQ | Output Driver Power | Separate 1.8–3.3V supply for I/O voltage level control - enables mixed-voltage system interfacing |
Key Features
| Feature | Design Value |
|---|---|
| Dual-plane concurrent operation | Enables real-time read access during background program/erase - critical for fail-safe firmware updates |
| Erase suspend/resume | Allows interruption of sector erase to service urgent read/program requests within same memory plane |
| 128-bit protection register | Factory-programmed 64-bit ID + user-programmable 64-bit lockable block - supports secure boot and anti-cloning |
| Sector lockdown | Per-sector write-protection activated via command sequence - preserves boot code integrity during field upgrades |
| Hardware data protection | VCC sense, 10 ms power-on delay, noise filtering, and control-line inhibit prevent accidental writes |
Applications
| Industrial PLC Firmware Storage | Telecom Baseband Boot Memory |
|---|---|
Use Scenario: Storing boot loader and real-time OS kernel in programmable logic controllers requiring field-upgradable firmware. IC Role / Device Role / Timing Role: Non-volatile boot memory with deterministic 90 ns read latency and sector-level update isolation. Use Value: Dual-plane architecture allows runtime diagnostics read access while updating application firmware sectors - minimizing system downtime. | Use Scenario: Holding DSP initialization code and calibration tables in wireless infrastructure baseband units. IC Role / Device Role / Timing Role: Parallel Flash providing x16 interface bandwidth and VPP-accelerated reprogramming for factory calibration updates. Use Value: 128-bit protection register and sector lockdown prevent unauthorized modification of carrier-specific calibration data. |
| Medical Imaging Control Module | Automotive ADAS Sensor Hub |
Use Scenario: Storing safety-critical startup routines and diagnostic firmware in FDA-compliant imaging equipment. IC Role / Device Role / Timing Role: Read-while-erase capable Flash ensuring continuous status monitoring during firmware patching. Use Value: Hardware RESET and RDY/BUSY signaling enable deterministic recovery from power faults during in-field updates. | Use Scenario: Hosting sensor fusion algorithms and CAN protocol stacks in automotive radar processing units. IC Role / Device Role / Timing Role: Boot memory with top/bottom boot block configuration supporting dual-image failover schemes. Use Value: Erase suspend capability permits immediate response to vehicle bus interrupts without aborting long-duration firmware updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SST39VF1601C-90-4C-EKE | 48-pin TSOP, 16 Mbit, 90 ns, 3.0–3.6V supply - lacks dual-plane and erase suspend | No concurrent read-while-erase; requires full wait-state handling during updates | Select when cost sensitivity outweighs need for background operations |
| MX29LV160ETTI-90G | 48-pin TSOP, 16 Mbit, 90 ns, 3.0–3.6V - includes CFI compliance and boot-block mirroring | Standardized command set simplifies driver portability but omits 128-bit protection register | Prefer for designs requiring JEDEC-standard Flash abstraction layers |
Compared with SST39VF1601C-90-4C-EKE and MX29LV160ETTI-90G, the AT49BV1614AT-90CI uniquely delivers dual-plane concurrency and hardware-based sector lockdown - essential for safety-critical or zero-downtime firmware update architectures.
Availability
AT49BV1614AT-90CI is available at Aetrix Electronics and suitable for industrial PLC firmware storage, telecom baseband boot memory, and medical imaging control modules requiring stable component supply across extended product lifecycles.
Supply support for AT49BV1614AT-90CI 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 full support for legacy Atmel Flash products including the AT49BV/LV16X4A(T) family.
The AT49BV1614AT-90CI belongs to Atmel's parallel Flash memory product line, designed specifically for reliable, in-system programmable boot code storage in industrial, medical, and communications equipment.
FAQ
What is the operating temperature range for AT49BV1614AT-90CI?
The AT49BV1614AT-90CI is rated for industrial temperature operation from –40°C to +85°C (case temperature), making it suitable for deployment in harsh environments such as factory automation panels and outdoor telecom cabinets where thermal stability is critical. This rating is confirmed in the DC and AC Operating Range table of the official datasheet Rev. 1411F.
Does AT49BV1614AT-90CI support both x8 and x16 data bus configurations?
Yes, AT49BV1614AT-90CI supports both configurations via the BYTE pin: logic high enables x16 mode (I/O0–I/O15 active), while logic low enables x8 mode (I/O0–I/O7 active, I/O15 repurposed as A-1). This flexibility allows seamless integration into 8-bit or 16-bit microcontroller buses without external glue logic - a key differentiator from fixed-bus-width alternatives.
How does the dual-plane architecture of AT49BV1614AT-90CI improve system performance?
The dual-plane architecture of AT49BV1614AT-90CI allows concurrent read operations from one memory plane while programming or erasing the other - eliminating mandatory wait states during firmware updates. For example, a system can execute diagnostic code from Plane B while rewriting application firmware in Plane A, directly improving uptime and responsiveness in real-time embedded systems.
Can AT49BV1614AT-90CI be programmed using only the VCC supply, or is VPP required?
AT49BV1614AT-90CI can be fully programmed and erased using only the VCC supply (2.65–3.3V); VPP is optional and used solely to accelerate program/erase times. When VPP ≤ VCC, the device automatically selects VCC as the programming supply. VPP may be left unconnected or tied to ground - no external 5V/12V source is mandatory for basic functionality.
What security mechanisms does AT49BV1614AT-90CI provide for firmware protection?
AT49BV1614AT-90CI provides three hardware-enforced security layers: (1) per-sector lockdown via command sequence, (2) 128-bit protection register with factory-programmed ID and user-lockable block, and (3) hardware data protection including VCC sensing and noise filtering. These features collectively prevent unauthorized firmware modification, cloning, or corruption - meeting baseline requirements for IEC 62443 and ISO 26262 functional safety workflows.
AT49BV1614AT-90CI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 48-TFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 16Mbit
- Memory Organization:
- 2M x 8, 1M x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 50µs
- Access Time:
- 90 ns
- Voltage - Supply:
- 2.65V ~ 3.3V
- Operating Temperature:
- -40°C ~ 85°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-CBGA (6x8)
AT49BV1614AT-90CI FAQ
1.How can I place an order for AT49BV1614AT-90CI through Aetrix?
Please submit a Request for Quotation (RFQ) for AT49BV1614AT-90CI 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 AT49BV1614AT-90CI reliable?
The price and inventory of AT49BV1614AT-90CI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT49BV1614AT-90CI is usually 5 days.
3.What payment methods are accepted for AT49BV1614AT-90CI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT49BV1614AT-90CI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT49BV1614AT-90CI?
AT49BV1614AT-90CI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT49BV1614AT-90CI 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 AT49BV1614AT-90CI?
For technical support, including AT49BV1614AT-90CI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT49BV1614AT-90CI requirements.
6.How does Aetrix verify that AT49BV1614AT-90CI is sourced from the original manufacturer or authorized distributors?
All AT49BV1614AT-90CI 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 AT49BV1614AT-90CI meets industry standards.
7.What is the process for return or replacement of AT49BV1614AT-90CI?
All AT49BV1614AT-90CI units undergo pre-shipment inspection (PSI). If there is an issue with AT49BV1614AT-90CI, 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 AT49BV1614AT-90CI part is unused and in its original packaging.
Return procedure for AT49BV1614AT-90CI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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