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Microchip Technology AT29C010A-15PI
- Part No.:
- AT29C010A-15PI
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 32-DIP (0.600", 15.24mm)
- Datasheet:
-
AT29C010A-15PI.pdf
- Description:
- IC FLASH 1MBIT PARALLEL 32DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,004
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Product details
Overview
AT29C010A-15PI from Atmel is a 1 Mbit (128K × 8) 5V-only Flash memory IC used for nonvolatile code and data storage in embedded systems, supporting sector-based reprogramming with 128-byte granularity and hardware/software data protection. It delivers 150 ns read access time, 10 ms sector program cycle, and operates across -40°C to +85°C industrial temperature range.
For engineers reviewing the AT29C010A-15PI datasheet, AT29C010A-15PI pinout, AT29C010A-15PI application, or AT29C010A-15PI equivalent, key selection considerations include its PLCC-32 industrial-grade packaging, boot block lockout capability, DATA polling and toggle bit programming status detection, and compatibility with standard EPROM read interfaces.
Technical Context
The AT29C010A-15PI implements a sector-erase architecture with 1024 independent 128-byte sectors, enabling selective reprogramming without full-chip erasure. Its internal latching logic captures address and data during byte load cycles, freeing the bus for concurrent operations.
It integrates dual 8K-byte boot blocks with programmable lockout, hardware VCC sensing (<3.8 V inhibit), noise-filtered WE/CE inputs, and software-controlled protection via three-byte command sequences. Programming requires no high-voltage supply-only 5V ±10%.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 1 Mbit (131,072 × 8), organized as 128K words × 8 bits - supports firmware storage for microcontroller boot loaders and configuration data. |
| Read Access Time | 150 ns maximum - ensures compatibility with 6–7 MHz system buses without wait states in industrial controllers. |
| Sector Size | 128 bytes per sector - enables fine-grained firmware updates while minimizing risk of corruption during power loss. |
| Program Cycle Time | 10 ms per sector - deterministic timing allows precise host-side timeout management during field upgrades. |
| Endurance | >10,000 write/erase cycles per sector - suitable for applications requiring infrequent but reliable field reprogramming. |
| Supply Voltage | 5V ±10% - eliminates need for dedicated programming voltage rails; simplifies power design in legacy 5V systems. |
| Operating Temperature | -40°C to +85°C - qualified for industrial automation, motor drives, and outdoor metering equipment. |
Pinout & Package
AT29C010A-15PI is packaged in a 32-lead Plastic Leaded Chip Carrier (PLCC-32), compliant with JEDEC MS-016 Variation AE, with lead coplanarity ≤0.102 mm and body dimensions 12.57 mm × 15.11 mm × 3.56 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address Inputs | 17-bit address bus supporting full 128K-word addressing; A7–A16 define sector address during programming. |
| I/O0–I/O7 | Bidirectional Data Bus | CMOS/TTL-compatible 8-bit data path; I/O7 provides DATA polling feedback; I/O6 toggles during program/erase. |
| CE | Chip Enable | Active-low chip select; must be low for read, program, or identification modes; high disables outputs and enables CMOS standby. |
| OE | Output Enable | Active-low output control; used with CE to enable read data; held high during programming to prevent bus contention. |
| WE | Write Enable | Active-low write strobe; initiates byte loads and sector programming; filtered against <15 ns noise pulses. |
| VCC | Power Supply | +5V ±10% main supply; internal VCC sense circuitry inhibits programming if voltage drops below ~3.8 V. |
| GND | Ground Reference | Signal and power ground reference; decoupling required within 10 mm of VCC pin for stable operation. |
| NC | No Connect | Two unconnected pins (Pin 6 and Pin 27 in PLCC); must remain floating - no external connection permitted. |
Key Features
| Feature | Design Value |
|---|---|
| Boot Block Lockout | Independent 8K-byte lockout for lower (0x0000–0x1FFF) and upper (0x1E000–0x1FFFF) memory regions - prevents accidental overwrite of bootloader code. |
| Software Data Protection | Three-byte command sequence (AAh/55h/A0h) enables/disables write protection - survives power cycles and guards against spurious writes. |
| Hardware Program Inhibit | VCC sense, 5 ms power-on delay, OE/CE/WE logic interlock, and 15 ns input noise filtering - ensures robust immunity to brownouts and EMI. |
| Status Detection | DATA polling on I/O7 and toggle-bit monitoring on I/O6 - enables host MCU to detect programming completion without fixed delays or external timers. |
| Single-Voltage Reprogramming | 5V-only erase and program - eliminates need for 12V programming supplies, reducing BOM count and PCB complexity. |
Applications
| Industrial PLC Firmware Storage | Embedded Network Router Boot Code |
|---|---|
Use Scenario: Storing firmware images and configuration parameters in programmable logic controllers deployed in factory environments with wide temperature swings and electrical noise. IC Role / Device Role / Timing Role: Nonvolatile code storage device providing fast 150 ns read access for real-time instruction fetch and 10 ms sector reprogramming for remote firmware updates. Use Value: Boot block lockout preserves critical startup routines during field upgrades; industrial temperature rating ensures reliability in uncontrolled cabinet environments. |
Use Scenario: Holding boot loader and recovery firmware in Ethernet/Wi-Fi routers requiring secure, field-upgradable storage without high-voltage programming infrastructure. IC Role / Device Role / Timing Role: Flash memory IC operating as primary boot device, interfacing directly with MIPS/ARM processors via standard parallel bus with EPROM-like timing. Use Value: Software data protection prevents unauthorized firmware modification; DATA polling enables deterministic upgrade sequencing in resource-constrained embedded Linux systems. |
| Legacy Industrial HMI Display Controller | Automated Test Equipment (ATE) Calibration Data |
Use Scenario: Retaining display graphics, language strings, and user interface logic in human-machine interface panels using aging 5V microcontroller platforms. IC Role / Device Role / Timing Role: Drop-in EPROM replacement delivering identical read interface behavior while adding in-system reprogrammability via existing 5V bus. Use Value: 5V-only operation avoids redesign of legacy 5V power domains; 128-byte sector granularity minimizes update time and flash wear in frequently modified UI assets. |
Use Scenario: Storing precision calibration coefficients and test algorithm versions in benchtop ATE systems where traceability and revision control are mandatory. IC Role / Device Role / Timing Role: Secure nonvolatile storage element with hardware and software write protection, accessed during power-up self-test and calibration verification. Use Value: Dual boot block lockout isolates golden calibration data from application firmware; >10,000 endurance cycles support lifetime recalibration without replacement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM29LV010B-150EC | 3V core with 5V I/O tolerance; 150 ns access; 1 Mbit; supports CFI query mode. | Requires level-shifting in pure 5V systems; lacks boot block lockout; uses different command set. | Preferred for new 3.3V designs with JEDEC-standardized firmware update protocols. |
| MX29LV160CBTI-15G | 3V supply; 16 Mbit density; 150 ns access; top/bottom boot block configuration; CFI-compliant. | Higher density and lower voltage; incompatible command set and sector map; no direct PLCC-32 industrial variant. | Selected when scaling firmware size beyond 1 Mbit while maintaining industrial temperature operation. |
Compared with AM29LV010B-150EC and MX29LV160CBTI-15G, the AT29C010A-15PI offers native 5V operation, proven boot block lockout, and PLCC-32 industrial packaging - making it uniquely suited for legacy 5V embedded systems requiring field-reprogrammable, tamper-resistant firmware storage without voltage translation or board redesign.
Availability
AT29C010A-15PI is available at Aetrix Electronics and suitable for industrial PLCs, embedded network routers, legacy HMI controllers, automated test equipment, and motor drive firmware storage requiring stable component supply over extended product lifecycles.
Supply support for AT29C010A-15PI 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
Atmel Corporation (now part of Microchip Technology) is a semiconductor manufacturer specializing in microcontrollers, nonvolatile memory, and secure authentication devices.
The AT29C010A-15PI belongs to Atmel's legacy 5V Flash memory product line, designed specifically for drop-in EPROM replacement and in-system firmware update capability in industrial and automotive-adjacent embedded systems.
FAQ
What is the operating temperature range for the AT29C010A-15PI?
The AT29C010A-15PI is rated for industrial operation from -40°C to +85°C. This specification is confirmed in the Ordering Information table and DC Operating Range section of the official datasheet (Rev. 0394F–FLASH–02/03), where the "-15PI" suffix explicitly denotes the industrial temperature grade with PLCC packaging. The device maintains full functionality-including 150 ns read access and 10 ms sector programming-across this entire range.
Does the AT29C010A-15PI support in-system programming without high voltage?
Yes, the AT29C010A-15PI supports full in-system programming using only a single 5V ±10% supply-no 12V or higher programming voltage is required. This is enabled by internal charge pumps and verified in the "Features" and "Device Operation" sections of the datasheet, which state "5-volt Only Reprogramming" and describe sector-based programming initiated via standard WE/CE control signals. The AT29C010A-15PI achieves this while maintaining compatibility with EPROM read timing.
How does the boot block lockout feature work on the AT29C010A-15PI?
The AT29C010A-15PI includes two independent 8K-byte boot blocks-one at addresses 0x0000–0x1FFF (lower) and one at 0x1E000–0x1FFFF (upper)-each configurable for permanent programming lockout via a seven-command software sequence. Once enabled, that block becomes read-only; chip erase is disabled if either block is locked. The AT29C010A-15PI datasheet specifies the exact algorithm in Section "Boot Block Lockout Feature Enable Algorithm" and confirms lockout status via reads from 0x00002 (lower) and 0x1FFF2 (upper).
What methods are available to detect program completion on the AT29C010A-15PI?
The AT29C010A-15PI provides two hardware-confirmed methods: DATA polling on I/O7 (complement of last loaded byte until completion) and toggle-bit detection on I/O6 (toggles during programming, stabilizes afterward). Both are defined in the "DATA POLLING" and "TOGGLE BIT" sections of the datasheet, with timing parameters (tDH, tOEH) specified in Table "Data Polling Characteristics". These mechanisms eliminate need for fixed delays and allow the host system to manage AT29C010A-15PI programming asynchronously.
Is the AT29C010A-15PI pin-compatible with standard EPROMs like the 27C010?
The AT29C010A-15PI shares identical pinout, signal naming (A0–A16, I/O0–I/O7, CE, OE, WE, VCC, GND), and read-cycle timing with 27C010 EPROMs in PLCC-32 package, enabling direct socket replacement. However, programming differs: the AT29C010A-15PI uses sector-based commands and requires no UV erasure. The datasheet confirms functional read compatibility under "READ" operation and notes "accessed like an EPROM", validating its role as a drop-in upgrade for AT29C010A-15PI-based legacy systems.
AT29C010A-15PI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 32-DIP (0.600", 15.24mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 10ms
- Access Time:
- 150 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 32-PDIP
AT29C010A-15PI FAQ
1.How can I place an order for AT29C010A-15PI through Aetrix?
Please submit a Request for Quotation (RFQ) for AT29C010A-15PI 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 AT29C010A-15PI reliable?
The price and inventory of AT29C010A-15PI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT29C010A-15PI is usually 5 days.
3.What payment methods are accepted for AT29C010A-15PI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT29C010A-15PI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT29C010A-15PI?
AT29C010A-15PI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT29C010A-15PI 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 AT29C010A-15PI?
For technical support, including AT29C010A-15PI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT29C010A-15PI requirements.
6.How does Aetrix verify that AT29C010A-15PI is sourced from the original manufacturer or authorized distributors?
All AT29C010A-15PI 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 AT29C010A-15PI meets industry standards.
7.What is the process for return or replacement of AT29C010A-15PI?
All AT29C010A-15PI units undergo pre-shipment inspection (PSI). If there is an issue with AT29C010A-15PI, 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 AT29C010A-15PI part is unused and in its original packaging.
Return procedure for AT29C010A-15PI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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