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Microchip Technology AT29C010A-15PC
- Part No.:
- AT29C010A-15PC
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 32-DIP (0.600", 15.24mm)
- Datasheet:
-
AT29C010A-15PC.pdf
- Description:
- IC FLASH 1MBIT PARALLEL 32DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,671
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Product details
Overview
AT29C010A-15PC from Atmel is a 1 Mbit (128K × 8) 5V-only Flash memory IC used for nonvolatile code and data storage in embedded systems, supporting in-system reprogramming via sector-based erase-and-program operations. It delivers 150 ns read access time, 10 ms sector program cycle time, and features hardware/software data protection, two 8K-byte boot blocks with independent lockout, and CMOS/TTL-compatible I/O.
For engineers reviewing the AT29C010A-15PC datasheet, AT29C010A-15PC pinout, AT29C010A-15PC application, or AT29C010A-15PC equivalent, this page provides verified technical context, pin-level design meaning, real-world use scenarios, and validated alternative options for industrial control, BIOS firmware, and legacy microcontroller boot memory designs.
Technical Context
The AT29C010A-15PC implements a sector-erase architecture with 1024 × 128-byte sectors, internal address/data latches for full-sector loading, and automatic internal timing for erase-and-program execution. Its dual boot blocks (0x0000–0x1FFF and 0xFE000–0xFFFF) support secure system startup with programmable lockout enabled via seven-command algorithm.
Operation relies on standard parallel bus control: CE and OE low + WE high enables read mode; WE low + CE low + OE high initiates byte load; DATA polling on I/O7 or toggle-bit detection on I/O6 signals program completion. Hardware protection includes VCC sense (<3.8 V inhibits programming), 5 ms power-on delay, and noise filtering for <15 ns pulses on WE/CE.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 1 Mbit (131,072 × 8), organized as 128K words × 8 bits - supports full 16-bit address space with A0–A16 pins. |
| Read Access Time | 150 ns max - defines minimum clock-to-data valid window in microcontroller or FPGA interface timing budgets. |
| Sector Program Time | 10 ms typical - determines firmware update latency per 128-byte sector; enables background bus release during internal programming. |
| Supply Voltage | 5 V ± 10% - eliminates need for external VPP programming voltage; compatible with legacy 5V logic rails. |
| Endurance | >10,000 program/erase cycles per sector - ensures reliability in field-upgradable firmware applications with moderate update frequency. |
| Standby Current | 100 µA (CMOS, commercial temp) - enables low-power retention in battery-backed or energy-sensitive systems. |
| Operating Temp | 0°C to 70°C - qualified for commercial-grade industrial control panels and instrumentation without thermal derating. |
Pinout & Package
AT29C010A-15PC is supplied in a 32-lead Plastic Dual Inline Package (PDIP), 0.600" wide (package code 32P6), with through-hole mounting and industry-standard pin spacing (2.54 mm). Pin 1 identifier is top-left corner with notch orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address Inputs | 17-bit address bus; A0–A6 select byte within 128-byte sector, A7–A16 select sector - enables full 1 Mbit addressing. |
| I/O0–I/O7 | Bidirectional Data Bus | 8-bit parallel data path; carries loaded sector data during programming and read data during normal access. |
| CE | Chip Enable | Active-low chip select; must be low for read or byte load; high forces outputs to high-impedance - prevents bus contention. |
| OE | Output Enable | Active-low output control; low enables data output during read; high disables outputs - decouples memory from data bus. |
| WE | Write Enable | Active-low write strobe; low + CE low + OE high initiates byte load; controls timing of sector programming sequence. |
| VCC | Power Supply | +5 V ± 10% supply input; powers core logic and I/O buffers - no secondary programming voltage required. |
| GND | Ground Reference | Signal and power return path; must be low-impedance connection to minimize noise coupling into data/address lines. |
| NC | No Connect | Two unconnected pins (positions 3 and 30 in PDIP); must remain floating - no internal connection or function. |
Key Features
| Feature | Design Value |
|---|---|
| Single-cycle sector erase-and-program | Eliminates external erase step: loading 128 bytes triggers automatic internal erase followed by programming - simplifies firmware update routines. |
| Boot block lockout (dual 8K sections) | Independent software-enableable protection for lower (0x0000–0x1FFF) and upper (0xFE000–0xFFFF) boot regions - prevents accidental overwrite of bootloader code. |
| DATA polling & toggle-bit detection | I/O7 complement indicates active programming; I/O6 toggling confirms ongoing operation - enables polling-based status checks without dedicated status registers. |
| Hardware + software data protection | VCC sense, 5 ms power-on delay, and 3-byte unlock sequence (AAh/55h/A0h) prevent unintended writes during power transitions or noise events. |
| CMOS/TTL I/O compatibility | Accepts TTL-level inputs (VIL ≤ 0.8 V, VIH ≥ 2.0 V) and drives CMOS loads (VOH ≥ 4.2 V @ -100 µA) - interoperable with legacy 5V microcontrollers and FPGAs. |
Applications
| Industrial PLC Firmware Storage | Legacy PC BIOS Memory |
|---|---|
|
Use Scenario: Storing ladder logic programs and configuration parameters in programmable logic controllers requiring field updates without hardware replacement. IC Role / Device Role / Timing Role: Nonvolatile code storage with sector-level reprogrammability; 150 ns read access meets real-time scan cycle timing constraints. Use Value: Enables in-system firmware upgrades via serial port or HMI interface while maintaining operational continuity - no downtime for EPROM socket replacement. |
Use Scenario: Holding BIOS initialization code and hardware configuration tables in desktop motherboards using Intel 486/Pentium-era chipsets. IC Role / Device Role / Timing Role: Boot memory mapped at 0xFFFFF000; dual boot blocks protect primary and fallback BIOS images from corruption. Use Value: Lockout feature prevents accidental overwrites during BIOS updates; 5V-only operation avoids need for VPP switching circuitry on legacy boards. |
| Embedded Microcontroller Bootloader | Telecom Line Card Configuration |
|
Use Scenario: Hosting bootloader firmware for ARM7 or 8051-based devices that load application code from external peripherals upon reset. IC Role / Device Role / Timing Role: Primary boot device accessed at power-on; sector lockout secures first 8K bytes containing vector table and initialization routines. Use Value: Ensures deterministic boot behavior across product lifecycle; >10,000 endurance cycles support repeated development-stage firmware iterations. |
Use Scenario: Storing line-specific provisioning data (e.g., gain settings, protocol stacks) in carrier-grade DSLAM or TDM line cards subject to frequent field recalibration. IC Role / Device Role / Timing Role: Configuration memory updated via JTAG or UART; 10 ms sector programming enables rapid parameter changes without full device erase. Use Value: Sector granularity minimizes update window - only affected 128-byte region is rewritten, preserving unrelated configuration data integrity. |
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 | 3.3 V core with 5 V tolerant I/O; 150 ns access; 1 Mbit density; requires VCC ramp monitoring for write enable. | Designed for mixed-voltage systems; lacks boot block lockout; uses different command sequences (e.g., unlock bypass). | Choose when migrating to 3.3 V logic domains; verify timing compatibility with existing 5 V bus drivers and address decoders. |
| MX29LV160DBTI-15G | 16 Mbit density; 150 ns access; 3.3 V supply; CFI-compliant; 64K/32K/16K/8K/4K sector sizes - no fixed 128-byte sectors. | Supports larger firmware images; boot block structure differs (top/bottom 16K); requires CFI query and extended command set. | Prefer for new designs needing higher capacity; not drop-in due to pinout differences (48-pin TSOP vs. 32-pin PDIP) and voltage mismatch. |
Compared with AM29LV010B-150EC and MX29LV160DBTI-15G, the AT29C010A-15PC offers native 5 V operation and deterministic 128-byte sector granularity ideal for legacy 5 V controller interfaces, whereas alternatives require voltage translation or revised firmware partitioning strategies.
Availability
AT29C010A-15PC is available at Aetrix Electronics and suitable for industrial PLC firmware storage, legacy PC BIOS memory, and embedded microcontroller bootloader applications requiring stable component supply and long-term obsolescence management.
Supply support for AT29C010A-15PC 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 fabless semiconductor company specializing in microcontrollers, nonvolatile memory, and security ICs for industrial, automotive, and consumer applications.
The AT29C010A-15PC belongs to Atmel's parallel-interface Flash memory product line, designed specifically for cost-sensitive, 5 V-based embedded systems requiring simple in-system reprogrammability without high-voltage programming circuitry.
FAQ
What is the maximum operating temperature range for the AT29C010A-15PC?
The AT29C010A-15PC is rated for commercial temperature operation from 0°C to 70°C. It is not specified for industrial (-40°C to +85°C) or extended ranges. This makes it suitable for controlled-environment applications such as office equipment, test instruments, and non-ruggedized industrial panels where ambient temperature remains within this band.
Does the AT29C010A-15PC require a high-voltage programming signal like older EPROMs?
No, the AT29C010A-15PC does not require high-voltage programming. It operates with a single 5 V ± 10% supply for both read and program operations. Programming is initiated using standard 5 V logic-level command sequences applied to the address and data bus - eliminating the need for external VPP generators or charge pumps.
How is boot block protection enabled on the AT29C010A-15PC?
Boot block lockout is enabled via a seven-command software algorithm: load AAh to 5555h, 55h to 2AAAh, 80h to 5555h, AAh to 5555h, 55h to 2AAAh, 40h to 5555h, then 00h to 00000h (lower block) or FFh to 1FFFFh (upper block). Once set, the corresponding 8K block becomes permanently write-protected.
Can the AT29C010A-15PC be used in systems with 3.3 V microcontrollers?
The AT29C010A-15PC is a 5 V-only device with TTL/CMOS-compatible inputs but requires VCC = 5 V ± 10%. Direct interfacing with 3.3 V microcontrollers risks violating input voltage limits (VIH min = 2.0 V, but VCC = 3.3 V may not guarantee reliable recognition of logic high). Level-shifting circuitry is required for safe integration.
What happens if a program cycle is interrupted on the AT29C010A-15PC?
If power loss or reset occurs during programming, the AT29C010A-15PC enters an undefined state for the affected sector. No automatic recovery or rollback is provided. The sector must be manually erased (via software chip erase or sector erase) before reuse. Data polling or toggle-bit checks will not resolve incomplete writes - verification requires reading back written data post-recovery.
AT29C010A-15PC 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:
- 0°C ~ 70°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 32-PDIP
AT29C010A-15PC FAQ
1.How can I place an order for AT29C010A-15PC through Aetrix?
Please submit a Request for Quotation (RFQ) for AT29C010A-15PC 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-15PC reliable?
The price and inventory of AT29C010A-15PC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT29C010A-15PC is usually 5 days.
3.What payment methods are accepted for AT29C010A-15PC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT29C010A-15PC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT29C010A-15PC?
AT29C010A-15PC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT29C010A-15PC 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-15PC?
For technical support, including AT29C010A-15PC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT29C010A-15PC requirements.
6.How does Aetrix verify that AT29C010A-15PC is sourced from the original manufacturer or authorized distributors?
All AT29C010A-15PC 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-15PC meets industry standards.
7.What is the process for return or replacement of AT29C010A-15PC?
All AT29C010A-15PC units undergo pre-shipment inspection (PSI). If there is an issue with AT29C010A-15PC, 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-15PC part is unused and in its original packaging.
Return procedure for AT29C010A-15PC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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