M29F800FT55M3F2 - 8Mbit 5V Parallel NOR Flash 55ns | Micron
MPN: M29F800FT55M3F2 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.6 | $2.60 |
| 10 | $2.45 | $24.50 |
| 100 | $2.3 | $230.00 |
| 500 | $2.2 | $1,100.00 |
| 1,000 | $2.1 | $2,100.00 |
Drop-in alternatives for M29F800FT55M3F2 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
M29F800FB55M3F2
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →M29F800FT55M3E2
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →M29F800FB55N3F2
✅ Drop-In✓ In Stock
$2.47 / Unit
View Datasheet →M29F800FT55N3F2
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.78 / Unit
View Datasheet →M29F400FT55N3F2
✅ Drop-In✓ In Stock
$1.51 / Unit
View Datasheet →M29F800FT55M3F2 Maximum Ratings & Electrical Characteristics
| Memory Type | Parallel NOR Flash |
| Density | 8 Mbit (8389 kbits) |
| Organization | 512K x 16 / 1M x 8 |
| Access Time | 55 ns |
| Supply Voltage (VCC) | 5 V |
| Boot Block Position | Top boot block |
| Programming Interface | Embedded program/erase controller |
| Operating Temperature | -40C to +125C |
| Package | 44-pin SO (SOP) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Interface | Parallel, x8/x16 selectable |
| RoHS Status | Compliant (lead-free suffix F2) |
M29F800FT55M3F2 44-pin so (sop) Pin Configuration Guide
Complete pinout information for M29F800FT55M3F2 (44-pin so (sop) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for M29F800FT55M3F2.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
M29F800FT55M3F2 is suitable for 6 applications: Boot Code Storage in Industrial Controllers, Telecommunications Line Cards, Set-Top Box and Consumer Electronics Boot Memory, Legacy 5V Microprocessor Systems, Automotive-Adjacent Industrial Modules, Test and Measurement Instrument Firmware.
Boot Code Storage in Industrial Controllers
The M29F800FT55M3F2 stores bootloader and firmware images in industrial PLCs, motor drives, and process controllers that still run 5V microprocessor buses. Its 55 ns access time supports zero-wait-state code fetch, while the top boot block protects the reset vector from accidental erasure during field firmware updates. The embedded program/erase controller allows the host CPU to issue block erase and word program commands without timing loops, simplifying in-field update firmware. Operating from -40C to +125C, it survives factory-floor temperature extremes, and the 44-pin SO footprint allows footprint-compatible density moves within the M29F family.
Recommended
Telecommunications Line Cards
Legacy telecom line cards and network interface modules frequently use 5V parallel NOR Flash for code storage. The M29F800FT55M3F2's parallel x16 bus interfaces directly to classic communication processors without glue logic, and its 8 Mbit density accommodates protocol stacks and diagnostics. The 55 ns access time matches the bus timing of 5V-era telecom ASICs, and the embedded program/erase controller supports remote firmware download over the network. Its -40C to +125C rating covers outdoor cabinets and unconditioned equipment rooms, while the tape-and-reel format suits automated assembly of high-card-count production.
Recommended
Set-Top Box and Consumer Electronics Boot Memory
Set-top boxes and consumer AV equipment built on 5V platforms use the M29F800FT55M3F2 to hold boot code and channel tables. The top boot block isolates the bootloader so application regions can be updated via OTA mechanisms without risking a bricked device. The 512K x16 organization provides 1 MB equivalent storage in a single 44-pin SO package, keeping BOM cost near $2.60 as of 2026-09-05. Its x8/x16 selectable bus lets one design serve both cost-optimized 8-bit and performance-oriented 16-bit processor variants, and the embedded program/erase controller removes CPU load during table updates.
Recommended
Legacy 5V Microprocessor Systems
Designs based on 8051, 68k, or PowerPC-class 5V processors require memory with native 5V I/O. The M29F800FT55M3F2 eliminates level shifters because its VCC and I/O are both specified at 5V, and its 55 ns timing meets classic EPROM-bus timing requirements, making it a direct successor to 27C080-class EPROMs with in-system reprogrammability. The x8 mode supports byte-wide 8051 buses while x16 mode doubles throughput on 68k systems. The M29F family command set (mirroring JEDEC-style conventions) simplifies migration from earlier 5V Flash generations within the same footprint.
Recommended
Automotive-Adjacent Industrial Modules
Modules installed near automotive environments - telematics gateways, fleet trackers, off-highway equipment controllers - benefit from the M29F800FT55M3F2's -40C to +125C operating range and robust parallel NOR reliability for code storage. The device's hardware data protection guards against spurious writes during power transients common in 12V/24V vehicle electrical systems, and the top boot block keeps the boot image immutable during application updates. The 5V rail is directly available from legacy vehicle supply chains using 5V regulators, and the 44-pin SO package withstands vibration better than fine-pitch BGAs.
Recommended
Test and Measurement Instrument Firmware
Bench instruments and data loggers built on 5V architectures use the M29F800FT55M3F2 for firmware and calibration-table storage. Random parallel access at 55 ns supports fast boot and lookup-table reads, while in-system programmability lets service technicians update firmware in the field. The 8 Mbit capacity separates a small protected boot region from larger application and calibration blocks. The wide -40C to +125C range accommodates instruments stored in vehicles or unheated facilities, and the SO package's gull-wing leads support straightforward inspection and rework on instrument assembly lines.
Recommended
Recommended Products Summary
Engineering reference data for M29F800FT55M3F2 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M29F800FB55M3F2 | M29F800FT55M3E2 | M29F800FT55N3F2 |
|---|---|---|---|---|
| Package | 44-pin SO (SOP) | 44-pin SO (SOP) - same | 44-pin SO (SOP) - same | 44-pin SO ordering code - verify |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 8 Mbit | 8 Mbit | 8 Mbit | 4 Mbit |
| Access Time | 55 ns | 55 ns | 55 ns | 55 ns |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V |
| Boot Block Position | Top | Bottom | Top | Top |
| Organization | 512K x16 / 1M x8 | 512K x16 / 1M x8 | 512K x16 / 1M x8 | 256K x16 / 512K x8 |
| Lead-Free / RoHS Suffix | F2 (lead-free) | F2 (lead-free) | E2 (legacy suffix) | F2 (lead-free) |
Key Differentiators
- Top boot block protects reset vector (vs M29F800FB55M3F2)
- Current lead-free F2 ordering code (vs M29F800FT55M3E2)
- Double the code capacity per footprint (vs M29F400FT55N3F2)
Design Notes
Verify boot block position before substituting: the FT suffix in M29F800FT55M3F2 places boot blocks at the top of the address map, so a pin-compatible FB (bottom boot) part will mis-map the reset vector and brick the system even though it drops onto the same footprint. Cross-check your processor's reset vector address against the datasheet block address table before finalizing the BOM, especially when dual-sourcing FT and FB variants across product lines.
Decouple VCC with a 0.1 uF ceramic capacitor placed within a few millimeters of the 44-pin SO package supply pins, and add bulk capacitance (4.7-10 uF estimated value - confirm against the Micron datasheet ICC transient figures) to support program/erase current surges. Keep address and data bus traces length-matched loosely; at 55 ns access times, signal integrity is forgiving, but avoid routing the write-enable line adjacent to clock lines to prevent spurious program commands during bus contention.
The device operates from a single 5V rail for read, program, and erase; do not attempt operation at 3.3V. Ensure the host CPU uses the BYTE pin correctly to select x8 versus x16 organization, floating it only where the datasheet permits. During power-up and power-down, hold output enable and write enable deasserted to prevent accidental writes - implement the reset/power-down pin (RP) driven by a supervisor for reliable brown-out protection rather than relying on resistor pull-ups alone.
Compliance Information
F2 suffix indicates lead-free/RoHS-compliant ordering code per Micron numbering and distributor listings. REACH, halogen-free, and conflict-minerals status not stated in provided data - verify on Micron product page.
