M29W800FT70ZA3SE - 8Mbit 70ns NOR Flash | Micron | Embedded
MPN: M29W800FT70ZA3SE β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.9 | $1.90 |
| 10 | $1.71 | $17.10 |
| 100 | $1.53 | $153.00 |
| 500 | $1.45 | $725.00 |
| 1,000 | $1.38 | $1,380.00 |
Drop-in alternatives for M29W800FT70ZA3SE β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
M29W800FT70ZA3E
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
M29W800FT70ZS3E
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
M29W800FB70ZA3E
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
M29W800FT70ZA3SE Maximum Ratings & Electrical Characteristics
| Memory Type | NOR Flash (Parallel) |
| Memory Size | 8 Mbit |
| Organization | 512K x 16 |
| Technology | SLC |
| Access Time | 70 ns |
| Interface | Parallel |
| Supply Voltage | 2.7 V to 3.6 V |
| Operating Temperature | -40C to +125C |
| Package | 48-TFBGA (6x8 mm) |
| Mounting Type | Surface Mount |
| Programming Interface | CFI command set |
| Boot Block Architecture | Top boot (FT = top boot block) |
| Density | 8 Mb |
| Chipset Validation | N/A |
M29W800FT70ZA3SE 48-tfbga (6x8 mm) Pin Configuration Guide
Complete pinout information for M29W800FT70ZA3SE (48-tfbga (6x8 mm) 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 M29W800FT70ZA3SE.
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
M29W800FT70ZA3SE is suitable for 6 applications: Embedded Boot Code Storage, Industrial Control Modules, Telecom and Networking Equipment, Automotive-Adjacent Modules, Legacy System Repair and Sustainment, Set-Top Box and Printer Firmware.
Embedded Boot Code Storage
The M29W800FT70ZA3SE is a natural fit for boot firmware storage because its 70 ns parallel random access allows the CPU to fetch the reset vector and execute in place (XIP) without first copying code into RAM. Organized as 512K x 16, the 16-bit bus halves the address pin count versus x8 configurations while sustaining zero-wait-state reads on typical embedded buses. Placed directly on the processor's memory controller with standard CFI command programming, it supports in-system firmware updates using program/erase suspend commands, keeping the system responsive during updates. Its 8Mbit density comfortably holds a bootloader plus a compressed OS image for industrial controllers and telecom line cards.
Recommended
Industrial Control Modules
Industrial PLCs, motor drives, and factory automation controllers need nonvolatile code storage that survives wide temperature swings and years of field service. The M29W800FT70ZA3SE's -40C to +125C operating range exceeds typical industrial requirements, and its SLC NOR architecture provides deterministic read timing with no wear-leveling complexity for code that is rarely rewritten. The 2.7V to 3.6V single supply integrates cleanly with 3.3V logic rails, and the 48-TFBGA (6x8 mm) footprint saves board area versus legacy TSOP parallel flash. Its 70 ns access time supports direct memory-bus execution without wait states on most industrial microcontroller bus clocks.
Recommended
Telecom and Networking Equipment
Line cards, routers, and base-station control boards traditionally store firmware in parallel NOR for reliable boot and in-place execution. The M29W800FT70ZA3SE fits this role with a 70 ns access time, a 512K x 16 organization that maps directly onto 16-bit processor buses, and CFI-standard command programming that simplifies driver portability across firmware versions. The extended -40C to +125C temperature range covers unconditioned outdoor telecom cabinets, while the compact 6x8 mm TFBGA suits high-density blade designs. Distributed stock (DigiKey ships same day; Octatronics lists 852 units) supports both new builds and field-repair spares as of 2026-09-04.
Recommended
Automotive-Adjacent Modules
Body-control adjacent modules, sensors hubs, and telematics units benefit from the M29W800FT70ZA3SE's -40C to +125C rating, which spans the temperature envelope of many automotive cabin and engine-bay-adjacent locations. Its parallel bus XIP capability provides deterministic boot timing required by functional-safety-conscious startup sequences, and SLC NOR endurance handles the modest firmware-update frequency of automotive ECUs. Designers should confirm formal AEC-Q100 qualification status with Micron before safety-relevant deployment, as available listings describe a standard-grade part. The 48-TFBGA package's short bond wires also improve signal integrity on vibration-prone platforms compared with leaded TSOP packages.
Recommended
Legacy System Repair and Sustainment
Many installed industrial, medical, and telecom platforms were designed around 8Mbit parallel NOR and remain in service for decades. The M29W800FT70ZA3SE provides a currently-stocked, same-form-factor source for board repairs and spare manufacturing of these systems: the 512K x 16 organization, 70 ns timing, 2.7V to 3.6V supply, and 48-ball TFBGA (6x8) footprint match the original M29W800 design-in parameters exactly. With in-stock availability at LCSC ($1.5250 as of 2026-09-04) and DigiKey (ships today), maintainers can avoid costly redesigns, and same-family FT/FB variants cover both top- and bottom-boot reset-vector conventions across legacy CPU families.
Recommended
Set-Top Box and Printer Firmware
Set-top boxes, printers, and imaging equipment execute firmware from NOR flash at power-up before any mass storage is available. The M29W800FT70ZA3SE supports this with 70 ns XIP reads on a 16-bit bus, an 8Mbit capacity sized for bootloader plus compressed application images, and a CFI command set that shortens software bring-up across SoC vendors. Its 3.3V-compatible single supply simplifies the power tree, and the 6x8 mm TFBGA keeps the memory footprint small on cost-sensitive consumer boards. Firmware-update routines can use program/erase suspend so the device remains readable while background updates proceed, preventing UI stalls during over-the-network upgrades.
Recommended
Recommended Products Summary
Engineering reference data for M29W800FT70ZA3SE β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M29W800FT70ZA3E | M29W800FT70ZS3E | M29W800FB70ZA3E |
|---|---|---|---|---|
| Package | 48-TFBGA (6x8 mm) | 48-TFBGA (6x8 mm) - same | 48-TFBGA (6x8 mm) - same | 48-TFBGA (6x8 mm) - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 8 Mbit | 8 Mbit | 8 Mbit | 8 Mbit |
| Organization | 512K x 16 | 512K x 16 | 512K x 16 | 512K x 16 |
| Access Time | 70 ns | 70 ns | 70 ns | 70 ns |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Operating Temperature | -40C to +125C | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Boot Block Orientation | Top boot (FT) | Top boot (FT) | Top boot (FT) | Bottom boot (FB) |
Key Differentiators
- Top-boot block architecture with extended -40C to +125C range (vs M29W800FB70ZA3E)
- Parallel bus XIP at 70 ns (vs MT25QL128ABB1EW7)
- Currently stocked legacy-sustainment part (vs M29W800FT70ZS3E)
Design Notes
The 70 ns access time is the fastest M29W800 grade, so bus timing margin matters. Keep address/data trace lengths matched within ~10 mm on the parallel bus and series-terminate (~22 to 33 ohm) long address lines to control ringing at fast edges. Verify the processor's external bus timing at worst-case temperature (-40C/+125C shifts output-driver strength) and confirm CE#-to-output-valid timing against the 70 ns figure from the manufacturer datasheet rather than assuming zero wait states across the full clock range.
Power the device from a clean 2.7V to 3.6V rail with 0.1 uF ceramic decoupling at each supply ball plus a 10 uF bulk capacitor, since program and erase operations draw transient current pulses on top of the read-baseline supply current. If the same 3.3V rail also feeds switching regulators or RF circuitry, add a ferrite bead isolation stage to prevent supply droop during erase bursts from resetting the memory controller. Confirm exact ICC read/program/erase figures from the Micron M29W800FT family datasheet before finalizing the power budget.
Do not confuse FT (top boot) and FB (bottom boot) suffixes: they are electrically identical in the same 48-TFBGA package but place the protected boot sectors at opposite ends of the address map, so an FB part in an FT-designed socket will locate the reset-vector code at the wrong address. Also verify the temperature/packing suffix digit (SE vs E vs S3) when ordering, as the same die ships in multiple grades. Erase operations take far longer than program operations - implement suspend/resume in your firmware-update driver so the CPU can keep servicing interrupts during bulk erase.
Compliance Information
Compliance status not stated in the provided verified web data; confirm RoHS/REACH and AEC-Q100 status on Micron's official part-detail page.
