M29W800FT70ZA3SF - 8Mbit NOR Flash 70ns TFBGA48 | Micron
MPN: M29W800FT70ZA3SF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.2 | $3.20 |
| 10 | $2.9 | $29.00 |
| 100 | $2.55 | $255.00 |
| 500 | $2.3 | $1,150.00 |
| 1,000 | $2.05 | $2,050.00 |
Drop-in alternatives for M29W800FT70ZA3SF — 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:
M29W800FB70ZA3SF
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$2.45 / Unit
View Datasheet →M29W800FT70ZA6SF
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
M29W800FT70ZS3F
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
M29W800FT70ZA3SF Maximum Ratings & Electrical Characteristics
| Memory Type | NOR Flash |
| Density | 8 Mbit |
| Interface | Parallel |
| Access Time | 70 ns |
| Supply Voltage | 2.7 V to 3.6 V |
| Operating Temperature | -40C to +125C |
| Package | 48-TFBGA (6 x 8 mm) |
| Mounting Type | Surface Mount |
| Boot Block Configuration | Top boot block (FT) |
| Package Body Size | 6 x 8 mm |
| Ball Pitch | 0.80 mm |
M29W800FT70ZA3SF 6 x 8 mm Pin Configuration Guide
Complete pinout information for M29W800FT70ZA3SF (6 x 8 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 M29W800FT70ZA3SF.
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
M29W800FT70ZA3SF is suitable for 6 applications: Embedded Boot Code Storage, Industrial Automation Controllers, Networking and Telecom Equipment, Set-Top Boxes and Consumer Electronics, Automotive-Adjacent and Transportation Electronics, Test and Measurement Instrumentation.
Embedded Boot Code Storage
The M29W800FT70ZA3SF stores boot and application firmware for microcontroller and microprocessor systems that read code in place over a parallel bus. Its 70 ns access time supports zero-wait-state fetches on many 3.3 V embedded processors, and the 8 Mbit density accommodates bootloader plus application images in a single non-volatile device. The top boot block arrangement places reset-vector code at the top of the array, and the 2.7 V to 3.6 V supply allows direct connection to a standard 3.3 V rail without level shifting.
Recommended
Industrial Automation Controllers
Industrial PLC and motor-control controllers require firmware storage that survives -40 C to +125 C ambient extremes inside sealed cabinets. The M29W800FT70ZA3SF meets this extended temperature rating while providing reliable parallel random access for in-place code execution after power-up. Block-based erase allows field firmware updates of individual code segments without erasing parameter storage blocks, and the 3 V supply integrates directly with industrial 3.3 V logic domains, reducing component count versus 5 V-only legacy Flash solutions.
Recommended
Networking and Telecom Equipment
Routers, switches, and telecom line cards traditionally use parallel NOR Flash for bootloader and firmware images because NOR offers the read reliability and random access that code execution demands. The M29W800FT70ZA3SF's 70 ns access time keeps CPU fetch latency low, while the 48-ball TFBGA (6 x 8 mm) package saves board area versus the TSOP48 alternative on dense line cards. The 8 Mbit capacity suits compact boot images, with the parallel interface remaining compatible with mature network processor reference designs.
Recommended
Set-Top Boxes and Consumer Electronics
Set-top box and consumer AV platforms use parallel NOR Flash for the secure boot stage that verifies and loads the main application image. The M29W800FT70ZA3SF provides a dependable 3.3 V parallel boot device whose -40 C to +125 C rating covers poorly ventilated consumer enclosures. Its top boot block lets designers isolate the immutable boot loader in protected blocks above field-updatable application regions, and the small 6 x 8 mm TFBGA footprint fits tightly packed mainboard layouts typical of cost-driven consumer hardware.
Recommended
Automotive-Adjacent and Transportation Electronics
Telematics units, gateway modules, and instrumentation clustered near automotive cabins experience wide temperature swings; the M29W800FT70ZA3SF's -40 C to +125 C rating covers these environments. Parallel NOR remains the default boot medium where code must execute immediately from reset without a serial-boot intermediary. The 2.7 V to 3.6 V operating window tolerates supply sag during crank or load-dump-adjacent transients better than tighter-spec devices, and the 70 ns access supports the moderate fetch rates of typical transportation MCUs and gateway processors.
Recommended
Test and Measurement Instrumentation
Bench instruments, data loggers, and portable testers store calibration constants, FPGA configuration images, and instrument firmware in NOR Flash. The M29W800FT70ZA3SF's block architecture separates protected calibration data from re-writable firmware, and its parallel interface supports direct CPU boot in instruments built around mature 16-bit bus architectures. The 70 ns access time keeps boot and menu-response latency low, while the TFBGA package withstands the vibration and thermal cycling typical of portable field equipment better than fine-pitch leaded packages.
Recommended
Recommended Products Summary
Engineering reference data for M29W800FT70ZA3SF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M29W800FB70ZA3SF | M29W800FT70ZA6SF | M29W800FT70ZS3F |
|---|---|---|---|---|
| Package | 48-TFBGA (6 x 8 mm) | 48-TFBGA (6 x 8 mm) - same | 48-TFBGA (6 x 8 mm) - same | 48-TFBGA (6 x 8 mm) - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 8 Mbit | 8 Mbit | 8 Mbit | 8 Mbit |
| 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 |
| Boot Block Position | Top boot block (FT) | Bottom boot block (FB) | Top boot block (FT) | Top boot block (FT) |
| Operating Temperature | -40C to +125C | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Drop-in Compatibility | Reference (48-TFBGA, parallel 8 Mbit) | Yes - verify boot block mapping | Yes - verify grade suffix | Yes - verify packaging suffix |
Key Differentiators
- Top boot block placement for top-of-memory reset vectors (vs M29W800FB70ZA3SF)
- Extended -40 C to +125 C temperature rating (vs Commercial-grade 0 C to 70 C NOR Flash)
- 70 ns asynchronous parallel access (vs MT25QL128 Quad SPI Flash)
Design Notes
Supply the M29W800FT70ZA3SF from a regulated 3.3 V rail within the 2.7 V to 3.6 V window. Decouple VCC with at least a 0.1 uF ceramic capacitor placed within a few millimeters of the TFBGA power balls, plus one bulk 4.7 uF to 10 uF capacitor per device. Program and erase operations draw current pulses on VCC, so adequate local decoupling prevents brown-out of neighboring logic during block erase.
The 48-TFBGA (6 x 8 mm, 0.80 mm pitch) requires a standard BGA land pattern with via-in-pad or dog-bone fanout on address and data lines. Keep the parallel address/data bus traces length-matched within reason for a 70 ns asynchronous interface - excessive skew is generally tolerable below 50 MHz bus rates, but stubs should be minimized. Confirm the ball map against the Micron M29W800 family datasheet before routing, since the FB and FT variants differ in code placement, not ballout.
Do not confuse FT (top boot block) with FB (bottom boot block) when ordering - code linked against the wrong block map will fail to boot even though the device is otherwise identical. Also verify suffix codes: temperature grade, package, and packaging (tray vs TR reel) are encoded in the ordering part number. When replacing a legacy ST M29W800 part, confirm the -7 speed grade (70 ns) matches the timing assumptions in your bus controller configuration.
Compliance Information
Compliance status not stated in the provided web data; consult the Micron product page and material declarations for the M29W800FT70ZA3SF.
