M29W160FB70N3E - 16Mb 3V Parallel NOR Flash 70ns | Micron
MPN: M29W160FB70N3E ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.45 | $4.45 |
| 10 | $4.23 | $42.30 |
| 100 | $4.01 | $401.00 |
| 500 | $3.79 | $1,895.00 |
| 1,000 | $3.58 | $3,580.00 |
Drop-in alternatives for M29W160FB70N3E — 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:
M29W160EB70N3E
✅ Drop-In✓ In Stock
$1.76 / Unit
View Datasheet →M29W160FB70N3F
✅ Drop-In📋 Reference alternative (not in catalog)
M29W160EB70N3F
✅ Drop-In✓ In Stock
$1.01 / Unit
View Datasheet →M29W160EB70N6E
✅ Drop-In📋 Reference alternative (not in catalog)
M29W800FT70ZA3SE
✅ Drop-In✓ In Stock
$1.38 / Unit
View Datasheet →M29W160FB70N3E Maximum Ratings & Electrical Characteristics
| Memory Type | FLASH - NOR |
| Memory Size | 16 Mbit (2M x8 / 1M x16) |
| Access Time | 70 ns |
| Interface | Parallel |
| Supply Voltage (VCC) | 3.0 V to 3.6 V |
| Programming Voltage | Single supply (no separate VPP required) |
| Bus Configuration | x8 / x16 selectable (BYTE# pin) |
| Architecture | Boot block |
| Package / Case | 48-TFSOP (0.724 in, 18.40 mm width) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Status Output | Data polling / toggle bit |
| Block Protection | Yes (boot block protection) |
M29W160FB70N3E 48-tfsop (0.724 in, 18.40 mm width) Pin Configuration Guide
Complete pinout information for M29W160FB70N3E (48-tfsop (0.724 in, 18.40 mm width) 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 M29W160FB70N3E.
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
M29W160FB70N3E is suitable for 6 applications: Set-Top Box Boot Memory, Networking and Telecom Equipment, Industrial Control Firmware Storage, Legacy Embedded Processor Boot ROM, Automotive Infotainment (Non-Safety) Modules, Test and Measurement Instrument Firmware.
Set-Top Box Boot Memory
Set-top boxes require nonvolatile boot code storage with fast random access, and the M29W160FB70N3E fits this role with its 70 ns parallel access time and boot block architecture. The processor fetches reset code directly from Flash (execute-in-place) over the x16 bus, so no shadow RAM copy step delays startup. Placed on the CPU's 3.3 V memory bus with CE#, OE#, and WE# control lines, the 3.0 V to 3.6 V supply range matches the standard system rail. The 16 Mbit density comfortably holds bootloader, firmware image, and parameters; the boot block protection prevents accidental corruption of startup code during firmware updates over the network.
Recommended
Networking and Telecom Equipment
Routers, switches, and telecom line cards use parallel NOR Flash as their boot and firmware memory, and the M29W160FB70N3E meets the need with a 70 ns access time suitable for zero-wait-state code fetch on many embedded CPUs. The 2M x8 / 1M x16 bus configurability lets the same design support both 8-bit legacy processors and 16-bit network processors via the BYTE# pin. Operating from the standard 3.3 V rail, the part coexists with DRAM and Ethernet PHYs without extra supplies. Block protection secures the bootloader while application firmware regions are field-updated, and the 16 Mbit capacity supports dual-image fail-safe update schemes common in remotely managed network hardware.
Recommended
Industrial Control Firmware Storage
Industrial PLCs, motor drives, and process controllers store their control firmware in NOR Flash, where the M29W160FB70N3E's 70 ns random access and boot block protection deliver deterministic startup. Industrial environments demand long product lifetimes and reliable nonvolatile storage across power interruptions; parallel NOR's high endurance and bit-level random access support both code execution and small configuration tables. The 3.0 V to 3.6 V single-supply operation simplifies power design in mixed 5 V/3.3 V industrial backplanes. For boards already qualified with the M29W160 family, the pin-compatible EB/FB variants allow supply-chain risk mitigation without hardware requalification.
Recommended
Legacy Embedded Processor Boot ROM
Many legacy microprocessor systems (PowerPC, ARM7/9, ColdFire) were architected around parallel NOR buses, and the M29W160FB70N3E serves as replacement boot memory for such platforms. Its 70 ns access time matches the timing assumptions of 1990s-2000s CPU memory controllers, and the standard M29W command set (data polling, toggle-bit status) is already supported by stock U-Boot and vendor bootloader drivers. The 48-TFSOP footprint is available on most existing PCBs, making repairs and spares straightforward. The BYTE# pin allows matching either 8-bit or 16-bit memory maps without board changes, ideal for maintaining discontinued industrial and medical equipment.
Recommended
Automotive Infotainment (Non-Safety) Modules
Non-safety automotive electronics such as infotainment head units and telematics boxes use parallel NOR for boot code, and the M29W160FB70N3E provides the required 16 Mbit capacity, 70 ns read performance, and 3.3 V single-supply operation. Boot code integrity is essential at cold crank and power-cycle events; the boot block protection keeps the reset vector immutable while larger blocks hold the application image updated via OTA mechanisms. Note that this standard-grade part should be verified against the specific automotive qualification level required by the platform; where AEC-Q100 is mandatory, confirm qualification status with Micron before design-in or use in non-safety regions only.
Recommended
Test and Measurement Instrument Firmware
Bench instruments such as oscilloscopes, spectrum analyzers, and data loggers store measurement firmware and calibration constants in NOR Flash. The M29W160FB70N3E offers 70 ns random access for fast instrument boot and a 16 Mbit array split between code and parameter storage. Calibration data benefits from the fine-grained block programming: only the small parameter block is rewritten during recalibration, preserving endurance on the code blocks. The 3.0 V to 3.6 V operation with data polling status keeps software drivers simple in instruments that remain powered for years, and the tray-packaged 48-TFSOP supports both automated assembly and manual rework on service lines.
Recommended
Recommended Products Summary
Engineering reference data for M29W160FB70N3E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M29W160EB70N3E | M29W160FB70N3F | M29W160EB70N3F | M29W800FT70ZA3SE |
|---|---|---|---|---|---|
| Package | 48-TFSOP (18.40 mm width) | 48-TFSOP (18.40 mm width) - same | 48-TFSOP (18.40 mm width) - same | 48-TFSOP (18.40 mm width) - same | 48-TSOP - same footprint |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Memory Size | 16 Mbit (2M x8 / 1M x16) | 16 Mbit (2M x8 / 1M x16) | 16 Mbit (2M x8 / 1M x16) | 16 Mbit (2M x8 / 1M x16) | 8 Mbit (1M x8 / 512K x16) |
| Access Time | 70 ns | 70 ns | 70 ns | 70 ns | 70 ns |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Block Architecture | Boot block (FB organization) | Boot block (EB organization) | Boot block (FB organization) | Boot block (EB organization) | Boot block (8 Mb FT organization) |
| Bus Configuration | x8 / x16 (BYTE# pin) | x8 / x16 (BYTE# pin) | x8 / x16 (BYTE# pin) | x8 / x16 (BYTE# pin) | x8 / x16 (BYTE# pin) |
| Unit Price (qty 1, as of 2026-09-04) | $4.45 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Confirmed same-package drop-in within family (vs M29W160EB70N3E)
- Latest family revision availability (vs M29W160FB70N3F)
- Double the density of the 8 Mbit family member (vs M29W800FT70ZA3SE)
Design Notes
Verify the boot-block map in firmware before swapping EB/FB variants. Although the M29W160EB and M29W160FB share the same 48-TFSOP footprint, pinout, and command set, the erase-block boundaries differ between the E and F boot-block organizations. Code that hard-codes absolute block addresses for firmware updates or parameter storage can corrupt data after a substitution. A build-time block map check (query CFI - Common Flash Interface - and validate expected block layout) prevents field failures when EB parts are used as FB substitutes.
Decouple VCC with a 0.1 uF ceramic capacitor placed within a few millimeters of the TSOP-48 supply pin, plus one bulk 4.7-10 uF capacitor per Flash device. Program and erase operations draw transient currents on the 3.3 V rail; inadequate decoupling shows up as data polling errors during bulk erase. Keep address and data bus trace lengths matched where the CPU runs above approximately 50 MHz to respect the 70 ns access timing window, and add series termination (22-33 ohm) on high-going address lines to control reflections.
The M29W160FB operates from a single 3.0 V to 3.6 V supply for read, program, and erase - no separate VPP is required. Estimated: while read current is in the low tens of milliamps range, program and erase operations draw substantially more peak current; size the 3.3 V rail regulator headroom accordingly when erasing blocks while the CPU is executing from the same device (suspend/resume features may be required). Consult the manufacturer datasheet ICC tables for exact figures before finalizing the power budget.
Compliance Information
N3E suffix corresponds to RoHS-compliant, lead-free packaging per distributor listings (DigiKey, LCSC). REACH, halogen-free, and conflict minerals status not stated in provided data - request compliance documents via RFQ.
