M29F160FB55N3F2 - 16Mbit 5V NOR Flash 55ns | Micron
MPN: M29F160FB55N3F2 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.8 | $78.00 |
| 100 | $6.95 | $695.00 |
| 500 | $6.2 | $3,100.00 |
| 1,000 | $5.6 | $5,600.00 |
Drop-in alternatives for M29F160FB55N3F2 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:
M29F160FB5AN6F2
β Drop-Inπ Reference alternative (not in catalog)
M29F160FT55N6F2
β Drop-Inπ Reference alternative (not in catalog)
M29F160FT5AN6F2
β Drop-Inπ Reference alternative (not in catalog)
M29F160FB5AN6S2
β Drop-Inπ Reference alternative (not in catalog)
M29W160EB70N3E
β Drop-Inβ In Stock
$1.76 / Unit
View Datasheet βM29W160ET70N3E
β Drop-Inβ In Stock
$4.5 / Unit
View Datasheet βM29F160FB55N3F2 Maximum Ratings & Electrical Characteristics
| Memory Type | Parallel NOR Flash |
| Density | 16777 kbits (16 Mbit) |
| Organization | 1 Mword x 16 bits / 2 Mbyte x 8 bits |
| Number of Words | 1000 k |
| Bits per Word | 16 bits |
| Access Time | 55 ns |
| Supply Voltage | 5 V |
| Boot Block Architecture | Bottom Boot Block |
| Operating Temperature | -40 to +125 C |
| Interface | Parallel |
| Package Type | 48-TSOP |
| Mounting Type | Surface Mount |
| Termination Finish | Lead-free (F2 suffix) |
| Program/Erase Controller | Embedded byte/word program algorithms |
| Block Protection | Hardware boot block protection |
| RoHS Status | Compliant (lead-free) |
| Speed Grade (from MPN) | 55 (55 ns) |
M29F160FB55N3F2 48-tsop Pin Configuration Guide
Complete pinout information for M29F160FB55N3F2 (48-tsop 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 M29F160FB55N3F2.
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
M29F160FB55N3F2 is suitable for 6 applications: Embedded Boot Code Storage, Industrial Control Systems, Telecom Line Cards, Networking Equipment, Set-Top Boxes and Consumer Electronics, Test and Measurement Instrumentation.
Embedded Boot Code Storage
The M29F160FB55N3F2's bottom boot block architecture places small protected blocks at address 000000h, exactly where classic embedded microprocessors fetch their reset vector. With 55 ns random access over a 16-bit parallel bus, the processor can execute-in-place directly from Flash without copying code to RAM at startup, reducing boot time and RAM requirements. The embedded program/erase controller lets field firmware updates run from a simple command interface with data-polling status, while hardware boot block protection prevents accidental corruption of the reset code during in-system reprogramming of application blocks.
Recommended
Industrial Control Systems
Industrial PLCs, motor controllers, and factory automation modules frequently use 5 V logic and must operate from -40 to +125 C near drives and power electronics. The M29F160FB55N3F2 matches these constraints with its single 5 V supply, industrial temperature range, and 16 Mbit capacity sufficient for control firmware plus configuration tables. Its parallel interface connects directly to 5 V microprocessor buses without level shifting, and the block-protected architecture preserves the integrity of calibration and boot data across power cycles, brownouts, and in-field firmware updates performed by maintenance technicians.
Recommended
Telecom Line Cards
Telecom racks historically standardized on 5 V backplanes and parallel-bus processors, making the M29F160FB55N3F2 a natural firmware store for line cards, T1/E1 handlers, and protocol converters. The 55 ns access time supports zero-wait-state execution from common telecom microprocessors, and 16 Mbit density holds protocol stacks plus downloadable configuration images. The RoHS-compliant lead-free F2 construction meets environmental directives for carrier equipment, while the -40 to +125 C rating covers unventilated central-office cabinets. Its in-place program/erase capability enables remote firmware upgrades over the management network without board removal.
Recommended
Networking Equipment
Routers, switches, and bridges based on legacy 5 V embedded processors use the M29F160FB55N3F2 to store boot loaders and network stack firmware. Random access at 55 ns over a 16-bit bus provides deterministic code fetch latency that packet-forwarding software depends on, and 2 Mbytes of capacity accommodates management code, tables, and dual firmware banks for safe roll-back during over-the-network upgrades. The embedded erase/program state machine performs sector updates while the CPU continues reading other blocks in many implementations, simplifying hot firmware-update procedures in carrier and enterprise networking hardware.
Recommended
Set-Top Boxes and Consumer Electronics
Set-top box and consumer platform designs from the parallel-NOR era used the M29F160FB55N3F2 to hold boot ROM and application code for MPEG decoders and 5 V microcontroller subsystems. The 16-bit-wide organization halves fetch cycles compared with byte-wide memories, improving effective code bandwidth to the decoder CPU, while the 55 ns access time avoids wait states on common consumer media processors. Hardware sector protection secures conditional-access boot code, and the lead-free F2 package satisfies global consumer RoHS requirements for mass-market distribution of these devices.
Recommended
Test and Measurement Instrumentation
Bench instruments such as oscilloscopes, data loggers, and signal generators need nonvolatile storage that survives power loss and supports in-field firmware upgrades. The M29F160FB55N3F2 provides 16 Mbit of boot and application storage with guaranteed -40 to +125 C operation for portable and rack instruments used in harsh environments. Its parallel 16-bit interface attaches directly to legacy 5 V instrument processors at 55 ns access, and the block-protection scheme isolates the bootloader from measurement-firmware partitions, so a failed update can always roll back to protected factory code through the standard command interface.
Recommended
Recommended Products Summary
Engineering reference data for M29F160FB55N3F2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M29F160FB5AN6F2 | M29F160FT55N6F2 | M29F160FT5AN6F2 | M29W160EB70N3E |
|---|---|---|---|---|---|
| Package | 48-TSOP | 48-TSOP - same | 48-TSOP - same | 48-TSOP - same | 48-TSOP - same |
| Brand | Micron Technology | Micron Technology | Micron/Numonyx | Micron Technology | Micron Technology |
| Density | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 3 V |
| Access Time | 55 ns | 60 ns class | 55 ns | 60 ns class | 70 ns |
| Boot Block Location | Bottom | Bottom | Top | Top | Bottom |
| Operating Temperature | -40 to +125 C | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Lifecycle Status | Obsolete (remaining stock) | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Bottom boot block for reset-vector code (vs M29F160FT55N6F2)
- Fastest speed grade in family (vs M29F160FB5AN6F2)
- Single 5 V supply compatibility (vs M29W160EB70N3E)
- Industrial temperature range (vs M29F160FB5AN6S2)
Design Notes
The M29F160FB55N3F2 operates from a single 5 V supply for both read and program/erase. During program and erase operations, supply current rises well above the read-mode level, so size the 5 V rail and decoupling network (typically 0.1 uF ceramic per device plus bulk capacitance per bank) for worst-case write current, not read current. Do not connect this device to a 3.3 V bus without level shifting - the M29W160 series is the correct 3 V family member.
Boot block location is the most common substitution error: the FB (bottom boot) and FT (top boot) variants are pin-compatible but map small blocks to opposite ends of the address space. Swapping them silently misplaces reset-vector code. Before substituting M29F160FT55N6F2, confirm your processor's reset vector address and, if necessary, adjust the linker script. Also verify the speed grade: AN6 parts are 60 ns class versus 55 ns for this part, which matters for zero-wait-state bus timings.
For the 48-TSOP package, route the 16-bit data bus with roughly matched lengths where the processor runs above ~50 MHz equivalent bus rates, and place the 0.1 uF decoupling capacitor within 2-3 mm of the VCC pins. The TSOP fine pitch (0.5 mm) requires careful solder-paste stencil design to avoid bridging; follow IPC-recommended TSOP land patterns and inspect with X-ray or AOI for hidden voids under the lead rows.
Because the part is obsolete, purchase only from distributors who can provide date-code traceability and authenticity verification; TSOP Flash is a common counterfeit target. For new designs, plan migration to a modern 3 V SPI NOR (for example the N25Q/M25P series) and budget firmware rework for the different command interface.
Compliance Information
F2 suffix designates Micron lead-free packaging. RoHS compliance inferred from the F2 lead-free ordering code; REACH, halogen-free, and conflict-minerals status not stated in provided data.
