M29F160FB55N3E2 - 16Mbit 55ns 5V NOR Flash | Micron
MPN: M29F160FB55N3E2 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.64 | $3.64 |
| 10 | $3.42 | $34.20 |
| 100 | $3.18 | $318.00 |
| 500 | $2.95 | $1,475.00 |
| 1,000 | $2.72 | $2,720.00 |
Drop-in alternatives for M29F160FB55N3E2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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M29F160FB55N3F2
β Drop-Inβ In Stock
$5.6 / Unit
View Datasheet βM29F160FB5AN6F2
β Drop-Inπ Reference alternative (not in catalog)
M29F160FB5AN6E2
β Drop-Inπ Reference alternative (not in catalog)
M29F160FT5AN6E2
β Drop-Inπ Reference alternative (not in catalog)
M29F160FT55N3F2
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$4.9 / Unit
View Datasheet βM29F160FB55N3E2 Maximum Ratings & Electrical Characteristics
| Memory Type | NOR Flash - Parallel, Asynchronous |
| Density | 16777 kbits (16 Mbit) |
| Organization | 1 M x 16 / 2 M x 8 |
| Number of Words | 1000 k |
| Bits per Word | 16 bits |
| Access Time | 55 ns |
| Supply Voltage (VCC) | 5 V |
| Interface | Parallel |
| Boot Block | Bottom Boot Block (FB) |
| Programming Algorithm | Embedded byte/word program and erase controller |
| Operating Temperature | -40 C to +125 C |
| Package | 48-TSOP I |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | ROHS3 Compliant |
| Lead Free Status | Lead Free |
M29F160FB55N3E2 48-tsop i Pin Configuration Guide
Complete pinout information for M29F160FB55N3E2 (48-tsop i 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 M29F160FB55N3E2.
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
M29F160FB55N3E2 is suitable for 6 applications: Industrial PLC Firmware Storage, Telecom and Networking Line Cards, Automotive Body and Comfort Modules, Legacy 5V Microprocessor Systems, Set-Top Box and Consumer Electronics Boot ROM, Test and Measurement Instrument Code Storage.
Industrial PLC Firmware Storage
Programmable logic controllers and industrial control modules store boot code and application firmware in parallel NOR Flash because code must be executed in place with deterministic random access. The M29F160FB55N3E2 fits this role with its 55 ns access time, which permits zero-wait-state instruction fetch from legacy 16-bit industrial processors, and its single 5 V supply, which matches the 5 V bus architecture common on legacy PLC backplanes. The -40 C to +125 C operating range covers unconditioned factory-floor cabinets and outdoor panels, while the bottom boot block lets the critical boot sector be hardware-protected against accidental erase during field firmware updates. The embedded program/erase controller simplifies in-field firmware update routines since the host CPU only issues bus commands and polls status, without managing erase timings externally.
Recommended
Telecom and Networking Line Cards
Telecom line cards, DSL modems, and network processors historically boot from 5 V parallel NOR Flash mounted close to the CPU. The M29F160FB55N3E2 provides 16 Mbit of boot and configuration code storage with a 55 ns access time suitable for direct processor local-bus connection. Its asynchronous interface needs no clock, eliminating timing-domain complexity, and the 48-TSOP I package reflows onto standard line-card PCBs. The embedded program/erase controller enables remote firmware upgrades over the network: the host writes new images to non-boot blocks and swaps pointers after verification. The 125 C rating supports enclosed outdoor telecom cabinets with high ambient temperatures, and the ROHS3-compliant E2 finish keeps designs compliant for European telecom deployments.
Recommended
Automotive Body and Comfort Modules
Body control modules, instrument clusters, and comfort ECUs operating up to 125 C ambient can use the M29F160FB55N3E2 to store calibration tables, boot code, and diagnostic logs. The -40 C to +125 C operating range matches the automotive passenger-compartment and near-engine temperature envelope. The 5 V supply interfaces directly with classic 5 V automotive microcontrollers without level shifting, and the bottom boot block protects the bootloader sector from corruption during reprogramming at the assembly plant or service center. The 55 ns access time supports code execution in place from the ECU's 16-bit bus. Note that formal automotive programs should confirm AEC-Q100 qualification status with Micron for the exact orderable code before design win.
Recommended
Legacy 5V Microprocessor Systems
Embedded systems built around 5 V 16-bit microprocessors (80186-class, 68k-family, and similar) require code storage that connects directly to the 5 V parallel bus without transceivers. The M29F160FB55N3E2 drops onto such buses natively: its 5 V VCC and I/O thresholds align with the processor, the BYTE# pin selects x8 or x16 bus width to match the CPU data path, and the 55 ns access time supports fast bus timing. Compared with UV-erasable EPROMs it replaces, the device offers in-system electrical erasure and programming, cutting update time from minutes of UV exposure to seconds of bus writes. Designers should map wait states to the 55 ns access specification and add bus hold resistors on high-impedance data lines during program/erase operations.
Recommended
Set-Top Box and Consumer Electronics Boot ROM
Set-top boxes, DVD players, and consumer appliances of the 5 V generation boot their system firmware from parallel NOR Flash. The M29F160FB55N3E2 stores the bootloader and core firmware with 55 ns random access for fast power-on initialization, while bulk application data can live in cheaper storage tiers. The bottom boot block isolates the immutable boot sector, improving field-update reliability; application blocks are erased individually during OTA or serial-port upgrades. Tray packaging suits medium-volume contract manufacturing, and the ROHS3-compliant lead-free finish meets global consumer product regulations. The 125 C rating also provides margin inside sealed consumer enclosures where internal ambient can rise well above room temperature during sustained video decoding.
Recommended
Test and Measurement Instrument Code Storage
Bench instruments such as oscilloscopes, data loggers, and power supplies store firmware, calibration constants, and factory settings in NOR Flash. The M29F160FB55N3E2 is suited to the boot-code role: 16 Mbit capacity holds a full firmware image, 55 ns access supports quick boot and menu response, and the -40 C to +125 C range covers instruments used in unheated field enclosures as well as benches. The byte/word bus-width selection (BYTE#) lets one design span 8-bit and 16-bit controller platforms, and the hardware boot-block protection preserves the recovery bootloader if a firmware update is interrupted. In-system programming over the instrument's service port allows calibration updates without removing the device from the PCB.
Recommended
Recommended Products Summary
Engineering reference data for M29F160FB55N3E2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M29F160FB55N3F2 | M29F160FB5AN6F2 | M29F160FT5AN6E2 |
|---|---|---|---|---|
| Package | 48-TSOP I | 48-TSOP I - same | 48-TSOP I - same | 48-TSOP I - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 16 Mbit (16777 kbits) | 16 Mbit | 16 Mbit | 16 Mbit |
| Access Time | 55 ns | 55 ns | 55 ns | 55 ns |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V |
| Organization | 1 M x 16 / 2 M x 8 | 1 M x 16 / 2 M x 8 | 1 M x 16 / 2 M x 8 | 1 M x 16 / 2 M x 8 |
| Boot Block Location | Bottom (FB) | Bottom (FB) | Bottom (FB) | Top (FT) |
| Operating Temperature | -40 C to +125 C | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Interface | Parallel, Asynchronous | Parallel, Asynchronous | Parallel, Asynchronous | Parallel, Asynchronous |
| Package Compliance Suffix | E2 (RoHS lead-free) | F2 (RoHS lead-free) | F2 (RoHS lead-free) | E2 (RoHS lead-free) |
Key Differentiators
- Bottom boot block for standard reset-vector boot maps (vs M29F160FT55N3F2)
- E2 RoHS lead-free compliance code with identical silicon (vs M29F160FB55N3F2)
- Trade-off: 5 V-only I/O versus newer 3 V M29W family (vs M29W640GT70N3F)
Design Notes
Boot-block placement is the single most common substitution error in the M29F160 family. The FB (this part) puts the protected boot sector at the bottom of the address map (0x00000), while FT variants put it at the top. When substituting M29F160FT55N3F2 or M29F160FT5AN6E2 for the FB part, verify that the CPU reset vector and your linker script expect boot code at the new location. A mismatched boot sector produces a system that powers up but never executes code - easy to misdiagnose as a bad device.
This is a 5 V-only device. When interfacing with 3.3 V logic, do not assume compatibility from the datasheet's TTL-level VIH on some inputs; guaranteed margins must be met across temperature. Use 5 V-tolerant bus transceivers or level shifters on address, data, and control lines. Conversely, its 5 V output high level can damage 3.3 V-only inputs. During program/erase operations the DQ bus goes high-impedance except during polling - add pull-up/pull-down hold resistors if the host samples data lines asynchronously.
Decouple VCC with at least a 0.1 uF ceramic capacitor per power pin, placed within a few millimeters of the TSOP I pins, plus bulk capacitance near the device to support program/erase current pulses. Keep the address/data bus length matched to the CPU to meet the 55 ns access timing budget: estimated bus-flight-time allowance should be calculated from your trace lengths and propagation delay (about 150 ps per inch on FR-4) rather than assumed. Verify BYTE# is strapped firmly (not left floating) to select x8 or x16 mode before power-up.
Compliance Information
ROHS3 Compliant and Lead Free per IC-Components distributor compliance data; the E2 suffix is Micron's RoHS/lead-free package designator. REACH, halogen-free, and conflict-minerals status not stated in provided data.
