MT25QL01GBBB1EW9-0SIT - 1Gb SPI NOR Flash 133MHz | Micron
MPN: MT25QL01GBBB1EW9-0SIT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.55 | $65.50 |
| 100 | $5.9 | $590.00 |
| 500 | $5.35 | $2,675.00 |
| 1,000 | $4.8 | $4,800.00 |
MT25QL01GBBB1EW9-0SIT Overview
Serial NOR flash is a nonvolatile memory category that stores code and data while allowing byte-level random access over a simple serial bus. In the system hierarchy, it sits under nonvolatile semiconductor memory, alongside parallel NOR and NAND flash, and is typically the boot device for processors, microcontrollers, and FPGAs. The SPI (Serial Peripheral Interface) bus with multiple I/O options reduces pin count and PCB footprint versus parallel NOR while maintaining fast code-execution performance.
Key features of the MT25Q family include quad I/O (QSPI) operation at up to 133 MHz, which yields a peak transfer rate well above legacy single-lane SPI devices, plus 4 KB, 32 KB, and 64 KB sector erase granularity for efficient in-field firmware updates. The 1 Gbit density supports large feature-rich code images, and the 8x6 WDFN with exposed pad keeps the footprint small while providing good thermal and ground performance.
The device operates from a 2.7 V to 3.6 V supply (nominal 3 V) and requires 4-byte addressing to access the full 128 MB address space, an important firmware consideration versus 3-byte-addressing lower-density parts. Standard SPI commands, dual/quad output reads, and eXecute-In-Place style fast reads make it suitable for direct code shadowing and XIP operation.
Typical applications include FPGA configuration storage (Xilinx, Intel/Altera), MCU code and parameter storage, networking line-card firmware, and industrial HMI or instrumentation data logging where high density and nonvolatile reliability matter.
Design consideration: verify that your host controller supports 4-byte addressing and that the JEDEC ID read is used at boot, since serial NOR devices from different vendors respond with different JEDEC IDs and register maps.
This page synthesizes distributor pricing, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for MT25QL01GBBB1EW9-0SIT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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Request AlternativesMT25QL01GBBB1EW9-0SIT Specifications
| Memory Type | Serial NOR Flash |
| Density | 1 Gbit (128 MB) |
| Interface | SPI - Multi I/O (x1/x2/x4) |
| Maximum Clock Frequency | 133 MHz |
| Supply Voltage | 2.7 V to 3.6 V (nominal 3 V) |
| Erase Granularity | 4 KB / 32 KB / 64 KB sector erase |
| Addressing | 4-byte addressing required (128 MB space) |
| Organization | 1024M x1 / 512M x2 / 256M x4 |
| Operating Temperature | -40C to +85C |
| Package | 8-WPDFN (8x6 mm, MLP8) exposed pad |
| Mounting Type | Surface Mount |
| FBGA Code | RW256 |
| Access Time | 6 ns (clocked read) |
| Product Longevity Program | No |
| Automotive Qualification | Not automotive grade (industrial temp) |
| Marking Code | RW256 |
MT25QL01GBBB1EW9-0SIT Pin Configuration
| Pin 1 | S# — Chip select (active low) |
| Pin 2 | DQ1 — Serial output (SO) |
| Pin 3 | WP#/DQ2 — Write protect / quad data I/O 2 |
| Pin 4 | VSS — Ground |
| Pin 5 | DQ0 — Serial input (SI) |
| Pin 6 | SCLK — Serial clock |
| Pin 7 | RESET#/HOLD#/DQ3 — Reset or hold (quad data I/O 3) |
| Pin 8 | VCC — Power supply (2.7 V to 3.6 V) |
Typical Applications
MT25QL01GBBB1EW9-0SIT is suitable for 6 applications: FPGA Configuration Storage, MCU Code and Data Storage, Networking and Telecom Line Cards, Industrial HMI and Instrumentation, Consumer and IoT Devices, Test and Measurement Equipment.
FPGA Configuration Storage
The MT25QL01GBBB1EW9-0SIT is a strong fit for FPGA configuration storage because its 1 Gbit (128 MB) capacity easily holds multiple large bitstreams, and its 133 MHz quad I/O interface delivers the fast read throughput required to minimize configuration time. High-end FPGAs in Xilinx and Intel families frequently boot from multi-gigabit QSPI NOR devices, and the MT25Q family is listed in several FPGA vendor supported-flash lists. In this role the flash operates in x4 quad read mode during configuration; the FPGA loader issues JEDEC ID reads and must support 4-byte addressing for the full 128 MB space. The 8x6 W-PDFN package with exposed pad keeps the footprint small on dense boards. Performance consideration: verify your FPGA's configuration controller supports 4-byte addressing and MT25Q command timing before committing the layout.
Recommended
MCU Code and Data Storage
For microcontroller-based systems needing more code space than on-chip flash provides, the MT25QL01GBBB1EW9-0SIT offers 128 MB of external nonvolatile storage over just four signal wires (S#, SCLK, DQ0, DQ1 plus DQ2/DQ3 in quad mode). Its 133 MHz quad reads enable near-XIP code execution with a cached MCU, and the 4 KB sector erase granularity allows fine-grained firmware update partitions and parameter storage without large erase overhead. Compared with lower-density SPI NOR, the 1 Gbit capacity supports Linux-class bootloaders, GUI assets, and OTA update staging areas. The 2.7-3.6 V supply matches common 3.3 V MCU rails directly. Design consideration: implement 4-byte addressing in the driver and reserve the dual-bank/OTA partition map at firmware design time.
Recommended
Networking and Telecom Line Cards
Networking equipment stores firmware, MAC tables, and configuration images in high-density serial NOR, and the MT25QL01GBBB1EW9-0SIT fits this role with 1 Gbit capacity and 133 MHz quad I/O throughput. Its industrial -40C to +85C temperature range suits telecom equipment rooms and outdoor cabinets, while the 8x6 W-PDFN package conserves board area on line cards populated with many components. The 4 KB sector granularity supports granular logging and configuration storage alongside the main firmware image. Performance consideration: in quad mode the device sustains read bandwidth sufficient for fast boot of switch and router control-plane processors, but erase latencies of large sectors should be scheduled off the data path to avoid latency spikes.
Recommended
Industrial HMI and Instrumentation
Industrial human-machine interfaces, data loggers, and test instruments accumulate fonts, graphics assets, calibration constants, and logged data that exceed internal MCU flash, making the MT25QL01GBBB1EW9-0SIT's 128 MB capacity a practical choice. The -40C to +85C operating range covers factory floor and cold-storage environments, and the 3 V SPI interface connects directly to standard industrial microcontrollers. Its 4 KB subsector erase permits frequent small-record updates without erasing the whole device, improving wear distribution across the NOR array. Performance consideration: NOR endurance and program/erase latency are suited to firmware and moderate-rate logging; for high-rate data streaming, pair this NOR for boot/asset storage with a separate NAND or FRAM data device.
Recommended
Consumer and IoT Devices
Smart-home hubs, wireless speaker modules, and camera-class IoT products require megabytes of firmware, OTA staging, and asset storage in minimal board space, which the MT25QL01GBBB1EW9-0SIT delivers in an 8x6 mm W-PDFN footprint. The 133 MHz quad I/O interface shortens boot time for Linux-based IoT gateways, and the industry-standard SPI command set is supported by every major MCU and wireless SoC vendor's flash driver stack. At 2.7-3.6 V it runs directly from common 3.3 V rails. Performance consideration: IoT products performing frequent OTA updates should implement dual-image partitions with power-fail-safe commit logic, exploiting the 4 KB sector erase to update only changed blocks and minimize update window time.
Recommended
Test and Measurement Equipment
Oscilloscopes, logic analyzers, and signal generators store large FPGA configuration images, calibration tables, and instrument firmware, and the MT25QL01GBBB1EW9-0SIT's combination of 1 Gbit density and 133 MHz quad reads addresses all three. Fast configuration reads reduce instrument power-on time, an important user-experience metric for bench instruments. The exposed-pad W-PDFN package provides solid ground bounce performance when the flash is read at full clock rate alongside switching FPGA logic. Its JEDEC-standard SFDP parameter table lets instrument firmware auto-detect timing parameters. Performance consideration: schedule calibration-table writes away from waveform-capture read traffic, since program/erase operations stall reads on single-die SPI NOR devices.
Recommended
Recommended Products Summary
Engineering reference data for MT25QL01GBBB1EW9-0SIT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | 8-WPDFN (8x6 mm, MLP8) |
| Brand | Micron Technology |
| Density | 1 Gbit (128 MB) |
| Max Clock Frequency | 133 MHz |
| Supply Voltage | 2.7 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| I/O Width | x1/x2/x4 |
| Addressing | 4-byte (128 MB) |
Key Differentiators
- 1 Gbit density in a compact 8-pin footprint (vs MT25QL128ABB1EW7-CSIT)
- Space-saving W-PDFN vs SOIC (vs MT25QL01GBBB8ESF-0SIT)
- 133 MHz quad I/O throughput (vs Legacy 104 MHz SPI NOR)
Design Notes
At 133 MHz, treat the four SPI data lines (DQ0-DQ3) as moderately fast signals: keep traces short (under 10 cm where possible), route as a group with matched lengths, and provide a solid ground return under the clock. The exposed pad of the 8x6 W-PDFN must be soldered to a ground pad array on the PCB - it is both the thermal and the primary ground path. Avoid routing the SCLK line under or near switching regulators to prevent clock jitter on reads.
The most common integration failure with this 1 Gbit part is 3-byte addressing firmware: 128 MB exceeds the 16 MB 3-byte space, so boot code MUST enable 4-byte addressing (or use 4-byte instruction equivalents) before accessing upper sectors. Additionally, WP#/DQ2 and RESET#/HOLD#/DQ3 are multifunction pins - during quad operation they are data lines, so external pull-ups on HOLD#/RESET# must be sized to avoid loading quad reads. Always read the JEDEC ID at boot to confirm the mounted device before applying MT25Q-specific command timing.
Decouple VCC with a 100 nF ceramic capacitor placed within 2 mm of pin 8 plus a 4.7-10 uF bulk capacitor nearby. Peak program/erase currents are modest for NOR but occur in bursts; adequate bulk capacitance prevents VCC droop during sector erase. Ensure the 2.7-3.6 V supply rail does not exceed 3.6 V absolute maximum - a poorly regulated 3.3 V rail with transients can approach the limit.
Compliance Information
Standard Micron industrial-grade serial NOR; 'IT' grade is -40C to +85C industrial temperature. Product Longevity Program: No per Micron listing. AEC-Q100 automotive qualification not indicated for this suffix.
