SST25VF010A-33-4I-SAE-T - 1Mbit SPI Flash 33MHz 2.7-3.6V | Microchip
N.º da peça: SST25VF010A-33-4I-SAE-T ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0.92 | $0,92 |
| 10 | $0.84 | $8,40 |
| 100 | $0.71 | $71,00 |
| 500 | $0.58 | $290,00 |
| 1.000 | $0.49 | $490,00 |
SST25VF010A-33-4I-SAE-T Visão geral
What is a serial NOR Flash? A NOR Flash memory is a non-volatile storage class that retains data without power and supports random byte-level read access. The SPI (Serial Peripheral Interface) variant uses a 4-wire bus (SCK, CS#, SI, SO) to drastically reduce pin count versus parallel NOR. Within the memory hierarchy, NOR Flash sits below SRAM/DRAM but offers random-access reads, in-place execute-in-place (XIP) capability, and higher reliability than NAND Flash, making it the preferred boot/code-storage medium for embedded systems, IoT endpoints, and FPGA configuration images.
Key features include 33 MHz maximum SPI clock (also specified as 80 MHz in high-speed mode per the SST25VF010A datasheet), 4 KB sector erase granularity, 32 KB and 64 KB block erase support, single 2.7-3.6V read/write operation, JEDEC manufacturer and device ID, and a write-protect pin (WP#) plus HOLD# pin for multi-master SPI bus sharing. The device supports more than 100,000 erase/write cycles per sector and a minimum 100-year data retention.
The SST25VF010A is built on Microchip's proprietary SuperFlash split-gate cell technology with a thick-oxide tunneling injector. This split-gate architecture delivers superior reliability and manufacturability over conventional floating-gate or ETOX cells, lower programming current, and faster sector erase times. The industrial temperature grade (-40C to +85C) on this -4I variant makes it suitable for harsh-environment deployments.
Typical applications include firmware storage for 8/16/32-bit microcontrollers, FPGA configuration memory (e.g., Xilinx Spartan, Lattice iCE40 boot images), digital signage and display controllers, industrial sensor data loggers, smart-meter non-volatile parameter storage, and consumer electronics such as set-top boxes, Wi-Fi modules, and BLE peripherals that need a small-footprint boot ROM.
When designing with this part, observe the datasheet's recommended 4.7 uF or larger bulk VCC decoupling close to the IC, keep SPI trace lengths under ~150 mm to preserve signal integrity at 33 MHz, and use the WP# and HOLD# pins to enable bus sharing and protection. Always sequence CS# high between commands and verify the in-progress status bit before issuing the next write operation to prevent timing-violation corruption.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para SST25VF010A-33-4I-SAE-T — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com SST25VF010A-33-4I-SAE-T (mesmo formato e footprint) — diferindo em Data Retention, MSL Level, Memory Type, Sector Size.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
SST25VF010B-33-4I-SAE
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
SST25VF010A-33-4I-SAE
✓ Em estoque
$0.55 / unidade
Ver ficha técnica →SST25VF020A-33-4I-SAE
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
W25Q10DVSSIG
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MX25L1006EM1I-12G
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
AT25SF081B-SHB-T
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
SST25VF010A-33-4I-SAE-T Classificações máximas e características elétricas
| Tipo de memória | Non-volatile NOR Flash |
| Tamanho da memória | 1 Mbit (128K x 8) |
| Interface | SPI (Mode 0 and Mode 3) |
| Frequência máxima de clock | 33 MHz (up to 80 MHz in high-speed mode per datasheet) |
| Supply Voltage (VCC) | 2.7 V to 3.6 V |
| Active Read Current | 10 mA (typical at 33 MHz) |
| Standby Current | 8 uA (typical) |
| Program/Erase Cycles | >= 100,000 per sector |
| Data Retention | >= 100 years |
| Sector Size | 4 KB uniform sectors |
| Block Erase Sizes | 32 KB and 64 KB |
| Access Time | 12 ns |
| Faixa de temperatura de operação | -40C to +85C (Industrial -4I grade) |
| Encapsulamento | 8-SOIC (SAE, 0.150") |
| Tipo de montagem | Surface Mount |
| Nível MSL | 1 |
| Lead-Free / RoHS | Lead-Free / RoHS Compliant |
| Technology | SuperFlash split-gate cell with thick-oxide tunneling injector |
Configuração de pinos do SST25VF010A-33-4I-SAE-T
| Pino 1 | CS# — Chip Select (active low); enables SPI communication |
| Pino 2 | SO / SIO1 — Serial Output / Serial I/O 1 (MISO); data output from flash |
| Pino 3 | WP# — Write Protect (active low); hardware write protection for status register |
| Pino 4 | GND — Ground reference |
| Pino 5 | SI / SIO0 — Serial Input / Serial I/O 0 (MOSI); data input to flash |
| Pino 6 | SCK — Serial Clock; SPI clock input |
| Pino 7 | HOLD# / RESET# — Hold (active low) / Reset; pauses SPI communication or resets device |
| Pino 8 | VCC — Power supply input (2.7 V to 3.6 V) |
Aplicações típicas
SST25VF010A-33-4I-SAE-T é adequado para 6 aplicaçãos: Microcontroller Firmware Boot Storage, FPGA Configuration Memory, Industrial Sensor Data Logging, Smart Meter and Energy Monitoring, IoT Wi-Fi and BLE Module Firmware, Consumer Electronics and Display Controllers.
Microcontroller Firmware Boot Storage
The SST25VF010A-33-4I-SAE-T is purpose-built for storing 8/16/32-bit MCU bootloaders and application firmware where 128 KB is sufficient. Its 33 MHz SPI clock delivers sequential read throughput that comfortably matches the MCU instruction fetch rate of Cortex-M0/M3/M4 cores at 48-72 MHz, with 12 ns access time preventing wait-state insertion. The 4 KB uniform sector erase plus 32 KB and 64 KB block erase options allow flexible firmware update granularity, while the 100,000-cycle endurance per sector supports years of in-field OTA updates. The 2.7-3.6 V single supply connects directly to 3.3 V MCUs without level translation, and the industrial -40C to +85C temperature grade handles automotive and outdoor deployments. This part is widely used in STM32, MSP430, PIC, and ESP32 reference designs as the primary code-storage device.
Recomendado
FPGA Configuration Memory
The SST25VF010A-33-4I-SAE-T serves as a low-cost SPI configuration memory for small-to-medium FPGAs such as Lattice iCE40, Xilinx Spartan-6, and Intel MAX 10 in their passive-SPI mode. With 1 Mbit (128 KB) capacity, it accommodates bitstreams up to ~1 Mb uncompressed, which covers most Lattice iCE40 LP1K/CB132 and Xilinx Spartan-6 SLX4/9 designs. The 33 MHz SPI clock satisfies the FPGA's typical 33 MHz maximum configuration read frequency, and the 12 ns access time ensures reliable bitstream delivery during the configuration phase. The HOLD# pin allows the FPGA to suspend configuration if needed, and the WP# pin protects the bitstream from accidental writes during operation. Industrial temperature grade supports rugged deployment. This is one of the most cost-effective configuration memory choices for sub-$10 FPGA boards.
Recomendado
Industrial Sensor Data Logging
The SST25VF010A-33-4I-SAE-T is ideal for non-volatile parameter and event-log storage in industrial sensor modules including temperature, pressure, flow, and vibration sensors. Its 100,000-cycle erase/write endurance and 100-year data retention comfortably exceed the 10-15 year service life of typical industrial sensors, while the -40C to +85C industrial temperature range handles factory-floor, outdoor, and refrigerated-environment deployments. The 8 uA typical standby current is negligible compared to the sensor's own quiescent draw, making it suitable for battery-backed or energy-harvesting sensor nodes. With 128 KB organized as 32 sectors of 4 KB each, the device can store thousands of timestamped sensor readings in a circular-buffer application. Single 2.7-3.6 V supply interfaces directly to battery and 3.3 V regulator rails.
Recomendado
Smart Meter and Energy Monitoring
The SST25VF010A-33-4I-SAE-T provides tamper-resistant parameter storage for single-phase smart meters, sub-metering modules, and energy-harvesting IoT endpoints. Its WP# (write-protect) pin enables hardware enforcement of calibration-data read-only regions, while the HOLD# pin supports shared SPI bus arbitration when the meter also includes an AFE, RTC, or communications module. The 33 MHz SPI clock delivers fast readout of accumulated energy registers during display updates, and the 100-year retention exceeds the 20-30 year service life expected by utility customers. The industrial temperature grade ensures reliable operation across unheated meter enclosures in cold climates. Combined with low active read current (10 mA at 33 MHz) and 8 uA standby, the device contributes minimally to the meter's overall power budget.
Recomendado
IoT Wi-Fi and BLE Module Firmware
The SST25VF010A-33-4I-SAE-T serves as the host-MCU companion flash in Wi-Fi (ESP8266, ESP32, RTL8710) and BLE (nRF51822, nRF52832) modules that need additional non-volatile storage beyond the module's internal flash. Its 4-wire SPI interface is compatible with the HSPI/QSPI peripheral on many wireless SoCs in standard SPI mode, allowing easy bus arbitration. The 33 MHz clock and 12 ns access time ensure that stored Wi-Fi credentials, provisioning data, and OTA staging buffers can be read with minimal latency impact on radio performance. The HOLD# pin allows the host MCU to pause flash operations while servicing time-critical radio interrupts, and the WP# pin protects critical calibration parameters from corruption. The 8-SOIC (SAE, 0.150") package is the same form factor used by millions of consumer Wi-Fi modules, simplifying layout reuse.
Recomendado
Consumer Electronics and Display Controllers
The SST25VF010A-33-4I-SAE-T is widely deployed in consumer devices including set-top boxes, digital photo frames, e-readers, toy electronics, and small appliance controllers where 128 KB of non-volatile storage is sufficient for firmware and user settings. Its 4-wire SPI interface requires only 4 GPIO pins from the host MCU, leaving more pins available for user interfaces, sensors, and displays. The 33 MHz clock delivers smooth video frame-buffer refresh in small TFT display controllers, and the HOLD# pin enables the MCU to service other interrupts without corrupting read operations. The 8-SOIC (SAE, 0.150") package is one of the most widely understood jigs in consumer electronics manufacturing, simplifying assembly and rework. The lead-free / RoHS-compliant construction satisfies global consumer-product environmental requirements.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para SST25VF010A-33-4I-SAE-T — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | SST25VF010B-33-4I-SAE | SST25VF020A-33-4I-SAE | W25Q10DVSSIG | MX25L1006EM1I-12G | AT25SF081B-SHB-T |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Winbond | Macronix | Renesas (Adesto) |
| Package | 8-SOIC (SAE, 0.150") | 8-SOIC (SAE, 0.150") - same | 8-SOIC (SAE, 0.150") - same | 8-SOIC (150 mil) - same | 8-SOIC (150 mil) - same | 8-SOIC (150 mil) - same |
| Memory Size | 1 Mbit (128K x 8) | 1 Mbit (128K x 8) | 2 Mbit (256K x 8) | 1 Mbit (128K x 8) | 1 Mbit (128K x 8) | 8 Mbit (1M x 8) |
| Max SPI Clock | 33 MHz | 33 MHz | 33 MHz | 80 MHz | 50 MHz | 104 MHz |
| 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 | 2.7 V to 3.6 V | 2.5 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Erase/Write Endurance | >= 100,000 cycles/sector | >= 100,000 cycles/sector | >= 100,000 cycles/sector | >= 100,000 cycles/sector | >= 100,000 cycles/sector | >= 100,000 cycles/sector |
| Quad-SPI Support | No (standard SPI only) | No (standard SPI only) | No (standard SPI only) | Yes (Quad-SPI) | No (standard SPI only) | Yes (Quad-SPI) |
Principais diferenciais
- Industry-standard SPI pinout in JEDEC SO-8 footprint (vs W25Q10DVSSIG)
- Single 2.7-3.6 V supply for read and program operations (vs Legacy parallel NOR flash (e.g., AM29BV160))
- SuperFlash split-gate cell technology (vs AT25SF081B-SHB-T (Renesas/Adesto))
- Industrial temperature grade (-40C to +85C) standard (vs Commercial-grade SST29VF010A-33-4C-SAE)
Notas de projeto
Place a 4.7 uF to 10 uF bulk decoupling capacitor as close as possible to pin 8 (VCC) of the SST29FV010A-33-4I-SAE-T, with a 0.1 uF ceramic cap in parallel for high-frequency noise suppression. Keep SPI trace lengths under 150 mm and use a continuous ground plane beneath the SOIC-8 footprint. Match the SCK trace length to within 25 mm of the SO and SI traces to minimize skew at 33 MHz.
The SPI bus maximum reliable length at 33 MHz is approximately 150 mm on FR-4 with controlled impedance. For longer bus runs, add a 33 ohm series resistor near the MCU's SCK output to dampen ringing. Always route SCK, CS#, SI, and SO as a closely-coupled bus (trace-to-trace spacing <= 2x dielectric height) to maintain signal integrity. The HOLD# pin should be pulled up to VCC via 10 kohm if unused, to prevent accidental pause of SPI operations.
Always deassert CS# high between SPI commands and verify the BUSY bit in the status register (read via 0x05 command) is clear before issuing the next program or erase operation. Failing to check BUSY can corrupt subsequent writes. Estimated: page program time is approximately 1.5 ms per 256-byte page, and sector erase is approximately 25 ms per 4 KB sector per the SST29FV010A datasheet. Never exceed VCC = 3.6 V absolute maximum; transients above this will permanently damage the device.
Active read current is 10 mA typical at 33 MHz, but program and erase operations can draw up to 15-20 mA peak from VCC. Ensure the 3.3 V regulator has at least 50 mA of headroom beyond the MCU and other peripherals to support flash programming bursts. Standby current is 8 uA typical when CS# is deasserted; deep power-down mode (via 0xB9 command) reduces this further to approximately 1-2 uA, useful for battery-backed applications.
Route WP# and HOLD# pins to dedicated MCU GPIOs (or to VCC via 10 kohm pull-ups if unused) rather than leaving them floating. Floating WP# can randomly enter write-protect mode and lock the status register. The 8-SOIC (SAE, 0.150") land pattern is the JEDEC standard SO-8 footprint - the same land pattern used by thousands of other 8-SOIC devices, which simplifies layout review and BOM alternatives.
Informações de conformidade
RoHS and lead-free per Microchip product page and DigiKey listing. AEC-Q100 not applicable (not an automotive-qualified line); industrial -40C to +85C grade is provided but is not AEC-Q100 qualified.
