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Winbond Electronics Corporation W25Q32JVTCIM
- Part No.:
- W25Q32JVTCIM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25Q32JVTCIM.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,626
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Product details
Overview
W25Q32JVTCIM from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Standard/Dual/Quad SPI, QPI, and DTR read modes. It operates from 2.7V to 3.6V, delivers up to 133MHz SPI clock rate (532MHz equivalent in Quad I/O), features uniform 4KB sectors, 100K program-erase cycles per sector, and supports execute-in-place (XIP) for code storage in embedded microcontrollers.
For engineers reviewing the W25Q32JVTCIM datasheet, W25Q32JVTCIM pinout, W25Q32JVTCIM application, or W25Q32JVTCIM equivalent, key selection criteria include its dual/quad I/O timing compliance, hardware write protection via /WP and /HOLD pins, 64-bit unique ID, SFDP register support, and compatibility with space-constrained industrial and automotive boot memory designs.
Technical Context
The W25Q32JVTCIM implements a flexible SPI-compatible interface with mode-selectable operation: Standard SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), and QPI (all four IOs as bidirectional). Its internal architecture includes a 256-byte page buffer, 1,024 erasable 4KB sectors, and three 256-byte security registers with OTP locks.
It supports volatile and non-volatile status register configuration including Quad Enable (QE), Block Protect (BP2–BP0), Top/Bottom protect (TB), and Erase/Program Suspend/Resume. The /RESET pin is dedicated in the 16-pin SOIC package but shared with /HOLD on 8-pin variants depending on QE bit state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) organized as 16,384 × 256-byte pages |
| Supply Voltage | 2.7 V to 3.6 V - enables direct integration with 3.3 V logic systems without level-shifting |
| Max Clock Frequency | 133 MHz SPI - supports 532 MB/s effective throughput in Quad I/O DTR mode |
| Erase Granularity | 4 KB sectors, 32 KB blocks, 64 KB blocks - allows fine-grained firmware partitioning and OTA update safety |
| Endurance & Retention | 100,000 program-erase cycles per sector; >20 years data retention at +85°C |
| Interface Modes | Standard/Dual/Quad SPI, QPI, and DTR - ensures backward compatibility and high-speed XIP capability |
| Security Features | 64-bit unique ID, SFDP register, three 256-byte OTP-lockable security registers |
Pinout & Package
W25Q32JVTCIM is supplied in an 8-pin SOIC 208-mil package (package code SS), with pin 1 = /CS, pin 2 = DO (IO1), pin 3 = /WP (IO2), pin 4 = GND, pin 5 = DI (IO0), pin 6 = CLK, pin 7 = /HOLD or /RESET (IO3), pin 8 = VCC. Pin 7 functions as /HOLD in Standard/Dual SPI mode; when Quad Enable (QE) is set, it becomes IO3 and /HOLD is disabled.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable: places DO in high-impedance state when deasserted; required to transition high→low after power-up before instruction acceptance |
| DO / IO1 (Pin 2) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional data lane in Dual/Quad SPI/QPI; requires QE=1 for Quad use |
| /WP / IO2 (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware lock for status register writes; disabled as /WP and repurposed as IO2 when QE=1 |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance for stable timing and noise immunity |
| DI / IO0 (Pin 5) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional data lane in Dual/Quad SPI/QPI; always active as IO0 regardless of QE |
| CLK (Pin 6) | Serial Clock Input | Synchronizes all SPI/QPI transfers; supports Mode 0 and Mode 3; max 133 MHz frequency defines system bandwidth ceiling |
| /HOLD or /RESET (Pin 7) | Hold or Reset Input / Bidirectional I/O | Pauses ongoing transfers when asserted low; becomes IO3 in Quad mode (QE=1); not available as /HOLD in that configuration |
| VCC (Pin 8) | Power Supply | 2.7–3.6 V supply; powers internal high-voltage generators for erase/program; <1 µA typical standby current |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables true XIP with only 8 clocks overhead to address memory - reduces latency for real-time code execution |
| DTR (Double Transfer Rate) | Doubles data rate per clock edge in Fast Read instructions - achieves 66 MB/s sustained throughput without increasing clock frequency |
| Flexible Erase Architecture | Uniform 4KB sectors + 32KB/64KB blocks - supports modular firmware updates and parameter storage without full-chip erase |
| Hardware Write Protection | /WP and /HOLD pins plus configurable BP/TB/SEC bits - provides layered defense against accidental or malicious reprogramming |
| Security Register Set | Three 256-byte OTP-lockable registers - enables secure key storage, calibration data, or device-specific credentials with irreversible write protection |
Applications
| Boot Code Storage | Firmware Over-the-Air (OTA) |
|---|---|
Use Scenario: Storing primary bootloader and application firmware for ARM Cortex-M or RISC-V microcontrollers during cold start. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP-capable Quad SPI interface enabling zero-latency instruction fetch directly from flash. Use Value: Eliminates need for external RAM loading; reduces BOM count and boot time by leveraging 133 MHz Quad I/O and Continuous Read mode. | Use Scenario: Hosting field-upgradable firmware images in connected IoT gateways and industrial PLCs. IC Role / Device Role / Timing Role: Secure, partitioned storage for multiple firmware versions using 4KB sector granularity and individual block lock/unlock commands. Use Value: Enables atomic firmware swaps with rollback capability; 100K endurance ensures >10 years of daily updates under typical deployment conditions. |
| Parameter & Calibration Data | Secure Key Storage |
Use Scenario: Retaining sensor calibration coefficients, motor tuning parameters, and user preferences across power cycles in medical devices. IC Role / Device Role / Timing Role: Low-power, byte-addressable non-volatile storage with hardware write protection to prevent corruption during brown-out events. Use Value: Guarantees data integrity via /WP pin assertion and volatile/non-volatile BP bits - no software intervention required for critical parameter lockdown. | Use Scenario: Storing cryptographic keys, device identity tokens, and secure boot certificates in automotive telematics units. IC Role / Device Role / Timing Role: Tamper-resistant storage using three OTP-lockable 256-byte security registers and 64-bit unique serial number. Use Value: Provides hardware-enforced key isolation; OTP locking prevents post-production modification - meets ISO 21434 and UNECE R155 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L3233FZNI-10G | 32 M-bit, 104 MHz max clock, no DTR support, lacks SFDP register and unique ID | Lower bandwidth; unsuitable for XIP-critical or DTR-dependent designs | Select only if legacy SPI-only interface suffices and DTR/XIP features are unused |
| S25FL132K0XMFI010 | 32 M-bit, 80 MHz max clock, supports Octal DTR but requires different command set and pinout | Requires PCB redesign due to 16-pin SOIC package and distinct /HOLD/RESET separation | Consider only for migration paths where Octal interface and higher pin count are acceptable trade-offs |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, the W25Q32JVTCIM offers superior bandwidth (133 MHz vs ≤104 MHz), integrated DTR and QPI modes for seamless XIP, and on-die security features like SFDP and unique ID - making it optimal for next-generation resource-constrained embedded systems requiring speed, flexibility, and trust.
Availability
W25Q32JVTCIM is available at Aetrix Electronics and suitable for industrial control systems, automotive infotainment boot memory, and medical device firmware storage requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for W25Q32JVTCIM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Winbond Electronics is a Taiwan-based semiconductor company specializing in specialty memory solutions, including SPI NOR/NAND flash, RAM, and mobile DRAM.
The W25Q series targets high-performance embedded applications demanding fast boot, reliable firmware storage, and advanced security - designed specifically for microcontroller-based systems needing XIP, OTA updates, and tamper-resistant data retention.
FAQ
What is the maximum operating frequency supported by the W25Q32JVTCIM in Quad SPI mode?
The W25Q32JVTCIM supports up to 133 MHz clock frequency in Quad SPI mode. When combined with Double Transfer Rate (DTR) and Quad I/O, this yields an effective data rate of 532 MB/s (133 MHz × 4 lanes × 2 edges), enabling high-throughput firmware reads and efficient execute-in-place operation without external RAM buffering.
Does the W25Q32JVTCIM support hardware reset functionality, and how is it implemented?
Yes, the W25Q32JVTCIM supports hardware reset via the /RESET pin. In the 8-pin SOIC 208-mil package (W25Q32JVTCIM), pin 7 serves as /HOLD or /RESET depending on the QE bit setting in Status Register-2. When QE=0, it functions as /HOLD; when QE=1, it becomes IO3 and /HOLD is disabled - so hardware reset is only available in non-Quad configurations unless using the 16-pin SOIC variant.
How does the W25Q32JVTCIM ensure data security for stored firmware or calibration parameters?
The W25Q32JVTCIM ensures data security through multiple layers: hardware write protection via /WP and /HOLD pins, programmable block/sector lock bits (BP, TB, SEC), three 256-byte OTP-lockable security registers, a 64-bit unique serial number, and JEDEC-standard SFDP register for discoverable configuration. These features collectively prevent unauthorized access, overwrite, or cloning of sensitive firmware or calibration data.
Can the W25Q32JVTCIM be used for execute-in-place (XIP) applications, and what interface modes enable it?
Yes, the W25Q32JVTCIM is explicitly designed for execute-in-place (XIP) applications. Its Continuous Read Mode - requiring only 8 clocks to address memory - and support for Quad SPI, QPI, and DTR read instructions enable low-latency, high-bandwidth instruction fetch directly from flash. This eliminates the need to copy code to RAM, reducing system memory footprint and boot time in microcontroller-based designs.
What package type and pin count does the W25Q32JVTCIM use, and how does its pinout differ from other W25Q32JV variants?
The W25Q32JVTCIM uses an 8-pin SOIC 208-mil package (package code SS). Its pinout matches the standard 8-pin W25Q32JV layout: /CS (1), DO/IO1 (2), /WP/IO2 (3), GND (4), DI/IO0 (5), CLK (6), /HOLD or /RESET/IO3 (7), VCC (8). Unlike the 16-pin SOIC (SF) or TFBGA (TB/TC) variants, W25Q32JVTCIM lacks a dedicated /RESET pin - that function shares pin 7 and is conditional on QE bit state.
W25Q32JVTCIM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 24-TBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 32Mbit
- Memory Organization:
- 4M x 8
- Memory Interface:
- SPI - Quad I/O, QPI, DTR
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-TFBGA (8x6)
W25Q32JVTCIM FAQ
1.How can I place an order for W25Q32JVTCIM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVTCIM on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for W25Q32JVTCIM reliable?
The price and inventory of W25Q32JVTCIM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVTCIM is usually 5 days.
3.What payment methods are accepted for W25Q32JVTCIM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVTCIM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVTCIM?
W25Q32JVTCIM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVTCIM order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for W25Q32JVTCIM?
For technical support, including W25Q32JVTCIM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVTCIM requirements.
6.How does Aetrix verify that W25Q32JVTCIM is sourced from the original manufacturer or authorized distributors?
All W25Q32JVTCIM products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that W25Q32JVTCIM meets industry standards.
7.What is the process for return or replacement of W25Q32JVTCIM?
All W25Q32JVTCIM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVTCIM, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The W25Q32JVTCIM part is unused and in its original packaging.
Return procedure for W25Q32JVTCIM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JVTCIM Tags
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M24C02-WMN6TP
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AT24C02C-XHM-T
Microchip Technology
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AT21CS01-STUM10-T
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AT24C02C-SSHM-T
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24LC01BT-I/OT
Microchip Technology
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M24C02-FMC6TG
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AT24CS02-SSHM-T
Microchip Technology
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93LC46BT-I/OT
Microchip Technology
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AT24C04C-SSHM-T
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24LC01BT-I/SN
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24AA02UIDT-I/OT
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AT24C08C-STUM-T
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