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Microchip Technology SST39VF3201C-70-4I-EKE
- Part No.:
- SST39VF3201C-70-4I-EKE
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 48-TFSOP (0.724", 18.40mm Width)
- Datasheet:
-
SST39VF3201C-70-4I-EKE.pdf
- Description:
- IC FLASH 32MBIT PARALLEL 48TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,499
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Product details
Overview
SST39VF3201C-70-4I-EKE from Microchip Technology is a 32-Mbit (2M × 16) CMOS Multi-Purpose Flash Plus (MPF+) memory IC with bottom-boot block protection, 70 ns read access time, 2.7V–3.6V single-supply operation, and JEDEC-standard x16 pinout. It serves as nonvolatile program/data storage in embedded controllers, firmware boot loaders, and industrial HMI systems requiring field-upgradable code.
For engineers reviewing the SST39VF3201C-70-4I-EKE datasheet, SST39VF3201C-70-4I-EKE pinout, SST39VF3201C-70-4I-EKE application, or SST39VF3201C-70-4I-EKE equivalent, key selection criteria include bottom-block hardware write protection (WP#), erase-suspend/resume capability, 100,000-cycle endurance, and compatibility with standard x16 parallel bus interfaces in space-constrained TSOP or TFBGA footprints.
Technical Context
This device implements SuperFlash® split-gate cell technology with thick-oxide tunneling injector, enabling fixed erase/program times independent of cycle count and eliminating performance derating over lifetime. Its architecture supports uniform 2-KWord sector erase, flexible 4-KWord and 32-KWord block erase, and full-chip erase-all initiated via JEDEC-compliant command sequences.
Hardware data protection includes noise/glitch immunity (<5 ns pulse rejection), VDD power-up/down detection (<1.5 V inhibit), and WP#-controlled bottom two 4-KWord boot block lock. Software Data Protection (SDP) mandates three-byte unlock sequences for programming and six-byte sequences for erasing, with factory-enabled security ID (128-bit Microchip + 128-word user programmable).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 2M × 16 (32 Mbit); enables 16-bit parallel data bus interface without external multiplexing |
| Read Access Time | 70 ns; supports high-speed CPU read cycles at up to ~14 MHz sustained burst rate |
| Supply Voltage | 2.7V–3.6V single supply; eliminates need for dual-voltage rails in 3.3V system designs |
| Endurance | 100,000 program/erase cycles; ensures reliable firmware updates across 10+ years of field deployment |
| Data Retention | >100 years; guarantees nonvolatile storage integrity without refresh in powered-off state |
| Active Current | 6 mA typical at 5 MHz; reduces dynamic power in frequently accessed boot code regions |
| Standby Current | 4 µA typical; enables ultra-low-power sleep modes in battery-backed applications |
| Erase Times | Sector/Block: 18 ms typ; Chip: 35 ms typ-predictable timing simplifies real-time system scheduling |
Pinout & Package
Package: 48-lead TSOP (12 mm × 20 mm) - RoHS-compliant surface-mount package with standard JEDEC x16 footprint and thermal profile compatible with reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A20 | Address Inputs | A0–A19 select 2M words; A20 (AMS) used in command addressing for sector/block erase |
| DQ0–DQ15 | Data I/O | 16-bit bidirectional bus; latched internally during writes; tri-state when CE# or OE# high |
| CE# | Chip Enable | Active-low chip select; device enters standby (4 µA) when high |
| OE# | Output Enable | Active-low output gate; controls data bus drive without affecting internal state |
| WE# | Write Enable | Active-low control for all write operations; latches address/data on edge transitions per JEDEC timing |
| WP# | Write-Protect | Active-low hardware lock for bottom two 4-KWord boot blocks (000000H–001FFFH) |
| RST# | Reset | Active-low hardware abort of ongoing erase/program; forces return to read mode within TRP |
| RY/BY# | Ready/Busy# | Open-drain status indicator; requires external 10–100 kΩ pull-up; low = operation in progress |
| VDD | Power Supply | 2.7V–3.6V core and I/O supply; no separate VCCIO required |
| VSS | Ground | Common reference for all signals; two dedicated pins reduce ground bounce in high-speed reads |
| NC | No Connection | Unbonded pins (A16, A19 in TSOP; multiple balls in TFBGA)-must be left floating or grounded per layout rules |
Key Features
| Feature | Design Value |
|---|---|
| Bottom Boot Block Protection | Hardware-enforced lock of lowest 8 KWords (000000H–001FFFH) via WP# pin-prevents accidental overwrite of bootloader code |
| Erase-Suspend/Resume | Pause active sector/block erase to read other memory locations or program unprotected sectors-enables real-time interrupt handling during flash maintenance |
| Auto Low-Power Mode | Reduces active read current from 6 mA to 4 µA after valid read access-cuts power by >99% during idle polling intervals |
| Security ID Space | Factory-programmed 128-bit ID + 128-word user-programmable space-supports secure device authentication and firmware binding |
| Toggle Bit & Data# Polling | Dual software status detection (DQ6/DQ7) plus RY/BY# pin-provides redundant, deterministic end-of-write confirmation without timer dependencies |
| SuperFlash® Technology | Fixed erase/program times unaffected by accumulated cycles-eliminates need for runtime derating or wear-leveling firmware overhead |
Applications
| Industrial PLC Firmware Storage | Automotive Instrument Cluster Bootloader |
|---|---|
Use Scenario: Storing and updating ladder logic programs and configuration parameters in programmable logic controllers operating in harsh temperature environments. IC Role / Device Role / Timing Role: Nonvolatile code storage with bottom-boot protection ensuring bootloader integrity during field firmware upgrades via CAN or Ethernet. Use Value: 100,000-cycle endurance and >100-year data retention guarantee operational reliability across 15+ year product lifecycles without replacement. | Use Scenario: Hosting boot code and calibrated display assets in automotive digital instrument clusters requiring ASIL-B functional safety compliance. IC Role / Device Role / Timing Role: Primary boot memory mapped to CPU address space; 70 ns access time meets real-time startup timing budgets under cold-start conditions. Use Value: Hardware WP# lock prevents corruption of critical boot sector during ECU reset sequences or voltage transients on 12V supply rails. |
| Medical Device Configuration Memory | Network Router Embedded OS Image |
Use Scenario: Storing device-specific calibration tables, user preferences, and regulatory audit logs in portable diagnostic equipment with battery backup. IC Role / Device Role / Timing Role: Parameter storage with Security ID support for traceable device identity and tamper-evident firmware signing keys. Use Value: 4 µA standby current extends battery life during multi-week storage; erase-suspend allows concurrent log writes during background diagnostics. | Use Scenario: Holding compressed Linux kernel and root filesystem images in enterprise-grade routers requiring remote firmware rollback capability. IC Role / Device Role / Timing Role: Parallel x16 flash memory interfaced to MIPS or ARM SoC; supports in-system programming via JTAG or serial management interface. Use Value: Sector-erase granularity (2 KWord) enables atomic update of individual OS modules without disrupting running services. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar parallel NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SST39VF3202C-70-4I-EKE | Top-boot block protection (1FE000H–1FFFFFH) instead of bottom-boot; identical timing, voltage, and command set | Used where bootloader resides in highest memory region; incompatible pin-level protection behavior with SST39VF3201C-70-4I-EKE | Select only if hardware WP# routing matches top-block address map and existing PCB layout accommodates same TSOP/TFBGA footprint |
| MX29LV320ETTI-70G | 32 Mbit x16, 70 ns, 2.7–3.6 V-but uses different command sequences, lacks Security ID, and has no erase-suspend capability | Requires firmware driver rewrite; suitable for cost-sensitive designs where advanced features are unused | Choose when legacy codebase already supports Macronix command set and boot protection scheme is implemented in software |
Compared with SST39VF3202C-70-4I-EKE, this part provides bottom-boot protection essential for legacy bootloader architectures, while MX29LV320ETTI-70G offers lower unit cost but sacrifices erase-suspend, security ID, and guaranteed fixed timing-requiring additional firmware validation effort.
Availability
SST39VF3201C-70-4I-EKE is available at Aetrix Electronics and suitable for industrial PLCs, automotive instrument clusters, medical diagnostic devices, and network infrastructure requiring stable component supply with long-term lifecycle assurance.
Supply support for SST39VF3201C-70-4I-EKE 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
Microchip Technology is a leading provider of microcontrollers, analog components, and memory solutions, serving industrial, automotive, and communications markets with vertically integrated silicon and software platforms.
The SST39VF3201C-70-4I-EKE belongs to Microchip's SuperFlash® MPF+ family, engineered for high-reliability embedded systems requiring field-upgradable firmware, deterministic flash timing, and hardware-enforced boot code protection.
FAQ
What is the boot block protection scheme implemented in the SST39VF3201C-70-4I-EKE?
The SST39VF3201C-70-4I-EKE implements bottom hardware block protection: when WP# is driven low, the bottom two 4-KWord blocks (000000H–001FFFH) are locked against program and erase operations. This protects bootloader code stored in the lowest memory region. The SST39VF3201C-70-4I-EKE datasheet confirms this behavior in Table 2 and Section "Hardware Block Protection".
Does the SST39VF3201C-70-4I-EKE support both TSOP and TFBGA packages, and how does that affect pin compatibility?
Yes, the SST39VF3201C-70-4I-EKE is offered in both 48-lead TSOP and 48-ball TFBGA packages. Pin functions are identical per JEDEC standard x16 assignment, but physical pinout differs: TSOP uses linear edge leads, while TFBGA uses ball grid array mapping. The SST39VF3201C-70-4I-EKE pin descriptions in Figures 2 and 3 of DS20005020C confirm functional equivalence despite mechanical differences.
How does the Auto Low-Power mode function in the SST39VF3201C-70-4I-EKE during read operations?
The SST39VF3201C-70-4I-EKE enters Auto Low-Power mode automatically after a valid read cycle completes, reducing active current from 6 mA to 4 µA. It exits instantly on any address or control signal transition-no access time penalty. This behavior is documented in DS20005020C page 6 and applies only after first address transition post-power-up, not during static CE# assertion.
What status detection methods are supported by the SST39VF3201C-70-4I-EKE for verifying completion of program or erase operations?
The SST39VF3201C-70-4I-EKE supports three complementary status detection methods: Data# Polling (DQ7 toggles until completion), Toggle Bits (DQ6 toggles during operation, stops when done), and Ready/Busy# (RY/BY# open-drain pin pulled low during operation). All are validated in DS20005020C pages 7–8 and enable robust, interrupt-driven flash management in the SST39VF3201C-70-4I-EKE.
Can the Security ID space in the SST39VF3201C-70-4I-EKE be programmed and locked independently of main array operations?
Yes-the SST39VF3201C-70-4I-EKE provides a dedicated 136-word Security ID space: first 128 bits factory-programmed by Microchip, next 128 words user-programmable. Programming uses unique command sequence (88H entry + A5H), and locking is performed separately via 85H command. Neither segment can be erased, and locking prevents further writes-details are specified in DS20005020C page 10 for the SST39VF3201C-70-4I-EKE.
SST39VF3201C-70-4I-EKE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST39 MPF™
- Package/Case:
- 48-TFSOP (0.724", 18.40mm Width)
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 32Mbit
- Memory Organization:
- 2M x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 10µs
- Access Time:
- 70 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSOP
SST39VF3201C-70-4I-EKE FAQ
1.How can I place an order for SST39VF3201C-70-4I-EKE through Aetrix?
Please submit a Request for Quotation (RFQ) for SST39VF3201C-70-4I-EKE 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 SST39VF3201C-70-4I-EKE reliable?
The price and inventory of SST39VF3201C-70-4I-EKE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST39VF3201C-70-4I-EKE is usually 5 days.
3.What payment methods are accepted for SST39VF3201C-70-4I-EKE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST39VF3201C-70-4I-EKE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST39VF3201C-70-4I-EKE?
SST39VF3201C-70-4I-EKE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST39VF3201C-70-4I-EKE 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 SST39VF3201C-70-4I-EKE?
For technical support, including SST39VF3201C-70-4I-EKE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST39VF3201C-70-4I-EKE requirements.
6.How does Aetrix verify that SST39VF3201C-70-4I-EKE is sourced from the original manufacturer or authorized distributors?
All SST39VF3201C-70-4I-EKE 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 SST39VF3201C-70-4I-EKE meets industry standards.
7.What is the process for return or replacement of SST39VF3201C-70-4I-EKE?
All SST39VF3201C-70-4I-EKE units undergo pre-shipment inspection (PSI). If there is an issue with SST39VF3201C-70-4I-EKE, 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 SST39VF3201C-70-4I-EKE part is unused and in its original packaging.
Return procedure for SST39VF3201C-70-4I-EKE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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