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Microchip Technology SST39VF1601-70-4I-B3KE
- Part No.:
- SST39VF1601-70-4I-B3KE
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 48-TFBGA
- Datasheet:
-
SST39VF1601-70-4I-B3KE.pdf
- Description:
- IC FLASH 16MBIT PARALLEL 48TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:472
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Product details
Overview
SST39VF1601-70-4I-B3KE from Microchip Technology is a 16 Mbit (1M × 16) CMOS Multi-Purpose Flash Plus memory IC with 70 ns read access time, single 2.7–3.6 V supply operation, and bottom 32 KWord hardware block protection. It uses SuperFlash technology for high reliability and supports sector/block/chip erase, erase-suspend/resume, and security ID programming - deployed in embedded boot code storage for industrial controllers and legacy communication modules.
For engineers reviewing the SST39VF1601-70-4I-B3KE datasheet, SST39VF1601-70-4I-B3KE pinout, SST39VF1601-70-4I-B3KE application, or SST39VF1601-70-4I-B3KE equivalent, key selection considerations include JEDEC x16 flash compatibility, TSOP-48 package footprint, bottom-boot block protection mapping, and 70 ns timing compliance for 5 MHz bus interfaces in space-constrained designs.
Technical Context
The SST39VF1601-70-4I-B3KE implements an asynchronous x16 parallel interface with standard CE#/OE#/WE# control logic and latched address/data buses. Its SuperFlash split-gate cell architecture enables fixed 7 µs word-program and 18 ms sector/block-erase times independent of endurance cycles.
Hardware data protection includes WP#-controlled bottom 32 KWord boot block lock, RST#-initiated hard reset to Read mode, and noise/glitch immunity on WE#/CE#. Software Data Protection requires validated 3-byte (Program) or 6-byte (Erase) command sequences compliant with JEDEC standard flash command sets.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 Mbit (1,048,576 × 16-bit words) - supports full boot image storage for 8/16-bit microcontrollers without external expansion. |
| Read Access Time | 70 ns - enables direct connection to 5 MHz system buses without wait states in legacy embedded systems. |
| Supply Voltage | 2.7–3.6 V - compatible with single-supply 3.3 V logic domains and eliminates need for dedicated VPP programming voltage. |
| Endurance | 100,000 program/erase cycles - sufficient for field firmware updates over 10+ years in industrial control applications. |
| Data Retention | >100 years - ensures nonvolatile storage integrity across product lifecycle without refresh. |
| Block Protection | Bottom 32 KWord (000000H–007FFFH) - safeguards boot loader region against accidental overwrite during application updates. |
| Package | 48-ball TFBGA (6 mm × 8 mm) - surface-mount footprint optimized for high-density PCB layouts in compact networking equipment. |
Pinout & Package
48-ball TFBGA package (B3K suffix), top view with balls facing down. Pinout conforms to JEDEC-standard x16 flash interface with dedicated WP#, RST#, and hardware block protection logic.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A19 | Address Inputs | A0–A18 used for 1M×16 addressing; A19 selects boot block (bottom 32 KWord) during protection enable. |
| DQ0–DQ15 | Data I/O | Bi-directional x16 data bus; tri-stated when CE# or OE# is high; latched internally during write cycles. |
| CE# | Chip Enable | Active-low chip select - device enters standby (3 µA) when high; required low for all operations. |
| OE# | Output Enable | Active-low output gate - controls data bus drive; high forces DQ outputs to high-impedance state. |
| WE# | Write Enable | Active-low write strobe - initiates command latching and internal Program/Erase timing sequences. |
| WP# | Write Protect | Active-low hardware lock - grounds to protect bottom 32 KWord boot block; internally pulled up if floating. |
| RST# | Reset | Active-low hardware reset - terminates in-progress operations and forces return to Read mode within TRP. |
| VDD / VSS | Power / Ground | Single 2.7–3.6 V supply; dual ground pins (VSS at B1, H1) reduce noise coupling in high-speed reads. |
Key Features
| Feature | Design Value |
|---|---|
| Erase-Suspend/Resume | Allows real-time read access to non-suspended sectors during active erase - critical for interrupt-driven firmware update handlers. |
| Auto Low Power Mode | Reduces active read current from 9 mA to 3 µA after valid access - cuts dynamic power by >99% in polling-based status detection. |
| Security ID Space | 256-bit factory + user programmable ID (128 + 128 bits) - enables secure device authentication and license binding in OEM systems. |
| Toggle Bit & Data# Polling | DQ6/DQ7 status monitoring - provides deterministic end-of-write detection without timer dependencies in bare-metal firmware. |
| CFI Support | JEDEC-standard Common Flash Interface - enables automatic driver configuration and cross-vendor flash abstraction in bootloader software. |
Applications
| Industrial PLC Firmware Storage | Legacy Telecom Line Card Boot Memory |
|---|---|
Use Scenario: Stores boot loader and FPGA configuration bitstream in DIN-rail mounted programmable logic controllers operating at -40°C to +85°C. IC Role / Device Role / Timing Role: Primary nonvolatile boot memory with 70 ns read timing synchronized to 5 MHz CPU bus clock. Use Value: Bottom-block protection prevents corruption of boot code during field firmware upgrades via RS-485, ensuring fail-safe restart capability. |
Use Scenario: Holds DSP initialization code and protocol stack in E1/T1 line interface cards requiring long-term obsolescence support. IC Role / Device Role / Timing Role: x16 parallel flash interfaced directly to TI C54x DSP EMIF with no glue logic. Use Value: 100,000-cycle endurance supports 50+ field reprogramming events over 15-year product life without degradation. |
| Medical Diagnostic Equipment BIOS | Automotive Body Control Module EEPROM Replacement |
Use Scenario: Stores safety-critical boot firmware and calibration tables in FDA-cleared ultrasound imaging systems. IC Role / Device Role / Timing Role: Secure boot memory with programmable Security ID for anti-counterfeit verification during manufacturing test. Use Value: >100-year data retention meets IEC 62304 requirements for permanent storage of device certification parameters. |
Use Scenario: Replaces serial EEPROM in body control units where faster parallel access reduces boot time by 120 ms. IC Role / Device Role / Timing Role: Drop-in replacement for obsolete 28Fxxx devices using identical TSOP-48 footprint and JEDEC command set. Use Value: 18 ms sector erase enables sub-second firmware patching during dealership reprogramming sessions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar parallel flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SST39VF1601C-70-4I-B3KE | Successor with enhanced ESD rating (4 kV HBM) and updated qualification per AEC-Q100 Grade 3; same pinout and timing. | Required for new automotive designs; not drop-in in legacy industrial systems lacking updated reset timing margins. | Select when designing for automotive qualification or extended temperature stability beyond original spec. |
| MX29LV160DTTI-70G | 16 Mbit x16 flash with 70 ns access but top-boot block protection (0F8000H–0FFFFH); different WP# behavior and CFI structure. | Requires PCB layout change to accommodate top-boot address mapping; incompatible with existing SST39VF1601 boot loader checksums. | Consider only when migrating to Macronix platform with full firmware and toolchain revalidation. |
Compared with SST39VF1601C-70-4I-B3KE, the SST39VF1601-70-4I-B3KE lacks updated automotive qualification but maintains full backward compatibility with legacy 2000s-era designs; versus MX29LV160DTTI-70G, it offers native bottom-boot protection alignment and identical command-set timing, avoiding firmware porting effort.
Availability
SST39VF1601-70-4I-B3KE is available at Aetrix Electronics and suitable for industrial PLC firmware storage, legacy telecom line card boot memory, medical diagnostic BIOS, and automotive body control module EEPROM replacement requiring stable component supply and long-lifecycle support.
Supply support for SST39VF1601-70-4I-B3KE 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 acquired Silicon Storage Technology (SST) in 2010 and maintains the MPF+ flash portfolio for legacy and long-lifecycle applications.
The SST39VF1601-70-4I-B3KE belongs to the Multi-Purpose Flash Plus family, designed specifically for cost-sensitive, space-constrained embedded systems requiring reliable parallel boot memory with hardware block protection and JEDEC compatibility.
FAQ
What is the memory organization of the SST39VF1601-70-4I-B3KE?
The SST39VF1601-70-4I-B3KE is organized as 1,048,576 words × 16 bits (16 Mbit total), with uniform 2 KWord sectors and 32 KWord blocks. Its bottom 32 KWord (000000H–007FFFH) is hardware-protected via the WP# pin. This structure enables granular firmware updates while safeguarding boot code - a key requirement in the SST39VF1601-70-4I-B3KE's target applications.
Does the SST39VF1601-70-4I-B3KE support both sector and chip erase?
Yes, the SST39VF1601-70-4I-B3KE supports sector-erase (2 KWord), block-erase (32 KWord), and chip-erase operations. Sector-erase takes 18 ms typical, block-erase also 18 ms, and chip-erase completes in 40 ms typical. All use standardized six-byte command sequences and support Toggle Bit (DQ6) or Data# Polling (DQ7) for completion detection - consistent across all erase modes in the SST39VF1601-70-4I-B3KE.
What is the purpose of the RST# pin on the SST39VF1601-70-4I-B3KE?
The RST# pin on the SST39VF1601-70-4I-B3KE provides hardware-initiated reset to Read mode, terminating any in-progress Program or Erase operation within TRP (typically 100 ns). After RST# is deasserted, a minimum TRHR delay is required before valid reads resume. This ensures deterministic recovery from power faults or watchdog timeouts - a critical safety feature implemented in the SST39VF1601-70-4I-B3KE's control logic.
How does hardware block protection work on the SST39VF1601-70-4I-B3KE?
Hardware block protection on the SST39VF1601-70-4I-B3KE is activated by grounding the WP# pin, which locks the bottom 32 KWord (000000H–007FFFH) against Program and Erase commands. If WP# floats, an internal pull-up disables protection. This bottom-boot configuration is fixed for the SST39VF1601-70-4I-B3KE variant and differs from SST39VF1602's top-boot scheme - verified in Table 3 of the DS25028A datasheet.
Is the SST39VF1601-70-4I-B3KE RoHS compliant?
Yes, the SST39VF1601-70-4I-B3KE is RoHS compliant, as explicitly stated in the datasheet: "All devices are RoHS compliant." It meets EU Directive 2011/65/EU requirements for restriction of hazardous substances, including lead-free solderability and absence of cadmium, mercury, hexavalent chromium, PBB, and PBDE - confirmed for the B3K TFBGA package variant of the SST39VF1601-70-4I-B3KE.
SST39VF1601-70-4I-B3KE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST39 MPF™
- Package/Case:
- 48-TFBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 16Mbit
- Memory Organization:
- 1M 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-TFBGA
SST39VF1601-70-4I-B3KE FAQ
1.How can I place an order for SST39VF1601-70-4I-B3KE through Aetrix?
Please submit a Request for Quotation (RFQ) for SST39VF1601-70-4I-B3KE 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 SST39VF1601-70-4I-B3KE reliable?
The price and inventory of SST39VF1601-70-4I-B3KE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST39VF1601-70-4I-B3KE is usually 5 days.
3.What payment methods are accepted for SST39VF1601-70-4I-B3KE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST39VF1601-70-4I-B3KE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST39VF1601-70-4I-B3KE?
SST39VF1601-70-4I-B3KE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST39VF1601-70-4I-B3KE 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 SST39VF1601-70-4I-B3KE?
For technical support, including SST39VF1601-70-4I-B3KE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST39VF1601-70-4I-B3KE requirements.
6.How does Aetrix verify that SST39VF1601-70-4I-B3KE is sourced from the original manufacturer or authorized distributors?
All SST39VF1601-70-4I-B3KE 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 SST39VF1601-70-4I-B3KE meets industry standards.
7.What is the process for return or replacement of SST39VF1601-70-4I-B3KE?
All SST39VF1601-70-4I-B3KE units undergo pre-shipment inspection (PSI). If there is an issue with SST39VF1601-70-4I-B3KE, 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 SST39VF1601-70-4I-B3KE part is unused and in its original packaging.
Return procedure for SST39VF1601-70-4I-B3KE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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