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Microchip Technology SST38VF6404B-70-5I-TV
- Part No.:
- SST38VF6404B-70-5I-TV
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 48-TFSOP (0.724", 18.40mm Width)
- Datasheet:
-
SST38VF6404B-70-5I-TV.pdf
- Description:
- IC FLASH 64MBIT PARALLEL 48TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,584
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Product details
Overview
SST38VF6404B-70-5I-TV from Microchip Technology is a 64 Mbit (4M × 16) CMOS Advanced Multi-Purpose Flash Plus memory IC, designed for nonvolatile program/data storage in embedded systems. It operates from a single 2.7–3.6V supply, delivers 70 ns read access time and 25 ns page read access, supports 16-word write buffering, and features hardware boot block protection with WP# pin and RST# reset functionality - deployed in industrial control firmware updates and BIOS storage.
For engineers reviewing the SST38VF6404B-70-5I-TV datasheet, SST38VF6404B-70-5I-TV pinout, SST38VF6404B-70-5I-TV application, or SST38VF6404B-70-5I-TV equivalent, key selection criteria include uniform 32 KWord block erase capability, 100,000-cycle endurance, JEDEC-compliant x16 interface timing, and TSOP-48/TTFBGA-48 package compatibility for legacy PCB layouts.
Technical Context
The SST38VF6404B-70-5I-TV implements SuperFlash split-gate cell technology with thick-oxide tunneling injector, enabling fixed erase/program times independent of cycle count. Its command-set architecture conforms to JEDEC standard pinouts and CFI, supporting software-controlled individual block (32 KWord) protection and password-based security.
It integrates latched address/data paths, RY/BY# status signaling, Toggle Bit (DQ6/DQ2) and Data# Polling (DQ7) for end-of-write detection, and Auto Low Power mode (5 μA standby) triggered by valid read transitions - eliminating need for external power management logic in battery-sensitive applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 4M × 16 (64 Mbit); enables 16-bit parallel data bus interfacing with microcontrollers and SoCs without glue logic. |
| Read Access Time | 70 ns (max); meets timing requirements for 14 MHz synchronous bus operation in legacy industrial controllers. |
| Page Read Access | 25 ns per word (8-word buffer); accelerates sequential firmware reads during boot or configuration loading. |
| Endurance | 100,000 program/erase cycles minimum; supports field-updatable firmware in devices requiring >5 years of over-the-air update cycles. |
| Data Retention | >100 years at 25°C; ensures long-term reliability in unpowered storage for medical device calibration tables or automotive ECU parameters. |
| Supply Voltage | 2.7–3.6 V; compatible with single-supply 3.3 V systems, eliminating need for dedicated flash voltage regulators. |
| Write Buffer Size | 16-word buffer; reduces effective programming time to 1.75 μs/word, cutting full-page (16-word) write latency by 75% vs. single-word mode. |
Pinout & Package
Package: 48-lead TSOP (Type I, standard pinout, die-up, top view). Pin compatibility confirmed with JEDEC MO-142AC standard for x16 flash memories.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A21 | Address Inputs | 22-bit address bus (AMS = A21); selects 4M × 16 locations; A21–A15 define 32 KWord block address for erase operations. |
| DQ0–DQ15 | Data I/O | 16-bit bidirectional data bus; tri-stated when CE# or OE# high; internally latched during write cycles. |
| CE# | Chip Enable | Active-low chip select; enables device for read/write when low; high state places device in standby (5 μA). |
| OE# | Output Enable | Active-low output gate; controls data bus drivers independently of CE# for multiplexed bus sharing. |
| WE# | Write Enable | Active-low write strobe; latches address/data on falling/rising edges per JEDEC command protocol. |
| WP# | Write Protect | Hardware boot block lock; grounded to protect top/bottom 32 KWord boot region from accidental erase/program. |
| RST# | Reset | Active-low hardware reset; forces device into read mode, clearing internal command states and abort conditions. |
| RY/BY# | Ready/Busy | Open-drain status output; low during program/erase; used for hardware flow control without polling overhead. |
| VDD / VSS | Power / Ground | Single 2.7–3.6 V supply; decoupling required per JEDEC layout guidelines to maintain 70 ns timing stability. |
| NC | No Connection | Unbonded pin; must remain floating; no routing or pull-up/down required on PCB. |
Key Features
| Feature | Design Value |
|---|---|
| Erase-Suspend/-Resume | Allows interruption of block erase to perform reads or writes elsewhere - critical for real-time systems updating config while preserving active runtime code. |
| 128-bit Unique ID + Security-ID | Factory-programmed serial number plus 248-word OTP area for secure key storage or device binding - supports anti-cloning in certified industrial equipment. |
| Uniform Block Protection | Software-selectable 32 KWord block locking (no hardware WP# dependency); enables dynamic partitioning of firmware, config, and log regions. |
| Auto Low Power Mode | Enters 5 μA standby automatically after valid read access - eliminates need for external power sequencing in portable HMI or sensor nodes. |
| CFI Compliance | Provides standardized query structure for automatic driver detection and configuration in Linux MTD or U-Boot environments. |
Applications
| Industrial PLC Firmware Storage | Medical Device Calibration Memory |
|---|---|
Use Scenario: Storing and updating ladder logic firmware in programmable logic controllers with field serviceability requirements. IC Role / Device Role / Timing Role: Nonvolatile program memory mapped to microcontroller's external bus; accessed via 16-bit parallel interface with 70 ns timing compliance. Use Value: 100,000-cycle endurance supports >10 years of scheduled firmware patches; uniform 32 KWord blocks simplify erase scheduling without fragmentation. |
Use Scenario: Retaining factory-calibrated sensor coefficients and patient-specific settings across power cycles in portable diagnostic equipment. IC Role / Device Role / Timing Role: Secure, long-retention configuration memory; leverages 128-bit UID for traceability and Security-ID OTP for cryptographic key binding. Use Value: >100-year data retention ensures calibration integrity over product lifetime; hardware WP# prevents accidental overwrite during routine diagnostics. |
| Automotive Infotainment Boot ROM | Network Router Configuration Storage |
Use Scenario: Hosting boot code and recovery image for head-unit SoCs, requiring fast, reliable startup under wide temperature ranges. IC Role / Device Role / Timing Role: Primary boot memory accessed during cold start; uses Page Read (25 ns) to accelerate initial instruction fetch from flash. Use Value: 25 ns page read cuts boot time by ~40% vs. standard read mode; RST# pin enables deterministic recovery from corrupted boot sequences. |
Use Scenario: Storing persistent configuration, MAC tables, and firmware images in enterprise-grade Ethernet switches with zero-downtime update capability. IC Role / Device Role / Timing Role: Dual-purpose storage for both static config and upgradable firmware; uses Erase-Suspend to allow config edits during background firmware download. Use Value: Erase-Suspend/-Resume enables concurrent read/write operations - eliminating service interruption during over-the-air updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SST39VF6402B-70-5I-B3K | Same 64 Mbit x16 organization, but boot block located at top (B127), not bottom; 48-ball TFBGA only; no RST# pin. | Requires PCB redesign for TFBGA footprint and lacks hardware reset - unsuitable for systems needing deterministic recovery from flash corruption. | Select only if board uses TFBGA and boot code resides in top block; verify absence of RST# does not compromise system fault tolerance. |
| MX29LV640ETTI-70G | 64 Mbit x16, 70 ns access, but uses older single-power 3.0 V core; no Auto Low Power mode; max endurance 100K cycles same, but data retention rated at 20 years. | Lacks 5 μA standby and >100-year retention - inadequate for medical/industrial long-life deployments requiring archival data integrity. | Acceptable for cost-sensitive consumer routers where 20-year retention suffices and power budget allows higher active current. |
Compared with SST38VF6404B-70-5I-TV, SST39VF6402B-70-5I-B3K trades RST# and TSOP support for TFBGA miniaturization, while MX29LV640ETTI-70G sacrifices retention and ultra-low standby for broader vendor availability - making SST38VF6404B-70-5I-TV optimal for long-lifecycle, reset-critical industrial designs.
Availability
SST38VF6404B-70-5I-TV is available at Aetrix Electronics and suitable for industrial PLC firmware storage, medical device calibration memory, and automotive infotainment boot ROM requiring stable component supply across extended production lifecycles.
Supply support for SST38VF6404B-70-5I-TV 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 global semiconductor company specializing in microcontrollers, analog devices, and memory solutions, with emphasis on industrial, automotive, and aerospace reliability standards.
The SST38VF6404B-70-5I-TV belongs to Microchip's Advanced MPF+ Flash family, engineered for high-reliability, low-power, field-upgradable embedded storage - targeting applications where endurance, retention, and JEDEC interoperability are mandatory.
FAQ
What is the maximum operating temperature range for SST38VF6404B-70-5I-TV?
The SST38VF6404B-70-5I-TV is rated for industrial temperature operation from –40°C to +85°C, as indicated by the 'I' suffix in the part number. This range is validated per Microchip's DS20005002D specification and supports deployment in harsh environments such as factory automation controllers and outdoor telecom infrastructure where thermal cycling occurs.
Does SST38VF6404B-70-5I-TV support both TSOP and TFBGA packages?
No - the SST38VF6404B-70-5I-TV specifically denotes the 48-lead TSOP package ('TV' suffix). The TFBGA variant is designated separately (e.g., SST38VF6404B-70-5I-B3K). Pin assignments differ between packages, and TSOP-48 is the only configuration qualified for the -70-5I-TV ordering option per Microchip's packaging matrix.
How does the boot block protection work on SST38VF6404B-70-5I-TV?
The SST38VF6404B-70-5I-TV implements bottom-boot architecture: Block B0 (32 KWord, addresses 0x000000–0x00FFFF) is hardware-protected when WP# is grounded. This prevents accidental erase/program of critical boot code while allowing full flexibility for user data in upper blocks - a feature confirmed in Table 3-2 of DS20005002D.
Can SST38VF6404B-70-5I-TV be used with a 3.0 V-only system?
Yes - the SST38VF6404B-70-5I-TV operates across 2.7–3.6 V, so it is fully compatible with nominal 3.0 V systems. Its typical active current (25 mA) and standby current (5 μA) are specified at 3.0 V and 5 MHz, and all timing parameters (including 70 ns read access) are guaranteed across the full voltage range.
Is RST# pin functionality mandatory for normal operation of SST38VF6404B-70-5I-TV?
No - the RST# pin is optional for basic read/write operation; the device powers up in read mode and functions without RST# assertion. However, RST# is essential for recovering from command aborts (e.g., Write-Buffer failures) or invalid command sequences, as it forces a clean return to read mode - a requirement in safety-critical firmware update handlers.
SST38VF6404B-70-5I-TV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST38
- Package/Case:
- 48-TFSOP (0.724", 18.40mm Width)
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 64Mbit
- Memory Organization:
- 4M 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
SST38VF6404B-70-5I-TV FAQ
1.How can I place an order for SST38VF6404B-70-5I-TV through Aetrix?
Please submit a Request for Quotation (RFQ) for SST38VF6404B-70-5I-TV 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 SST38VF6404B-70-5I-TV reliable?
The price and inventory of SST38VF6404B-70-5I-TV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST38VF6404B-70-5I-TV is usually 5 days.
3.What payment methods are accepted for SST38VF6404B-70-5I-TV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST38VF6404B-70-5I-TV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST38VF6404B-70-5I-TV?
SST38VF6404B-70-5I-TV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST38VF6404B-70-5I-TV 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 SST38VF6404B-70-5I-TV?
For technical support, including SST38VF6404B-70-5I-TV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST38VF6404B-70-5I-TV requirements.
6.How does Aetrix verify that SST38VF6404B-70-5I-TV is sourced from the original manufacturer or authorized distributors?
All SST38VF6404B-70-5I-TV 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 SST38VF6404B-70-5I-TV meets industry standards.
7.What is the process for return or replacement of SST38VF6404B-70-5I-TV?
All SST38VF6404B-70-5I-TV units undergo pre-shipment inspection (PSI). If there is an issue with SST38VF6404B-70-5I-TV, 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 SST38VF6404B-70-5I-TV part is unused and in its original packaging.
Return procedure for SST38VF6404B-70-5I-TV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SST38VF6404B-70-5I-TV Tags
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