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Microchip Technology SST39SF010A-45-4I-NHE-T
- Part No.:
- SST39SF010A-45-4I-NHE-T
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 32-LCC (J-Lead)
- Datasheet:
-
SST39SF010A-45-4I-NHE-T.pdf
- Description:
- IC FLASH 1MBIT PARALLEL 32PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:4,282
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Product details
Overview
SST39SF010A-45-4I-NHE-T from Microchip Technology is a 1 Mbit (128K × 8) CMOS Multi-Purpose Flash memory IC with single 4.5–5.5V supply operation, 55 ns read access time, and JEDEC-standard x8 parallel interface. It features sector-erase capability (4 KB uniform sectors), 100,000 program/erase endurance cycles, and >100 years data retention - deployed in embedded firmware storage for industrial controllers and legacy BIOS modules.
For engineers reviewing the SST39SF010A-45-4I-NHE-T datasheet, SST39SF010A-45-4I-NHE-T pinout, SST39SF010A-45-4I-NHE-T application, or SST39SF010A-45-4I-NHE-T equivalent, this page delivers verified electrical specs, PLCC-32 pin mapping, SuperFlash reliability metrics, software data protection command sequences, and direct alternatives for legacy system maintenance and BOM continuity planning.
Technical Context
The SST39SF010A-45-4I-NHE-T implements SST's proprietary SuperFlash split-gate cell architecture with thick-oxide tunneling injector, enabling fixed erase/program times independent of cycle count. It supports standard microprocessor bus interfacing via CE#, OE#, and WE# control lines, with latched address/data inputs and tri-state outputs.
Write operations require a six-byte software data protection (SDP) sequence for sector or chip erase, and a three-byte sequence for byte-programming. End-of-write detection uses DQ7 (Data# Polling) or DQ6 (Toggle Bit), both valid after the fourth (program) or sixth (erase) WE#/CE# pulse edge - eliminating need for external timing circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 1 Mbit (128K × 8) - supports full firmware image storage for 8-bit/16-bit microcontrollers without external expansion. |
| Read Access Time | 55 ns - enables direct execution from flash (XIP) in systems with ≤18 MHz bus clocks. |
| Supply Voltage | 4.5–5.5 V - compatible with legacy 5 V TTL logic families and eliminates need for level-shifting circuitry. |
| Endurance | 100,000 program/erase cycles - sufficient for field-upgradable firmware with infrequent updates over 10+ year product life. |
| Data Retention | >100 years at 25°C - ensures long-term integrity of boot code and calibration tables in unpowered storage. |
| Sector Size | 4 KB uniform sectors - allows granular firmware patching without erasing entire device, reducing update downtime. |
| Active Current | 10 mA typical at 14 MHz - minimizes power impact during active read operations in energy-constrained industrial nodes. |
| Standby Current | 30 µA typical - supports low-power sleep modes in battery-backed or always-on monitoring systems. |
Pinout & Package
Package: 32-lead Plastic Leaded Chip Carrier (PLCC), RoHS-compliant, 1.78 mm body height, 11.43 mm × 13.97 mm footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address Inputs | 17-bit address bus supporting full 128K × 8 decoding; A16 is most significant bit for SST39SF010A. |
| DQ0–DQ7 | Data Input/Output | 8-bit bidirectional data bus with internal latching during writes; high-impedance when CE# or OE# is high. |
| CE# | Chip Enable | Active-low device select; places device in standby (30 µA) when high, enabling multi-chip memory decoding. |
| OE# | Output Enable | Active-low output gate; controls data bus visibility without affecting internal state or power mode. |
| WE# | Write Enable | Active-low write control; initiates byte-program, sector-erase, or chip-erase upon SDP command sequence completion. |
| VDD | Power Supply | 4.5–5.5 V core supply; includes on-chip VPP generation - no external high-voltage programming supply required. |
| VSS | Ground | Reference return path for all I/O and core logic; requires low-inductance connection to minimize noise during erase/write transitions. |
| NC | No Connection | Pins 24 and 31 are unconnected - must be left floating or tied to ground per PCB layout best practices. |
Key Features
| Feature | Design Value |
|---|---|
| SuperFlash Technology | Split-gate cell with thick-oxide tunneling injector enables fixed 18 ms sector-erase and 14 µs byte-program times across full lifetime - no software de-rating needed. |
| Software Data Protection | JEDEC-standard three-byte (program) or six-byte (erase) command sequences prevent accidental writes during power-up/down or EMI events. |
| TTL I/O Compatibility | Direct interface with 5 V microcontrollers and FPGAs - no level shifters required; VIH = 2.0 V, VOL = 0.4 V at 2.1 mA load. |
| End-of-Write Detection | DQ6 Toggle Bit and DQ7 Data# Polling provide deterministic, software-driven status reporting - eliminates need for external timers or busy-wait loops. |
| Hardware Write Inhibit | Automatic lockout when VDD < 2.5 V or WE#/CE#/OE# violate setup/hold timing - prevents corruption during brown-out conditions. |
| Uniform Sector Architecture | 32 × 4 KB sectors enable selective firmware updates - critical for field-deployed devices where full reflash risks bricking. |
Applications
| Industrial PLC Firmware Storage | Legacy PC BIOS Memory |
|---|---|
Use Scenario: Storing ladder logic programs and I/O configuration tables in programmable logic controllers operating in harsh factory environments (-40°C to +85°C). IC Role / Device Role / Timing Role: Nonvolatile program memory mapped directly to CPU address space; accessed via parallel bus with 55 ns read latency. Use Value: 100,000-cycle endurance and >100-year data retention ensure firmware integrity across decades of unattended operation without backup power. | Use Scenario: Holding BIOS initialization code and hardware configuration data in desktop motherboards using ISA/LPC bus interfaces. IC Role / Device Role / Timing Role: x8 parallel flash memory replacing EPROM; supports in-system programming via dedicated BIOS update utilities. Use Value: Sector-erase capability allows partial BIOS updates (e.g., security patches) without full chip reprogramming - reducing service downtime. |
| Medical Device Bootloader Storage | Telecom Line Card Configuration |
Use Scenario: Storing certified bootloader images and cryptographic keys in FDA-regulated diagnostic equipment requiring traceable firmware revisions. IC Role / Device Role / Timing Role: Secure, write-protected boot memory accessed at power-on reset; validated under IEC 62304 software lifecycle requirements. Use Value: Hardware + software data protection (VDD monitoring, SDP commands) prevents unauthorized modification - meeting regulatory audit requirements. | Use Scenario: Holding FPGA configuration bitstreams and port-specific line parameters in carrier-grade DSLAM and ONU line cards. IC Role / Device Role / Timing Role: Parallel-configurable nonvolatile memory interfaced to microcontroller-managed CPLD/FPGA configuration engines. Use Value: 4 KB sector granularity enables independent updates of individual line profiles without disrupting active services on other ports. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM29LV010B-55EI | 55 ns access, 1 Mbit (128K × 8), 3.0 V core (3.0–3.6 V), requires 12 V VPP for programming | Requires external high-voltage generator; incompatible with 5 V-only systems | Select only if migrating to 3 V systems with existing AM29LV infrastructure and VPP support. |
| MX29LV160CBTI-70G | 70 ns access, 16 Mbit (2M × 8), 3.0 V core, top/bottom boot-block architecture | Higher density and different block layout; not drop-in for 1 Mbit footprint or timing-critical 55 ns paths | Consider for new designs needing larger capacity and 3 V operation - requires PCB and firmware redesign. |
Compared with AM29LV010B-55EI and MX29LV160CBTI-70G, the SST39SF010A-45-4I-NHE-T uniquely combines 5 V operation, internal VPP generation, 55 ns speed, and proven SuperFlash reliability - making it the only direct replacement for legacy 5 V systems requiring zero hardware changes and guaranteed long-term availability.
Availability
SST39SF010A-45-4I-NHE-T is available at Aetrix Electronics and suitable for industrial PLC firmware storage, legacy PC BIOS memory, medical device bootloader storage, and telecom line card configuration requiring stable component supply and long-lifecycle support.
Supply support for SST39SF010A-45-4I-NHE-T 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 U.S.-based semiconductor company specializing in microcontrollers, analog devices, and memory solutions, with a focus on embedded control and connectivity.
The SST39SF010A-45-4I-NHE-T belongs to Microchip's legacy SuperFlash parallel NOR flash product line, designed specifically for cost-sensitive, 5 V industrial and computing applications requiring robust in-system programmability and long-term data integrity.
FAQ
What is the maximum operating temperature range for the SST39SF010A-45-4I-NHE-T?
The SST39SF010A-45-4I-NHE-T is rated for industrial temperature operation from -40°C to +85°C, as confirmed in Table 5 of the official Microchip datasheet DS20005022C. This makes SST39SF010A-45-4I-NHE-T suitable for deployment in factory automation, outdoor telecom equipment, and medical devices exposed to wide ambient variations.
Does the SST39SF010A-45-4I-NHE-T require an external high-voltage supply for programming?
No, the SST39SF010A-45-4I-NHE-T integrates internal VPP generation and operates entirely from a single 4.5–5.5 V supply for both read and write functions. This eliminates the need for external 12 V programming voltages - a key differentiator from older AMD/Spansion flash devices. The SST39SF010A-45-4I-NHE-T achieves this via SST's SuperFlash technology.
How many address lines does the SST39SF010A-45-4I-NHE-T use, and what is the highest address bit?
The SST39SF010A-45-4I-NHE-T uses 17 address lines (A0–A16) to decode its 128K × 8 organization. A16 is the most significant address bit, as explicitly defined in Table 1 (footnote 1) and Figures 2–4 of the datasheet. This distinguishes it from the SST39SF020A (A17) and SST39SF040 (A18).
What command sequence is required to perform a byte-program operation on the SST39SF010A-45-4I-NHE-T?
A three-byte software data protection sequence is mandatory: write 0xAA to address 0x5555, then 0x55 to address 0x2AAA, then 0xA0 to address 0x5555 - followed by the target address and data byte. This sequence must complete before the internal 14 µs byte-program cycle begins. All commands are documented in Table 4 of the SST39SF010A-45-4I-NHE-T datasheet.
Is the SST39SF010A-45-4I-NHE-T RoHS compliant?
Yes, the SST39SF010A-45-4I-NHE-T is RoHS compliant, as stated in the "Features" section of the official Microchip datasheet DS20005022C. The "-NHE-T" suffix denotes lead-free (Pb-free), halogen-free, and RoHS-compliant packaging in 32-lead PLCC format.
SST39SF010A-45-4I-NHE-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST39 MPF™
- Package/Case:
- 32-LCC (J-Lead)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 20µs
- Access Time:
- 45 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-PLCC (11.43x13.97)
SST39SF010A-45-4I-NHE-T FAQ
1.How can I place an order for SST39SF010A-45-4I-NHE-T through Aetrix?
Please submit a Request for Quotation (RFQ) for SST39SF010A-45-4I-NHE-T 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 SST39SF010A-45-4I-NHE-T reliable?
The price and inventory of SST39SF010A-45-4I-NHE-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST39SF010A-45-4I-NHE-T is usually 5 days.
3.What payment methods are accepted for SST39SF010A-45-4I-NHE-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST39SF010A-45-4I-NHE-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST39SF010A-45-4I-NHE-T?
SST39SF010A-45-4I-NHE-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST39SF010A-45-4I-NHE-T 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 SST39SF010A-45-4I-NHE-T?
For technical support, including SST39SF010A-45-4I-NHE-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST39SF010A-45-4I-NHE-T requirements.
6.How does Aetrix verify that SST39SF010A-45-4I-NHE-T is sourced from the original manufacturer or authorized distributors?
All SST39SF010A-45-4I-NHE-T 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 SST39SF010A-45-4I-NHE-T meets industry standards.
7.What is the process for return or replacement of SST39SF010A-45-4I-NHE-T?
All SST39SF010A-45-4I-NHE-T units undergo pre-shipment inspection (PSI). If there is an issue with SST39SF010A-45-4I-NHE-T, 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 SST39SF010A-45-4I-NHE-T part is unused and in its original packaging.
Return procedure for SST39SF010A-45-4I-NHE-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SST39SF010A-45-4I-NHE-T Tags
-
M24C02-WMN6TP
STMicroelectronics
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AT24C02C-XHM-T
Microchip Technology
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AT21CS01-STUM10-T
Microchip Technology
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AT24C02C-SSHM-T
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24LC01BT-I/OT
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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
Microchip Technology
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24AA02UIDT-I/OT
Microchip Technology
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AT24C08C-STUM-T
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