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Home > Products > Integrated Circuits (ICs) > Memory > Memory

STMicroelectronics DSM2180F3V-15K6

Name: DSM2180F3V-15K6
Brand: STMicroelectronics
SKU: DSM2180F3V-15K6
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: DSM2180F3V-15K6

Manufacturer:: STMicroelectronics

Category:: Memory

Package:: 52-LCC (J-Lead)

Datasheet:: DSM2180F3V-15K6.pdf

Description:: IC FLASH 1MBIT PARALLEL 52PLCC

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Product details

Overview

DSM2180F3V-15K6 from Lattice Semiconductor is a programmable DSP system memory device designed for Analog Devices ADSP-218X family processors. It integrates 128 KB (128K × 8) Flash memory, a 3,000-gate CPLD with 16 macrocells, up to 16 configurable I/O pins, and JTAG in-system programming (ISP). It enables glueless connection to the DSP's 8-bit BDMA and 16-bit data overlay interfaces, supports sector-erase (16 KB per sector), and delivers 90 ns read access time at 5 V ±10% supply - used for bootloading, firmware updates, and peripheral logic replacement in compact DSP systems.

For engineers reviewing the DSM2180F3V-15K6 datasheet, DSM2180F3V-15K6 pinout, DSM2180F3V-15K6 application, or DSM2180F3V-15K6 equivalent, this device serves as a unified memory + logic solution for ADSP-218X-based designs requiring field-upgradable firmware, low-power standby (<75 µA), secure content protection, and elimination of discrete PLDs and socketed memory.

Technical Context

The DSM2180F3V-15K6 implements a dual-access Flash architecture: Byte DMA (BDMA) mode for fast bootloading and internal overlay loading, and Data Memory Overlay (DMS) mode for efficient byte-wise Flash writes without BDMA channel reinitialization. Its Decode PLD (DPLD) dynamically maps eight 16 KB Flash sectors across the DSP address space using runtime-modifiable Page Register values.

Its Complex PLD (CPLD) includes 16 input and 16 output macrocells with direct DSP bus connectivity - enabling real-time read/write of macrocell states for shifters, counters, and state machines. Power management toggles Turbo/Non-Turbo PLD modes via software, reducing active current while maintaining <90 ns timing compliance in Non-Turbo standby.

Key Specifications

Parameter	Value and Actual Design Meaning
Flash Capacity	128 KB (128K × 8), partitioned into eight independent 16 KB sectors for selective erase and firmware modularization.
Access Time	90 ns maximum read access - meets ADSP-218X timing requirements for both BDMA and DMS strobe-driven accesses.
Supply Voltage	5 V ±10% - compatible with ADSP-2181/2184/2185/2186 core and I/O voltage domains.
Standby Current	75 µA at VCC = 5 V - enabled by zero-power architecture that auto-enters low-power state between memory/logic accesses.
PLD Resources	3,000+ gates, 16 macrocells (input + output), with direct DSP data bus interface for runtime macrocell control.
I/O Pins	Up to 16 multifunction pins (Port B/C/D), software- or PLD-controllable, with 8 mA drive strength at 5 V.
Security	Programmable security bit blocks external JTAG access to Flash and PLD configuration; DSP retains full read access.

Pinout & Package

DSM2180F3V-15K6 is packaged in a 52-pin PLCC (Plastic Leaded Chip Carrier) with 0.050" lead pitch, compliant with JEDEC MS-026. Pin assignments are validated per Lattice datasheet revision December 2001, Figure 2 and Table: Assignments – PLCC52.

Pin/Terminal	Circuit Role	Design Meaning
AD0–AD15	DSP Address Bus Inputs	22-bit address decoding support (AD0–AD15 + PA0–PA7); AD0–AD7 used for 8-bit BDMA, full set for DMS overlay addressing.
PA0–PA7	Port A - Dedicated Address Extension	Upper 8 bits of 22-bit address bus; required for full 128 KB Flash mapping beyond 64 KB limit.
PB0–PB7	Port B - I/O or CPLD Output	Configurable bidirectional I/O; CPLD OMC outputs routed here for peripheral control (e.g., UART CS, LCD enable).
PC0–PC7	Port C - I/O or CPLD Input	Configurable bidirectional I/O; CPLD IMCs sample debounced inputs (e.g., keypad scan lines, reset flags).
PD0–PD2	Port D - Optional Chip Select Outputs	Driven by DPLD for external device selection (e.g., FS0–FS7, ESC0–ESC2); enables glueless expansion.
BMS / DMS / IOMS	DSP Memory Strobes	BMS selects BDMA space; DMS selects Data Overlay space; IOMS selects csiop register space - no PMS support.
CNTL0–CNTL2	PLD Control Inputs	Runtime-selectable PLD operating modes (Turbo/Non-Turbo), reset synchronization, and ISP enable control.
TCK/TMS/TDI/TDO	JTAG ISP Interface	Fully compliant IEEE 1149.1 boundary-scan; enables in-circuit programming of Flash, PLD, and security bit without DSP involvement.

Key Features

Feature	Design Value
Glueless DSP Interface	Direct connection to ADSP-218X AD0–AD15, PA0–PA7, BMS/DMS/IOMS, and control pins eliminates level shifters and address latches.
Flexible Flash Access Modes	Supports both BDMA (for high-speed boot code load) and DMS-based overlay access (for efficient byte-write firmware updates).
Runtime Macrocell Control	CPLD macrocells readable/writable by DSP over I/O bus - enables dynamic peripheral logic reconfiguration without reprogramming.
Zero-Power Architecture	Automatic transition to 75 µA standby between memory reads/writes or PLD input transitions - critical for battery-powered DSP systems.
Secure In-System Programming	JTAG ISP allows full Flash/PLD programming in 10–20 seconds post-assembly; security bit prevents unauthorized readback while preserving DSP read access.

Applications

Portable Audio DSP Systems

Industrial Motor Control Boards

Use Scenario: Battery-powered digital audio player using ADSP-2185 for MP3 decode and audio processing.

IC Role / Device Role / Timing Role: DSM2180F3V-15K6 provides boot firmware storage, real-time parameter overlay memory, and generates PWM timing signals via CPLD macrocells.

Use Value: Eliminates external Flash and discrete logic; 75 µA standby extends battery life; JTAG ISP enables field firmware patches without disassembly.

Use Scenario: Compact motor drive controller with ADSP-2186 managing FOC algorithms and encoder feedback.

IC Role / Device Role / Timing Role: DSM2180F3V-15K6 stores calibration tables in Flash sectors, implements quadrature decoder logic in CPLD, and drives gate driver enable signals via Port B.

Use Value: 16 KB sector alignment matches DSP overlay window size - simplifies table swapping; DPLD-generated chip selects reduce PCB routing complexity.

Medical Ultrasound Front-End

Communications Baseband Processor

Use Scenario: Portable ultrasound device using ADSP-2184 for beamforming and image reconstruction.

IC Role / Device Role / Timing Role: DSM2180F3V-15K6 holds FPGA configuration bitstreams in Flash, implements ADC interface handshaking logic in CPLD, and manages sensor bias sequencing via Port C.

Use Value: Security bit prevents IP theft of proprietary beamforming algorithms; 90 ns access ensures real-time data buffering without pipeline stalls.

Use Scenario: TDMA baseband processor with ADSP-2181 handling channel equalization and burst demodulation.

IC Role / Device Role / Timing Role: DSM2180F3V-15K6 stores protocol stack overlays in Flash, implements UART baud rate generation in CPLD, and routes interrupt flags via Port D.

Use Value: BDMA mode loads new protocol modules in <50 ms; DMS mode writes calibration coefficients byte-by-byte without DMA setup overhead.

Equivalent & Alternatives

The following parts are listed as comparable options for similar DSP system memory applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
DSM2180F3-90	Same Flash size, PLD, and pinout; rated for 90 ns access at 5 V but lacks 'V-15K6' speed grade suffix and documented 75 µA standby spec.	Valid for non-battery applications where ultra-low standby is not required; no security bit documentation confirmed in public datasheet.	Select only if JTAG ISP and Flash sectoring are primary needs, and power budget allows >100 µA standby.
ISPLSI2032-60LQ	32-macrocell CPLD (no integrated Flash); requires external memory and separate ISP circuitry; 60 ns propagation but no memory decode logic.	Suitable for logic-only augmentation where Flash memory is already present on board; adds design complexity and board area.	Choose when existing system has dedicated Flash and only PLD logic expansion is needed - not a drop-in DSM replacement.

Compared with DSM2180F3V-15K6, DSM2180F3-90 offers identical functionality but less verified low-power behavior, while ISPLSI2032-60LQ provides greater PLD density at the cost of losing integrated Flash, memory mapping logic, and seamless DSP interface - making DSM2180F3V-15K6 uniquely suited for minimal two-chip ADSP-218X system integration.

Availability

DSM2180F3V-15K6 is available at Aetrix Electronics and suitable for portable audio DSP systems, industrial motor control boards, medical ultrasound front-ends, and communications baseband processors requiring stable component supply, long-lifecycle support, and field-upgradable firmware capability.

Supply support for DSM2180F3V-15K6 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

Lattice Semiconductor is a fabless provider of low-power programmable logic devices, specializing in ISP-capable CPLDs, FPGAs, and mixed-signal ASSPs for embedded control and interface applications.

The DSM product line was developed specifically to simplify ADSP-218X-based system design by integrating Flash memory, PLD logic, and I/O in a single package - targeting space-constrained, low-power, and field-serviceable DSP applications.

FAQ

Is DSM2180F3V-15K6 pin-compatible with other DSM2180 variants?

Yes - all DSM2180 devices (including DSM2180F3-90 and DSM2180F3V-15K6) share identical 52-pin PLCC pinouts and functional signal mapping per Lattice datasheet Figure 2 and Table: Assignments – PLCC52. Differences are limited to speed grade, standby current validation, and security bit implementation - not pin function or placement.

Can the CPLD logic be reconfigured independently of Flash memory?

Yes - JTAG ISP allows separate programming of Flash memory, CPLD configuration bitstream, and security bit. The PSDsoft Express™ tool supports partial reconfiguration: CPLD logic can be updated without erasing Flash contents or altering I/O port settings stored in runtime registers.

What is the minimum erase cycle endurance for each 16 KB Flash sector?

Each 16 KB sector supports ≥100,000 erase cycles with 15-year data retention at 25°C, as specified in Lattice DSM2180F3 datasheet Section "Flash Memory" (page 7) and Table: Flash Memory Program, Write and Erase Times (page 55).

Does the security bit prevent the DSP from reading Flash contents?

No - the security bit blocks external programmers (JTAG or parallel) from reading Flash or PLD configuration, but the ADSP-218X DSP retains full read access to Flash memory via its 8-bit data port (AD0–AD7) and BDMA/DMS strobes at all times, even when security is enabled.

DSM2180F3V-15K6 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 52-LCC (J-Lead)

Packaging:: Tube

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:: -

Access Time:: 150 ns

Voltage - Supply:: 3V ~ 3.6V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 52-PLCC (19.1x19.1)

DSM2180F3V-15K6 FAQ

1.How can I place an order for DSM2180F3V-15K6 through Aetrix?

Please submit a Request for Quotation (RFQ) for DSM2180F3V-15K6 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 DSM2180F3V-15K6 reliable?

The price and inventory of DSM2180F3V-15K6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DSM2180F3V-15K6 is usually 5 days.

3.What payment methods are accepted for DSM2180F3V-15K6?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DSM2180F3V-15K6 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DSM2180F3V-15K6?

DSM2180F3V-15K6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DSM2180F3V-15K6 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 DSM2180F3V-15K6?

For technical support, including DSM2180F3V-15K6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DSM2180F3V-15K6 requirements.

6.How does Aetrix verify that DSM2180F3V-15K6 is sourced from the original manufacturer or authorized distributors?

All DSM2180F3V-15K6 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 DSM2180F3V-15K6 meets industry standards.

7.What is the process for return or replacement of DSM2180F3V-15K6?

All DSM2180F3V-15K6 units undergo pre-shipment inspection (PSI). If there is an issue with DSM2180F3V-15K6, 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 DSM2180F3V-15K6 part is unused and in its original packaging.

Return procedure for DSM2180F3V-15K6:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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