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Analog Devices Inc./Maxim Integrated DS1350YP-70
- Part No.:
- DS1350YP-70
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Memory
- Package:
- 34-PowerCap™ Module
- Datasheet:
-
DS1350YP-70.pdf
- Description:
- IC NVSRAM 4MBIT PAR 34PWRCAP
- Quantity:
- Payment:
- Shipping:
Inventory:847
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Product details
Overview
DS1350YP-70 from Maxim Integrated is a 4,194,304-bit (524,288 × 8) nonvolatile SRAM with integrated lithium battery backup, ±10% VCC operating range (4.5V–5.5V), 70ns access time, and industrial-grade temperature support (–40°C to +85°C). It functions as a drop-in replacement for 512k × 8 SRAM, EEPROM, or Flash in mission-critical data logging systems requiring guaranteed retention during power loss.
For engineers reviewing the DS1350YP-70 datasheet, DS1350YP-70 pinout, DS1350YP-70 application, or DS1350YP-70 equivalent, key selection considerations include its PowerCap Module (PCM) package compatibility with DS9034PC+, open-drain RST/BW outputs, automatic VCC-fail detection, battery health monitoring at 24-hour intervals, and write-protection activation at 4.25V.
Technical Context
The DS1350YP-70 implements a self-contained power-switching architecture that disconnects the internal lithium cell until first VCC application, then automatically engages it when VCC falls below ~2.7V. Its control logic enforces unconditional write protection during brownout, places all inputs in "don't care" state, and forces outputs to high-impedance.
It features dual open-drain status outputs: RST asserts for 200ms at power-up and reasserts on VCC failure, while BW activates after battery voltage drops below 2.6V during daily 1-second test pulses across a 1MΩ internal load - and remains asserted until module replacement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 4,194,304 bits (524,288 × 8) - matches 512k × 8 legacy SRAM footprint and interface |
| Access Time | 70 ns - enables direct replacement in existing 70ns SRAM designs without timing margin loss |
| VCC Operating Range | 4.5V to 5.5V (±10%) - supports wide-input industrial power rails without external regulation |
| Data Retention | 10 years minimum without external power - guaranteed by controlled lithium disconnect and low-leakage design |
| Standby Current | 50 µA typical - reduces system-level quiescent power in battery-backed hold modes |
| Write Endurance | Unlimited - eliminates wear-out concerns in frequently updated logging or configuration storage |
| Temperature Range | –40°C to +85°C (IND) - qualified for extended operation in industrial control and transportation environments |
Pinout & Package
The DS1350YP-70 is housed in a 34-pin PowerCap Module (PCM) package - a surface-mountable, modular assembly requiring a separate DS9034PC+ or DS9034PCI+ snap-on PowerCap to complete the nonvolatile function. The PCM itself contains SRAM, control circuitry, and battery contacts but no battery; soldering occurs before PowerCap attachment to avoid thermal damage.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A18 | Address Inputs | 19-bit address bus supporting full 524,288-word addressing; compatible with standard SRAM controllers |
| DQ0–DQ7 | Data I/O | 8-bit bidirectional data bus with TTL-compatible levels and 2.0mA sink capability |
| CE | Chip Enable | Active-low chip select; initiates read/write cycles when combined with WE/OE; controls standby current draw |
| WE | Write Enable | Active-low write strobe; determines write start/stop edges in conjunction with CE; disables outputs if OE active |
| OE | Output Enable | Active-low output enable; required low for read access; must be high during writes to prevent bus contention |
| RST | Reset Output | Open-drain reset signal; held active 200ms at power-up and asserted on VCC failure; requires external pull-up |
| BW | Battery Warning | Open-drain battery health indicator; latched low after 2.6V threshold breach during daily 1s test; requires external pull-up |
| VCC | Power Supply | +5V supply input with ±10% tolerance; powers SRAM core and control logic; triggers automatic backup switchover below ~2.7V |
| GND | Ground | Reference return path for all signals and power; two dedicated pins (pins 16 and 34) reduce ground bounce |
Key Features
| Feature | Design Value |
|---|---|
| Lithium disconnect at first power-up | Preserves battery shelf life by electrically isolating cell until initial VCC application - extends usable service life |
| Automatic VCC fail detection | Triggers sub-2µs response to out-of-tolerance conditions, enabling reliable last-write-before-power-loss behavior |
| Daily battery voltage monitoring | Performs 1-second 1MΩ load test every 24 hours post-VCC rise; provides early warning of capacity degradation |
| Standardized PCM pinout | Ensures mechanical and electrical interoperability across Maxim's NV SRAM family - simplifies BOM consolidation |
| Write protection at 4.25V | Guarantees data integrity before VCC reaches unsafe levels - prevents partial writes during brownout recovery |
Applications
| Industrial Data Logger | Medical Device Configuration Storage |
|---|---|
Use Scenario: Continuous recording of sensor readings in remote environmental monitoring stations with intermittent AC power and backup battery. IC Role / Device Role / Timing Role: Nonvolatile SRAM holding real-time operational parameters and last-known valid measurements during grid outages. Use Value: 10-year data retention ensures integrity across multi-year deployments without maintenance or battery replacement. | Use Scenario: Storing calibration coefficients, user preferences, and fault history in portable diagnostic equipment subject to frequent power cycling. IC Role / Device Role / Timing Role: Fail-safe memory buffer preserving critical settings during unexpected shutdowns or battery swaps. Use Value: Unlimited write endurance eliminates wear-out risk from frequent recalibration and firmware updates. |
| Avionics Black Box Memory | Smart Grid Protection Relay |
Use Scenario: Capturing flight control commands and telemetry in aircraft emergency recorders where power interruption must not corrupt stored events. IC Role / Device Role / Timing Role: High-reliability memory element with deterministic write-protection and sub-2µs VCC-fail response. Use Value: 70ns access time and automatic backup engagement ensure zero-data-loss during rapid power collapse. | Use Scenario: Holding trip settings, event timestamps, and waveform buffers in utility substation relays exposed to voltage sags and lightning-induced transients. IC Role / Device Role / Timing Role: Industrial-temperature NV SRAM providing tamper-proof storage of protection logic states during grid disturbances. Use Value: –40°C to +85°C rating and ±10% VCC tolerance maintain functionality under harsh electromagnetic and thermal stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nonvolatile SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1350ABP-70IND+ | Narrower ±5% VCC range (4.75V–5.25V); higher write-protection threshold (4.5V) | Better suited for tightly regulated 5V systems where precision voltage monitoring is required | Select DS1350ABP-70IND+ when system VCC regulation meets ±5% and higher VTP margin is preferred |
| STK13C68-J15F | 15ns access time; 32-pin SOIC package; no integrated battery monitor or BW output | Lacks daily battery health reporting and open-drain warning output - requires external supervision circuitry | Choose STK13C68-J15F only when ultra-fast access dominates over autonomous battery management |
Compared with DS1350ABP-70IND+, the DS1350YP-70 offers wider supply tolerance and lower VTP for earlier write protection, while STK13C68-J15F trades autonomous monitoring for speed and simpler packaging - making DS1350YP-70 optimal for unattended industrial systems needing long-term reliability and predictive battery maintenance.
Availability
DS1350YP-70 is available at Aetrix Electronics and suitable for industrial data loggers, medical device configuration storage, avionics black box memory, and smart grid protection relays requiring stable component supply across extended product lifecycles.
Supply support for DS1350YP-70 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
Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in analog, mixed-signal, and power management ICs for industrial, automotive, and communications applications.
The DS1350Y series belongs to Maxim's nonvolatile SRAM product line, designed specifically for systems demanding seamless, autonomous data retention during unpredictable power interruptions - with integrated power monitoring, battery health tracking, and modular PowerCap packaging.
FAQ
What is the guaranteed data retention period for the DS1350YP-70?
The DS1350YP-70 guarantees a minimum of 10 years of data retention in the absence of external power. This specification accounts for cumulative time without VCC starting from first application of power and is ensured through controlled lithium cell isolation, low-leakage circuit design, and rigorous component screening - not extrapolated or estimated.
Does the DS1350YP-70 require an external PowerCap, and which one?
Yes, the DS1350YP-70 is a PowerCap Module (PCM) and requires a separate DS9034PC+ or DS9034PCI+ PowerCap to provide the lithium backup battery. The PCM contains the SRAM and control circuitry but ships without the battery; the PowerCap snaps onto the PCM after PCB reflow soldering to avoid thermal damage to the cell.
How does the battery warning (BW) output behave on the DS1350YP-70?
The BW output on the DS1350YP-70 is an open-drain signal that asserts low when the internal lithium battery voltage drops below 2.6V during its daily 1-second test pulse. Once activated, BW remains latched low until the entire PowerCap Module is replaced - even if subsequent tests show improved voltage - ensuring unambiguous end-of-life indication.
What is the purpose of the RST output on the DS1350YP-70?
The RST output on the DS1350YP-70 is an open-drain reset signal used to hold a host processor in reset during power-up transients and VCC failures. It is held active for 200ms at power-on and reasserted within 15µs of detecting VCC decay below the trip point - providing deterministic system-level power sequencing and brownout recovery.
Can the DS1350YP-70 operate outside the industrial temperature range?
No - the DS1350YP-70IND+ suffix explicitly denotes qualification for –40°C to +85°C operation. While the DS1350YP-70+ variant exists for 0°C to +70°C, the IND version is tested and guaranteed only across the industrial range. Operation outside this range may compromise data retention, timing margins, or battery monitoring accuracy and is not supported.
DS1350YP-70 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 34-PowerCap™ Module
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- NVSRAM
- Technology:
- NVSRAM (Non-Volatile SRAM)
- Memory Size:
- 4Mbit
- Memory Organization:
- 512K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 70ns
- Access Time:
- 70 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 34-PowerCap Module
DS1350YP-70 FAQ
1.How can I place an order for DS1350YP-70 through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1350YP-70 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 DS1350YP-70 reliable?
The price and inventory of DS1350YP-70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1350YP-70 is usually 5 days.
3.What payment methods are accepted for DS1350YP-70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1350YP-70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1350YP-70?
DS1350YP-70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1350YP-70 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 DS1350YP-70?
For technical support, including DS1350YP-70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1350YP-70 requirements.
6.How does Aetrix verify that DS1350YP-70 is sourced from the original manufacturer or authorized distributors?
All DS1350YP-70 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 DS1350YP-70 meets industry standards.
7.What is the process for return or replacement of DS1350YP-70?
All DS1350YP-70 units undergo pre-shipment inspection (PSI). If there is an issue with DS1350YP-70, 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 DS1350YP-70 part is unused and in its original packaging.
Return procedure for DS1350YP-70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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