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Name: DS1245Y-120+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1245Y-120+
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated DS1245Y-120+

Part No.:: DS1245Y-120+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 32-DIP Module (0.600, 15.24mm)

Datasheet:: DS1245Y-120+.pdf

Description:: IC NVSRAM 1MBIT PARALLEL 32EDIP

In Stock:: 232

Quantity:: Add To Cart

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DS1245Y-120+ Specifications

Package/Case:
32-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
MemoryType:
Non-Volatile
MemoryFormat:
NVSRAM
Technology:
NVSRAM (Non-Volatile SRAM)
MemorySize:
1Mb (128K x 8)
MemoryInterface:
Parallel
ClockFrequency:
-
WriteCycleTime-WordPage:
120ns
AccessTime:
120 ns
Voltage-Supply:
4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C (TA)
MountingType:
Through Hole

DS1245Y-120+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1245Y-120+ price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS1245Y-120+ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS1245Y-120+ information

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DS1245Y-120+ Typical application Circuitry

DS1245Y-120+

The DS1245Y-120+ is a 1-Megabit (128k x 8) Nonvolatile SRAM designed by Maxim Integrated. This memory chip combines the access speed of SRAM with the non-volatility of EEPROM, thanks to an integrated lithium battery that maintains data retention in the absence of external power. It's an ideal solution for applications requiring fast access to data while ensuring data preservation during power loss.

Key Features and Parameters:

- High-Speed Data Access: 120 ns access time allows for swift read and write operations, facilitating speedy data storage and retrieval.

- Nonvolatile Backup: Integrated lithium battery ensures data retention for over 10 years without external power.

- Unlimited Read/Write Cycles: Unlike EEPROM, it supports an infinite number of write cycles, enhancing its reliability and lifespan.

- Large Storage Capacity: 1 Megabit of storage allows for significant data logging and configuration parameter storage.

- Robust Design: Suited for industrial applications with a wide operating temperature range.

Application Scenario: Utilizing the DS1245Y-120+ in an industrial control system to maintain critical configuration settings and operational logs, ensuring system restarts without data loss after power failures.

Circuit Design:

Designing an industrial control system with the DS1245Y-120+ requires careful consideration of its pin connections:

1. Power Supply Connection:

- VCC (typically Pin 32): Connect to the system's +5V power supply. Place decoupling capacitors near VCC to stabilize the supply, crucial for reliable operation.

2. Ground Connection:

- GND (typically Pin 16): Connect to the system's ground. A solid grounding minimizes electrical noise.

3. Data Bus Interface:

- DQ0 to DQ7 (typically Pins 8-15): Interface these pins with the data bus of the system's microcontroller or CPU. Signal integrity on the data bus is vital for accurate data transfers.

4. Address Bus Connection:

- A0 to A18 (typically Pins 1-7, 17-31, 33-34): Route these pins to the address bus for selecting specific memory addresses. Precise addressing ensures correct data storage and retrieval.

5. Control Signals:

- WE (Write Enable, typically Pin 29), CE (Chip Enable, typically Pin 22), OE (Output Enable, typically Pin 24): Control these signals for read/write operations. Proper timing of these signals is crucial for data integrity.

Design Considerations:

- Power Failure Management: Ensure the DS1245Y-120+ transitions smoothly to battery backup during power failures, preserving data integrity.

- Battery Monitoring: Implement mechanisms to monitor the health of the onboard lithium battery, maintaining nonvolatile data retention.

- EMI Protection: Given industrial environments, protect against electromagnetic interference that could disrupt data integrity.

- Access Timing: Confirm the system's timing compatibility with the DS1245Y-120+'s access time to avoid data access delays.

- Data Integrity Checks: Incorporate checksums or CRC checks to verify the integrity of stored data, especially critical in industrial control applications.

By integrating the DS1245Y-120+ into an industrial control system, designers can leverage its fast access speed and nonvolatile storage to enhance system reliability, ensuring that critical data is preserved across power interruptions. This application demonstrates the DS1245Y-120+'s capability to meet the demanding requirements of industrial applications, highlighting its role in improving system resilience and data integrity.

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6. What is the process for return or replacement of DS1245Y-120+?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS1245Y-120+.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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