DS1245Y-70

Name: DS1245Y-70
Brand: Maxim Integrated
Rating: 4.5 (10 reviews)
Author: Lisleapex

NVSRAM (Non-Volatile SRAM) Memory IC 1Mbit Parallel 70 ns 32-EDIP

5,460 Effective Inventory

DS1245Y-70

Effective Inventory5,460

NVSRAM (Non-Volatile SRAM) Memory IC 1Mbit Parallel 70 ns 32-EDIP

Manufacturer Part # : DS1245Y-70
Package/Case: EDIP-32
Brand: Maxim Integrated
Product Categories : Memory
Series : DS1245Y

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DS1245Y-70 DataSheet

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DS1245Y-70 Details

The DS1245Y-70 is a non-volatile SRAM (NVRAM) from Analog Devices, designed for reliable data storage in industrial and automotive applications. This device features automatic data protection during power loss, unlimited write cycles, and low-power CMOS operation. It is suitable for systems requiring high reliability, durability, and fast data access.

Pinout

VCC: Power supply pin (5V)
GND: Ground pin
DQ0-DQ15: Data bus pins (16-bit parallel interface)
/CE: Chip enable input pin
/OE: Output enable input pin
/WE: Write enable input pin

Key Features

Automatic Data Protection: Ensures data integrity during power loss and recovery.
Unlimited Write Cycles: Supports repeated write operations without degradation.
Low-Power CMOS Operation: Reduces power consumption for battery-powered applications.
Fast Data Access: Offers fast read and write speeds for efficient data transfer.

Applications

Industrial Automation: Suitable for industrial control systems, process monitoring, and data logging applications.
Automotive Systems: Used in automotive electronics, such as engine control units, transmission control modules, and infotainment systems.
Medical Devices: Applied in medical devices, including patient monitors, defibrillators, and insulin pumps.

Where to Use

The DS1245Y-70 is suitable for applications requiring reliable data storage, fast access, and low power consumption. It is ideal for systems operating in harsh environments, such as industrial automation, automotive electronics, and medical devices.

How to Use

To use the DS1245Y-70, connect the VCC pin to a 5V power supply, GND to ground, and DQ0-DQ15 to your system's data bus. Set /CE high for normal operation, /OE low for output enable, and /WE low for write enable. Refer to the datasheet for detailed usage instructions.

Application Circuit

The application circuit diagram for the DS1245Y-70 illustrates how to connect the NVRAM to your system's data bus and power supply. It includes connections for VCC, GND, DQ0-DQ15, /CE, /OE, and /WE pins, ensuring proper operation and reliable data storage.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

DS1245Y-50: A similar NVRAM from Analog Devices offering comparable features and performance.
ST-M50PE80A: An alternative NVRAM from STMicroelectronics with equivalent functionality.

Complementary

The DS1245Y-70 can be complemented by the DS1245Y-50, which offers additional features such as higher storage capacity and faster access times, suitable for more demanding applications.

When selecting complementary NVRAMs, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	NVRAM	Package / Case	EDIP-32
Interface Type	Parallel	Memory Size !	1 Mbit
Organization	128 k x 8	Data Bus Width	8 bit
Access Time	70 ns	Supply Voltage - Max	5.5 V
Supply Voltage - Min	4.5 V	Operating Supply Current	85 mA
Minimum Operating Temperature	0 C	Maximum Operating Temperature !	+ 70 C
Series	DS1245Y	Brand	Analog Devices / Maxim Integrated
Height	10.92 mm	Length	44.19 mm
Mounting Style	Through Hole	Operating Supply Voltage !	5 V
Product Type !	NVRAM	Factory Pack Quantity	11
Subcategory	Memory & Data Storage	Type	NVSRAM
Width	18.8 mm	Part # Aliases	DS1245Y

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification DS1245Y-70 PDF Download

FAQs

What is DS1245Y-70?

The DS1245Y-70 is a 1024k NV SRAM (non-volatile static random access memory) IC with a 70ns access time, manufactured by Maxim Integrated. It combines the features of a conventional SRAM with a non-volatile element to provide data retention even when power is removed, making it ideal for applications requiring both high-speed access and non-volatile data storage.

How Does DS1245Y-70 Work?

The DS1245Y-70 operates as a non-volatile memory device with a static random access memory core. It uses a small onboard lithium battery to retain data when the main power source is removed. This allows the DS1245Y-70 to function as a high-speed read/write memory while providing data retention capabilities without the need for a separate non-volatile memory device.

How Many Pins does DS1245Y-70 have and What are the Functions of the Pinout Configuration?

The DS1245Y-70 is housed in a 32-pin EDIP (Extended Dual Inline Package) package. The pinout configuration includes:

Address Pins: Pins for specifying the memory address for read and write operations.
Data Pins: Input and output pins for the data used by the memory.
Control Pins: Pins for controlling the memory operations, such as chip enable, output enable, and write enable.
Battery Pins: Pins for connecting the onboard lithium battery for data retention.

What are the Pros and Cons of DS1245Y-70?

Pros:

High-Speed Access: Provides fast access times suitable for high-performance systems.
Non-Volatile Data Storage: Retains data even when the main power is removed, eliminating the need for external non-volatile memory components.
Standard Package: The 32-pin EDIP package allows for easy integration into existing designs.
Reliable Data Retention: The onboard lithium battery provides long-term data retention without the need for frequent battery replacements.

Cons:

Battery Maintenance: Requires periodic replacement of the onboard lithium battery to ensure continuous data retention.
Limited Endurance: The non-volatile element may have limited write/erase cycles compared to traditional SRAM.
Package Size: The 32-pin EDIP package may be larger than alternative package options.

Are There Any Equivalents/Alternatives to DS1245Y-70 for Recommendation?

The M48Z02 from STMicroelectronics is a comparable 1024k NV SRAM with similar non-volatile features.
Alternatives to the DS1245Y-70 include the FM1608 from Cypress Semiconductor and the CAT28C256 from ON Semiconductor.