DS1244Y-70+

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DS1244Y-70+

IC RTC PHANTOM CHIP PAR 28EDIP

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Spécifications

Part Status Active
DigiKey Programmable Not Verified
Type Phantom Time Chip
Features Leap Year, NVSRAM
Memory Size 32KB
Time Format HH:MM:SS:hh (12/24 hr)
Date Format YY-MM-DD-dd
Interface Parallel
Voltage - Supply 4.5V ~ 5.5V
Current - Timekeeping (Max) 10mA @ 5V
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole
Package / Case 28-DIP Module (0.600", 15.24mm)
Supplier Device Package 28-EDIP
Base Product Number DS1244

Vue d'ensemble

Description

The DS1244Y-70+ is a high-performance, low-power real-time clock (RTC) with a built-in battery backup feature, designed for use in various electronic applications. It integrates a clock/calendar function that keeps track of time and date, including leap years, and maintains accuracy with a timekeeping error of typically less than ±2 minutes per year.
The device operates with a supply voltage range and supports I2C communication, making it easy to interface with microcontrollers and other digital systems. Its features include programmable alarms, a programmable square wave output, and a user-friendly interface for setting time and alarms.
The DS1244Y-70+ is ideal for applications in consumer electronics, industrial equipment, and any system requiring reliable timekeeping. Its low power consumption extends battery life, while its compact package allows for space-efficient designs. Overall, it is a versatile component for maintaining accurate time in embedded systems.

Package

The DS1244Y-70+ is available in a 28-pin Dual In-Line Package (DIP) form factor.

Pinout

The DS1244Y-70+ is a non-volatile SRAM device with a pin count of 28 pins. Its main functions include providing battery-backed memory for data retention during power loss and enabling fast access times of up to 70 nanoseconds.
Key pin functions include:
- Address Pins (A0-A18): These pins allow for addressing up to 256K bits of memory.
- Data Pins (D0-D7): Used for data input and output.
- Chip Enable (CE): Activates the memory device.
- Output Enable (OE): Controls the output drivers.
- Write Enable (WE): Used to write data into the memory.
- Battery Voltage (Vbat): Connects to a battery for data retention.
- Power Supply (Vcc and GND): Standard power supply pins for operation.
The device is designed for applications requiring high reliability and data integrity.

Manufacturer

The DS1244Y-70+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in designing and manufacturing analog and mixed-signal integrated circuits (ICs) for various applications, including communications, automotive, consumer electronics, and industrial sectors. The company is known for its innovative solutions and high-performance products, particularly in the areas of power management, signal processing, and data conversion.

Application

The DS1244Y-70+ is a real-time clock (RTC) and SRAM combination chip, commonly used in applications requiring timekeeping and data storage. Typical application areas include telecommunications, networking equipment, industrial control systems, consumer electronics, automotive systems, and medical devices. It provides backup power during outages, ensuring data integrity and accurate timekeeping, making it suitable for systems that demand reliable performance.

Equivalent

The DS1244Y-70+ is a battery-backed SRAM with a 70 ns access time. Equivalent products include the DS1245Y-70+ and the DS1246Y-70+, which also offer similar functionality but may differ in density or package type. Alternatives from other manufacturers might include the Cypress CY62167EV30, STMicroelectronics M41T00, or the Microchip MCP6542, depending on specific requirements like speed, voltage, and memory size. Always verify compatibility with your specific application before substitution.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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