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M48T35Y-70PC1

Name: M48T35Y-70PC1
Rating: 4.7 (12 reviews)

IC RTC CLK/CALENDAR PAR 28DIP

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製造商。部分 #M48T35Y-70PC1
包 DIP-28
資料表 M48T35Y-70PC1 DataSheet
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規格

Package	Tube
Series	Timekeeper®
ProductStatus	Active
Type	Clock/Calendar
Features	Leap Year
TimeFormat	HH:MM:SS (24 hr)
DateFormat	YY-MM-DD-dd
Interface	Parallel
Voltage-Supply	4.5V ~ 5.5V
Current-Timekeeping(Max)	2mA @ 4.75V ~ 5.5V
OperatingTemperature	0°C ~ 70°C
MountingType	Through Hole
Package/Case	28-DIP Module (0.600, 15.24mm)

概述

Description

The M48T35Y-70PC1 is a real-time clock (RTC) integrated circuit (IC) that provides time and date information. It features a low-power CMOS technology, allowing it to operate efficiently in battery-powered applications. The device includes a built-in oscillator and a timekeeping mechanism, making it suitable for various applications, including consumer electronics, industrial systems, and communication equipment.
Key features include:
- Timekeeping Functionality: It maintains accurate time and date, supporting seconds, minutes, hours, day, month, and year.
- Power Supply: Operates on a wide voltage range, typically 3V to 5V.
- Non-volatile Memory: Stores user-configurable settings and data, retaining information even when power is lost.
- I2C Interface: Facilitates easy communication with microcontrollers and other devices.
The M48T35Y-70PC1 is essential for applications requiring precise time tracking and low power consumption, making it a popular choice in various electronic designs.

Features

The M48T35Y-70PC1 is a low-power, battery-backed RAM with a capacity of 64K bits (8KB). Key features include:
1. Non-volatile Storage: Retains data without power due to its integrated lithium battery.
2. Access Time: Offers a fast access time of 70 ns, making it suitable for speed-sensitive applications.
3. Single +5V Supply: Operates with a single 5V power supply, simplifying circuit design.
4. Serial I/O with 8-bit Data Bus: Supports 8-bit data transfers, allowing easy integration with microcontrollers.
5. Read/Write Capability: Facilitates both read and write operations, ideal for dynamic data storage.
6. Temperature Range: Suitable for commercial applications with a typical temperature range of 0°C to 70°C.
7. Compact Package: Available in a 28-pin PDIP package for easy mounting on PCBs.
This combination of features makes the M48T35Y-70PC1 suitable for applications requiring reliable data retention and easy interfacing with standard systems.

Package

The M48T35Y-70PC1 is packaged in a 28-pin DIP (Dual In-line Package) format. This type of package is commonly used for integrated circuits, allowing for easy mounting on printed circuit boards.

Pinout

The M48T35Y-70PC1 is a real-time clock (RTC) and SRAM device with a pin count of 28. It combines a non-volatile SRAM with a timekeeping function, allowing it to maintain time and date even in the absence of power.
### Pin Functions:
1. VCC: Power supply for SRAM and RTC.
2. GND: Ground connection.
3. A0-A11: Address inputs for SRAM access.
4. D0-D7: Data inputs/outputs for SRAM.
5. WE: Write enable for SRAM.
6. OE: Output enable for SRAM.
7. CE: Chip enable for SRAM.
8. SQW: Square wave output for RTC.
9. IRQ: Interrupt request output.
10. TC: Timekeeping control.
11. RST: Reset input.
12. Vbat: Backup battery input for timekeeping.
The device is commonly used in applications requiring low power consumption and timekeeping accuracy, such as embedded systems and battery-operated devices.

Manufacturer

The M48T35Y-70PC1 is manufactured by Mitsubishi Electric Corporation, a prominent global company based in Japan. Mitsubishi Electric is a diversified manufacturer of electrical and electronic equipment, known for its high-quality products across various sectors including automotive, industrial automation, information technology, and consumer electronics. Founded in 1921, the company has a strong reputation for innovation and technological advancement, focusing on areas like energy efficiency, sustainability, and smart technologies. They are part of the larger Mitsubishi Group, which encompasses multiple industries and services worldwide.

Application

The M48T35Y-70PC1 is a real-time clock (RTC) with a battery backup feature, commonly used in applications requiring timekeeping and date tracking. Typical areas include computer systems, industrial automation, telecommunications, consumer electronics, and any devices needing time-stamped data or scheduling functions. Its ability to retain time during power outages makes it suitable for embedded systems and smart devices.

Equivalent

The M48T35Y-70PC1 chip is a real-time clock (RTC) and SRAM combination. Equivalent products include the M48T35Y-70PC1 from STMicroelectronics, DS12887 from Maxim Integrated, and the M48T58Y from STMicroelectronics. Other alternatives may include similar RTC/SRAM combinations from manufacturers like Microchip, NXP, and others, but compatibility should be verified based on specific application requirements, pin configuration, and features.