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Datasheet Microchip MCP7940M-I/SN

Производитель	Microchip
Серия	MCP7940M
Модель	MCP7940M-I/SN

The MCP7940M I2CTM compatible real-time clock/calendar (RTCC) includes SRAM and a digital trimming circuit for accuracy which is normally found in higher priced devices

Datasheets

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MCP7940M Low-Cost I2C RTCC with SRAM
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MCP7940M
Low-Cost I2Cв„ў Real-Time Clock/Calendar with SRAM
Timekeeping Features: General Description: Real-Time Clock/Calendar (RTCC):
-Hours, Minutes, Seconds, Day of Week, Day,
Month, Year
-Leap year compensated to 2399
-12/24 hour modes Oscillator for 32.768 kHz Crystals:
-Optimized for 6-9 pF crystals On-Chip Digital Trimming/Calibration:
-В±1 PPM resolution
-В±129 PPM range Dual Programmable Alarms Versatile Output Pin:
-Clock output with selectable frequency
-Alarm output
-General purpose output The MCP7940M Real-Time Clock/Calendar (RTCC)
tracks time using internal counters for hours, minutes,
seconds, days, months, years, and day of week.
Alarms can be configured on all counters up to and
including months. For usage and configuration, the
MCP7940M supports I2C communications up to 400
kHz. Low-Power Features: Package Types Wide Voltage Range:
-Operating voltage range of 1.8V to 5.5V Low Typical Timekeeping Current:
-Operating from VCC: 1.2 ВµA at 3.3V User Memory: 64-byte SRAM The open-drain, multi-functional output can be
configured to assert on an alarm match, to output a
selectable frequency square wave, or as a general ...

Цены

MCP7940M-I/SN на РадиоЛоцман.Цены — от 4,32 до 49,65 руб.

Микросхема RTC; I2C; SRAM; 64Б; 1,8?5,5ВDC; SO8

Поставщик	Производитель	Наименование	Цена
AliExpress		Бесплатная доставка 4 шт. MCP7940M-I/SN IC RTC CLK/КАЛЕНДАРЬ I2C 8-SOIC Часы Реального Времени чипы	4,32 руб.
Стандарт СИЗ	Microchip	MCP7940M-I/SN	27,42 руб.
Элитан	Microchip	MCP7940M-I/SN	41,50 руб.
ДКО Электронщик	Microchip	MCP7940M-I/SN	по запросу
МосЧип	Microchip	MCP7940M-I/SN	по запросу
Все 9 предложений от 7 поставщиков »

Цены » Профессиональная электроника и электротехника

Статус

Статус продукта	В производстве (Подходит для новых разработок, но могут существовать и более новые альтернативы)

Корпус / Упаковка / Маркировка

Корпус	SOIC
Количество выводов	8

Параметры

Alarms	2 Alarms (1 sec)
Digital_Trimming	-127 to +127ppm (1 ppm steps)
Interface	I²C™
Рабочий диапазон температур	от -40 до +85 °C
Outputs	IRQ/CLK
Temperature Range	-40 to +85
Unique ID	None MAC_Address
User SRAM	64 Bytes
Vcc Range	1.8 - 5.5 В