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MCP79520集成電路(IC)的實(shí)時(shí)時(shí)鐘規(guī)格書PDF中文資料

MCP79520
廠商型號(hào)

MCP79520

參數(shù)屬性

MCP79520 封裝/外殼為10-WFDFN 裸露焊盤;包裝為管件;類別為集成電路(IC)的實(shí)時(shí)時(shí)鐘;產(chǎn)品描述:IC RTC CLK/CALENDAR SPI 10-TDFN

功能描述

Battery-Backed SPI Real-Time Clock/Calendar
IC RTC CLK/CALENDAR SPI 10-TDFN

封裝外殼

10-WFDFN 裸露焊盤

文件大小

899.86 Kbytes

頁(yè)面數(shù)量

58 頁(yè)

生產(chǎn)廠商 Microchip Technology
企業(yè)簡(jiǎn)稱

Microchip微芯科技

中文名稱

微芯科技股份有限公司官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

原廠下載下載地址一下載地址二到原廠下載

更新時(shí)間

2025-5-19 23:00:00

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MCP79520規(guī)格書詳情

MCP79520屬于集成電路(IC)的實(shí)時(shí)時(shí)鐘。由微芯科技股份有限公司制造生產(chǎn)的MCP79520實(shí)時(shí)時(shí)鐘實(shí)時(shí)時(shí)鐘 (RTC) 為幾乎所有需要保持精確時(shí)間的電子設(shè)備提供時(shí)間和/或日期信息。時(shí)鐘類型有二進(jìn)制計(jì)數(shù)器、時(shí)鐘/日歷/監(jiān)控器、歷時(shí)計(jì)時(shí)器、幻時(shí)鐘芯片、便攜式系統(tǒng)控制器、溫度記錄器、時(shí)間事件記錄器和計(jì)時(shí)器時(shí)鐘外設(shè)。其包含 2 B 至 2 MB 不等的存儲(chǔ)器,接口選項(xiàng)有 I2C、并行、串行、SPI、1 線式、2 線式、3 線式和 4 線式。

Description

The MCP795XX Real-Time Clock/Calendar (RTCC)

tracks time using internal counters for hours, minutes,

seconds, hundredth of 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 MCP795XX supports SPI

communications up to 5 MHz.

The MCP795XX is designed to operate using a

32.768 kHz tuning fork crystal with external crystal

load capacitors. On-chip digital trimming can be used

to adjust for frequency variance caused by crystal

tolerance and temperature.

SRAM and timekeeping circuitry are powered from the

backup supply when main power is lost, allowing the

device to maintain accurate time and the SRAM

contents. The times when the device switches over to

the backup supply and when primary power returns

are both logged by the power-fail timestamp.

The MCP795XX features 128 bits of EEPROM which

is only writable after an unlock sequence, making it

ideal for storing a unique ID or other critical

information. The MCP795X1 and MCP795X2 are

preprogrammed with EUI-48 and EUI-64 addresses,

respectively. Custom programming is also available.

The MCP795XX has a shared pin for outputting a

selectable frequency square wave or alarm signals.

Timekeeping Features

? Real-Time Clock/Calendar (RTCC):

- Hours, minutes, seconds, hundredth of

seconds, day of week, date, 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:

- ±1 ppm resolution

- ±259 ppm range

? Dual Programmable Alarms

? Clock Output Function with Selectable Frequency

? Power-Fail Timestamp:

- Time logged on switchover to and from Battery mode

Low-Power Features

? Wide Voltage Range:

- Operating voltage range of 1.8V to 3.6V

- Backup voltage range of 1.3V to 3.6V

? Low Typical Timekeeping Current:

- Operating from VCC: 1.2 μA at 3.0V

- Operating from VBAT: 1.0 μA at 3.0V

? Automatic Switchover to Battery Backup

產(chǎn)品屬性

更多
  • 產(chǎn)品編號(hào):

    MCP79520T-I/MN

  • 制造商:

    Microchip Technology

  • 類別:

    集成電路(IC) > 實(shí)時(shí)時(shí)鐘

  • 包裝:

    管件

  • 類型:

    時(shí)鐘/日歷

  • 特性:

    警報(bào)器,EEPROM,閏年,方波輸出,SRAM,唯一 ID

  • 存儲(chǔ)容量:

    64B

  • 時(shí)間格式:

    HH:MM:SS:hh(12/24 小時(shí))

  • 日期格式:

    YY-MM-DD-dd

  • 接口:

    SPI

  • 電壓 - 供電:

    1.8V ~ 3.6V

  • 電壓 - 供電,電池:

    1.3V ~ 3.6V

  • 電流 - 計(jì)時(shí)(最大值):

    1μA @ 1.8V ~ 3.6V

  • 工作溫度:

    -40°C ~ 85°C

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    10-WFDFN 裸露焊盤

  • 供應(yīng)商器件封裝:

    10-TDFN(3x3)

  • 描述:

    IC RTC CLK/CALENDAR SPI 10-TDFN

供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫(kù)存 備注 價(jià)格
MICROCHIP(美國(guó)微芯)
24+
MSOP10
7350
現(xiàn)貨供應(yīng),當(dāng)天可交貨!免費(fèi)送樣,原廠技術(shù)支持!!!
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Microchip(微芯)
24+
NA/
8735
原廠直銷,現(xiàn)貨供應(yīng),賬期支持!
詢價(jià)
Microchip(微芯)
23+
23520
公司只做原裝正品,假一賠十
詢價(jià)
Microchip
24+
10MSOP
10000
全新原廠原裝,進(jìn)口正品現(xiàn)貨,正規(guī)渠道可含稅??!
詢價(jià)
Microchip
2134
SSOP
6830
一級(jí)代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力
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MICROCHIP/微芯
22+
N/A
10000
現(xiàn)貨,原廠原裝假一罰十!
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MICROCHIP(美國(guó)微芯)
2021+
MSOP-10
499
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MICROCHIP/微芯
2006
100
原裝現(xiàn)貨支持BOM配單服務(wù)
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MICROCHIP/美國(guó)微芯
22+
MSOP-10
15000
只有原裝,原裝,假一罰十
詢價(jià)
MICROCHIP/美國(guó)微芯
21+
MSOP-10
10000
全新原裝現(xiàn)貨
詢價(jià)