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位置:M41ST87YMX6 > M41ST87YMX6詳情

M41ST87YMX6中文資料

廠家型號

M41ST87YMX6

文件大小

733.27Kbytes

頁面數(shù)量

42

功能描述

5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection

實時時鐘 Serial 1280(160x8)

數(shù)據(jù)手冊

原廠下載下載地址一下載地址二到原廠下載

簡稱

STMICROELECTRONICS意法半導(dǎo)體

生產(chǎn)廠商

STMicroelectronics

中文名稱

意法半導(dǎo)體集團官網(wǎng)

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M41ST87YMX6數(shù)據(jù)手冊規(guī)格書PDF詳情

Description

The M41ST87Y/W secure serial RTC and NVRAM supervisor is a low power 1280-bit, static CMOS SRAM organized as 160 bytes by 8 bits. A built-in 32.768 kHz oscillator (internal crystal-controlled) and 8 bytes of the SRAM (see Table 7 ) are used for the clock/calendar function and are configured in binary coded decimal (BCD) format.

An additional 11 bytes of RAM provide calibration, status/control of alarm, watchdog, tamper, and square wave functions. 8 bytes of ROM and finally 128 bytes of user RAM are also provided. Addresses and data are transferred serially via a two line, bidirectional I2C interface. The built-in address register is incremented automatically after each WRITE or READ data byte. The M41ST87Y/W has a built-in power sense circuit which detects power failures and automatically switches to the battery supply when a power failure occurs. The energy needed to sustain the SRAM and clock operations can be supplied by a small lithium button-cell supply when a power failure occurs.

Features

■ 5.0, 3.3, or 3.0 V operation

■ 400 kHz I2C bus

■ NVRAM supervisor to non-volatize external LPSRAM

■ 2.5 to 5.5 V oscillator operating voltage

■ Automatic switchover and deselect circuitry

■ Choice of power-fail deselect voltages

– M41ST87Y:

THS = 1: VPFD≈ 4.63 V; VCC = 4.75 to 5.5 V

THS = 0: VPFD≈ 4.37 V; VCC = 4.5 to 5.5 V

– M41ST87W:

THS = 1: VPFD ≈ 2.9 V; VCC = 3.0 to 3.6 V

THS = 0: VPFD ≈ 2.63 V; VCC = 2.7 to 3.6 V

■ Two independent power-fail comparators

(1.25 V reference)

■ Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century

■ 128 bytes of clearable, general purpose NVRAM

■ Programmable alarm and interrupt function

(valid even during battery backup mode)

■ Programmable watchdog timer

■ Unique electronic serial number (8-byte)

■ 32 kHz frequency output available upon power on

■ Microprocessor power-on reset output

■ Battery low flag

■ Ultra-low battery supply current of 500 nA (typ)

Security features

■ Tamper indication circuits with timestamp and RAM clear

■ LPSRAM clear function (TPCLR)

■ Packaging includes a 28-lead, embedded crystal SOIC and a 20-lead SSOP

■ Oscillator stop detection

M41ST87YMX6產(chǎn)品屬性

  • 類型

    描述

  • 型號

    M41ST87YMX6

  • 功能描述

    實時時鐘 Serial 1280(160x8)

  • RoHS

  • 制造商

    Microchip Technology

  • 功能

    Clock, Calendar. Alarm RTC

  • 總線接口

    I2C

  • M

    Y

  • MM

    SS RTC

  • 存儲容量

    64 B

  • 電源電壓-最大

    5.5 V

  • 電源電壓-最小

    1.8 V

  • 最大工作溫度

    + 85 C

  • 安裝風(fēng)格

    Through Hole

  • 封裝/箱體

    PDIP-8

  • 封裝

    Tube

更新時間:2025-7-17 15:48:00
供應(yīng)商 型號 品牌 批號 封裝 庫存 備注 價格
STMicroelectronics
24+
28-SOX
35200
一級代理/放心采購
STMicroelectronics
25+23+
28-SOIC28-SOH(8.48
18615
絕對原裝正品全新進口深圳現(xiàn)貨
STMicroelectronics
25+
28-SOIC(0.295 7.50mm 寬)
9350
獨立分銷商 公司只做原裝 誠心經(jīng)營 免費試樣正品保證
ST專家
2021+
SOP-28
6800
原廠原裝,歡迎咨詢
ST
2015+
SOP/DIP
19889
一級代理原裝現(xiàn)貨,特價熱賣!
ST
23+
SOP28
9526
ST
24+
20994
ST
24+
SOX-28
6230
只做原裝正品
ST
24+
SOP28
5000
只做原裝公司現(xiàn)貨
STM
2020+
SOP28
4500
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可

M41ST87YMX6TR 價格

參考價格:¥0.0000

型號:M41ST87YMX6TR 品牌:STMICROELECTRONICS 備注:這里有M41ST87YMX6多少錢,2025年最近7天走勢,今日出價,今日競價,M41ST87YMX6批發(fā)/采購報價,M41ST87YMX6行情走勢銷售排排榜,M41ST87YMX6報價。

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STMicroelectronics 意法半導(dǎo)體集團

中文資料: 162405條

意法半導(dǎo)體 (STMicroelectronics) 成立于1987年,總部位于瑞士日內(nèi)瓦和法國巴黎,是一家全球領(lǐng)先的半導(dǎo)體公司。意法半導(dǎo)體專注于設(shè)計、制造和銷售各種半導(dǎo)體解決方案,產(chǎn)品廣泛應(yīng)用于汽車、工業(yè)、消費電子、通信等領(lǐng)域。 意法半導(dǎo)體的產(chǎn)品包括微控制器、模擬集成電路、功率半導(dǎo)體、傳感器等。公司擁有多個研發(fā)中心和生產(chǎn)基地,致力于技術(shù)創(chuàng)新和研發(fā)投入。意法半導(dǎo)體在全球范圍內(nèi)擁有廣泛的客戶群和合作伙伴,為客戶提供高品質(zhì)的產(chǎn)品和解決方案。 公司的使命是通過半導(dǎo)體技術(shù)推動智能化和可持續(xù)發(fā)展,助力客戶取得成功。意法半導(dǎo)體不僅注重商業(yè)成功,還注重社會責(zé)任、環(huán)境保護和可持續(xù)經(jīng)營。企業(yè)價值觀包括創(chuàng)新、尊重