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M41ST85YMH中文资料PDF规格书
M41ST85YMH规格书详情
SUMMARY DESCRIPTION
The M41ST85Y/W Serial TIMEKEEPER®/Controller SRAM is a low power 512-bit, static CMOS SRAM organized as 64 words by 8 bits. A built-in 32.768 kHz oscillator (external crystal controlled) and 8 bytes of the SRAM (see Table 2., page 14) are used for the clock/calendar function and are configured in binary coded decimal (BCD) format.
FEATURES SUMMARY
■ 5.0 OR 3.0V OPERATING VOLTAGE
■ SERIAL INTERFACE SUPPORTS I2C BUS(400 KHz)
■ NVRAM SUPERVISOR FOR EXTERNAL LPSRAM
■ OPTIMIZED FOR MINIMAL INTERCONNECT TO MCU
■ 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE
■ AUTOMATIC SWITCH-OVER AND DESELECT CIRCUITRY
■ CHOICE OF POWER-FAIL DESELECT VOLTAGES
– M41ST85Y: VCC= 4.5 to 5.5V; 4.20V ≤VPFD ≤4.50V
– M41ST85W: VCC= 2.7 to 3.6V; 2.55V ≤VPFD ≤2.70V
■ 1.25V REFERENCE (for PFI/PFO)
■ COUNTERS FOR TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEAR, AND
CENTURY
■ 44 BYTES OF GENERAL PURPOSE RAM
■ PROGRAMMABLE ALARM AND INTERRUPT FUNCTION (VALID EVEN DURING BATTERY BACK-UP MODE)
■ WATCHDOG TIMER
■ MICROPROCESSOR POWER-ON RESET
■ BATTERY LOW FLAG
■ POWER-DOWN TIMESTAMP (HT BIT)
■ ULTRA-LOW BATTERY SUPPLY CURRENT OF 500nA (MAX)
■ PACKAGING INCLUDES A 28-LEAD SOIC AND SNAPHAT® TOP (to be ordered separately)
■ SOIC SNAPHAT PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP WHICH CONTAINS THE BATTERY
AND CRYSTAL
■ SOIC EMBEDDED CRYSTAL PACKAGE (MX) OPTION
Fi
Fi
产品属性
- 型号:
M41ST85YMH
- 功能描述:
IC RTC 5.0V 512BIT NVRAM 28SOIC
- RoHS:
否
- 类别:
集成电路(IC) >> 时钟/计时 - 实时时钟
- 系列:
-
- 产品培训模块:
Obsolescence Mitigation Program
- 标准包装:
1
- 类型:
时钟/日历
- 特点:
警报器,闰年,SRAM
- 存储容量:
-
- MM:
SS(12/24 小时)
- 数据格式:
YY-MM-DD-dd
- 接口:
SPI
- 电源电压:
2 V ~ 5.5 V 电压 -
- 电源,电池:
-
- 工作温度:
-40°C ~ 85°C
- 安装类型:
表面贴装
- 封装/外壳:
8-WDFN 裸露焊盘
- 供应商设备封装:
8-TDFN EP
- 包装:
管件
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ST/意法 |
23+ |
NA/ |
3445 |
原装现货,当天可交货,原型号开票 |
询价 | ||
ST/意法 |
21+ |
SOP28 |
5000 |
原装现货/假一赔十/支持第三方检验 |
询价 | ||
STMicroelectronics |
21+ |
停产 |
6000 |
正规渠道/品质保证/原装正品现货 |
询价 | ||
ST |
2020+ |
SOP-28 |
985000 |
100%进口原装正品公司现货库存 |
询价 | ||
ST |
22 |
SOH28 |
25000 |
3月31原装,微信报价 |
询价 | ||
22+ |
NA |
3000 |
加我QQ或微信咨询更多详细信息, |
询价 | |||
ST/STMicroelectronics/意法半导 |
21+ |
SOH28 |
74 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
ST |
23+ |
SOP28 |
9526 |
询价 | |||
ST |
23+ |
SOP28 |
5000 |
原装正品,假一罚十 |
询价 | ||
STM |
2021+ |
HSOP28 |
6040 |
百分百原装正品 |
询价 |