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M41T11M6E

更新时间： 2024-02-07 21:45:25

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		时钟
页数	文件大小	规格书
29页	232K
描述
Serial Real Time Clock with 56 Bytes of NVRAM

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技术参数
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M41T11M6E 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	SOP, SOP8,.25	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.19
最大时钟频率：	0.032 MHz	外部数据总线宽度：
信息访问方法：	I2C	中断能力：	N
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e4
长度：	4.9 mm	端子数量：	8
计时器数量：		最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP8,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	2/5.5 V
认证状态：	Not Qualified	座面最大高度：	1.75 mm
子类别：	Timer or RTC	最大供电电压：	5.5 V
最小供电电压：	2 V	标称供电电压：	3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	最短时间：	SECONDS
处于峰值回流温度下的最长时间：	NOT SPECIFIED	易失性：	YES
宽度：	3.9 mm	uPs/uCs/外围集成电路类型：	TIMER, REAL TIME CLOCK
Base Number Matches：	1

M41T11M6E 数据手册

M41T11

Summary description

The M41T11is a low power Serial Real Time Clock with 56 bytes of NVRAM. A built-in

32.768kHz oscillator (external crystal controlled) and the first 8 bytes of the RAM are used

for the clock/calendar function and are configured in binary coded decimal (BCD) format.

Addresses and data are transferred serially via a two-line bi-directional bus. The built-in

address register is incremented automatically after each write or read data byte.

The M41T11 clock has a built-in power sense circuit which detects power failures and

automatically switches to the battery supply during power failures. The energy needed to

sustain the RAM and clock operations can be supplied from a small lithium coin cell.

Typical data retention time is in excess of 5 years with a 50mA/h 3V lithium cell. The

M41T11 is supplied in 8 lead Plastic Small Outline package or 28 lead SNAPHAT package.

The 28-pin, 330mil SOIC provides sockets with gold plated contacts at both ends for direct

connection to a separate SNAPHAT housing containing the battery and crystal. The unique

design allows the SNAPHAT battery package to be mounted on top of the SOIC package

after the completion of the surface mount process. Insertion of the SNAPHAT housing after

reflow prevents potential battery and crystal damage due to the high temperatures required

for device surface-mounting. The SNAPHAT housing is keyed to prevent reverse insertion.

The SOIC and battery/crystal packages are shipped separately in plastic anti-static tubes or

in Tape & Reel form.

For the 28-lead SOIC, the battery/crystal package (i.e. SNAPHAT) part number is “M4Txx-

BR12SH” (see Table 16 on page 27).

Caution:

Do not place the SNAPHAT battery/crystal package “M4Txx-BR12SH” in conductive foam

since this will drain the lithium button-cell battery.

Figure 1.

Logic diagram

BAT

OSCO

SDA

OSCI

SCL

M41T11

FT/OUT

AI01000

5/29

1 2 3 456 7 8...29

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M41T11MH6E	STMICROELECTRONICS	Serial Real Time Clock with 56 Bytes of NVRAM	获取价格
M41T11MH6F	STMICROELECTRONICS	Serial Real Time Clock with 56 Bytes of NVRAM	获取价格

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