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參數(shù)資料
| 型號： | M41T11MH6E |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | REAL TIME CLOCK, PDSO28 |
| 封裝： | 0.330 INCH, LEAD FREE, PLASTIC, SOH-28 |
| 文件頁數(shù)： | 26/30頁 |
| 文件大?。?/td> | 250K |
| 代理商： | M41T11MH6E |
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M41T11
Description
1
Description
The M41T11is a low-power serial real time clock with 56 bytes of NVRAM. A built-in
32.768 kHz 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 bidirectional 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 50 mA/h 3 V lithium cell. The
M41T11 is supplied in 8-lead plastic small outline package or 28-lead SNAPHAT package.
The 28-pin, 330 mil 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
AI01000
OSCI
VCC
M41T11
VSS
SCL
OSCO
SDA
FT/OUT
VBAT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M41T315V-85MH6TR | REAL TIME CLOCK, PDSO28 |
| M41T315W-85MH6TR | REAL TIME CLOCK, PDSO28 |
| M41T315V-85MQ6 | REAL TIME CLOCK, PDSO16 |
| M41T315V-85MQ6TR | REAL TIME CLOCK, PDSO16 |
| M41T315V-85MH6E | REAL TIME CLOCK, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41T11MH6F | 功能描述:實時時鐘 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH: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 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41T11MH6F-CUT TAPE | 制造商:ST 功能描述:M41T11 Series 2 to 5.5 V Serial I2C Real Time Clock Surface Mount - SOH-28 |
| M41T11MH6TR | 制造商:STMicroelectronics 功能描述:REAL TIME CLOCK SERL 64BYTE 28PIN SOH - Tape and Reel |
| M41T11SH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 bit 64b x8 Serial Access TIMEKEEPER SRAM |
| M41T256Y | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32K x8 SERIAL RTC |
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