參數(shù)資料
型號(hào)： M41T315Y-65MQ6E
廠商： STMICROELECTRONICS
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： REAL TIME CLOCK, PDSO16
封裝： 0.150 INCH, LEAD FREE, PLASTIC, SOIC-16
文件頁(yè)數(shù)： 26/30頁(yè)
文件大小： 324K
代理商： M41T315Y-65MQ6E
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
M41T315Y, M41T315V, M41T315W
Description
1
Description
The M41T315Y/V/W RTC Supervisor is a combination of a CMOS TIMEKEEPER and a
nonvolatile memory supervisor. Power is constantly monitored by the memory supervisor. In
the event of power instability or absence, an external battery maintains the timekeeping
operation and provides power for a CMOS static RAM by switching on and invoking write
protection to prevent data corruption in the memory and RTC.
The clock keeps track of tenths/hundredths of seconds, seconds, minutes, hours, day, date,
month, and year information. The last day of the month is automatically adjusted for months
with less than 31 days, including leap year correction.
The clock operates in one of two formats:
●
a 12-hour mode with an AM/PM indicator;
or
●
a 24-hour mode
The nonvolatile supervisor supplies all the necessary support circuitry to convert a CMOS
RAM to a nonvolatile memory. The M41T315Y/V/W can be interfaced with RAM without
leaving gaps in memory.
The M41T315Y/V/W is supplied in a 28-lead SOIC SNAPHAT package (which integrates
both crystal and battery in a single SNAPHAT top) or a-16 pin SOIC. 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/crystal 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 also keyed to prevent reverse insertion.
The 28-pin 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 (e.g.,
SNAPHAT) part number is “M4TXX-BR12SH” (see Table 17 on page 28).
Caution:
Do not place the SNAPHAT battery/crystal top in conductive foam, as this will drain the
lithium button-cell battery.
相關(guān)PDF資料
PDF描述
M41T315Y-65MQ6F REAL TIME CLOCK, PDSO16
M41T50Q6F 1 TIMER(S), REAL TIME CLOCK, QCC16
M41T63Q6F 1 TIMER(S), REAL TIME CLOCK, QCC16
M41T65Q6F 1 TIMER(S), REAL TIME CLOCK, QCC16
M41T64Q6F 1 TIMER(S), REAL TIME CLOCK, QCC16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M41T315Y-65MQ6F 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Phantom RTC Supervisor
M41T315Y-65MQ6TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Phantom RTC Supervisor
M41T315Y-85MH6E 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Phantom RTC Supervisor
M41T315Y-85MH6F 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial access phantom RTC supervisor
M41T315Y-85MH6TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Phantom RTC Supervisor
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