參數(shù)資料
型號(hào)： M41T256YMT7TR
廠(chǎng)商： STMICROELECTRONICS
元件分類(lèi)： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 0 TIMER(S), REAL TIME CLOCK, PDSO44
封裝： 0.330 INCH, PLASTIC, SOIC-44
文件頁(yè)數(shù)： 10/27頁(yè)
文件大?。?/td> 523K
代理商： M41T256YMT7TR
M41T256Y
18/27
MAXIMUM RATING
Stressing the device above the rating listed in the
“Absolute Maximum Ratings” table may cause
permanent damage to the device. These are
stress ratings only and operation of the device at
these or any other conditions above those indicat-
ed in the Operating sections of this specification is
not implied. Exposure to Absolute Maximum Rat-
ing conditions for extended periods may affect de-
vice
reliability.
Refer
also
to
the
STMicroelectronics SURE Program and other rel-
evant quality documents.
Table 5. Absolute Maximum Ratings
Note: 1. For SO package, standard (SnPb) lead finish: Reflow at peak temperature of 225°C (total thermal budget not to exceed 180°C for
between 90 to 150 seconds).
2. For SO package, Lead-free (Pb-free) lead finish: Reflow at peak temperature of 260°C (total thermal budget not to exceed 245°C
for greater than 30 seconds).
CAUTION: Negative undershoots below –0.3V are not allowed on any pin while in the Battery Back-up mode.
CAUTION: Do NOT wave solder SOIC to avoid damaging SNAPHAT sockets.
Symbol
Parameter
Value
Unit
TSTG
Storage Temperature (VCC Off, Oscillator Off)
SNAPHAT
–40 to 85
°C
SOIC
–55 to 125
°C
TSLD
(1)
Lead Solder Temperature for 10 seconds
260
°C
VIO
Input or Output Voltages
–0.3 to VCC + 0.3
V
VCC
Supply Voltage
–0.3 to 7.0
V
IO
Output Current
20
mA
PD
Power Dissipation
1
W
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