M41ST85W_11 STMICROELECTRONICS [STMicroelectronics], M41ST85W_11 Datasheet - Page 7

• Manufacturer Part Number: M41ST85W_11
• Description: 3.0/3.3 V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M41ST85W
Caution:
M4T28-BR12SH1 (48 mAh) and M4T32-BR12SH1 (120 mAh). For the extended
temperature requirement, the 120 mAh M4T32-BR12SH6 is available. For more information,
see
Do not place the SNAPHAT
lithium button-cell battery.
The 300 mil SOX embedded crystal SOIC typically requires a user-supplied battery for non-
volatile operation. Capacitor backup can also be implemented with this package.
Figure 1.
1. For 28-pin, 300 mil embedded crystal SOIC only.
Table 21 on page
Logic diagram
40.
RSTIN1
RSTIN2
SDA
SCL
WDI
®
PFI
EX
battery/crystal top in conductive foam, as this will drain the
Doc ID 7531 Rev 11
V CC
M41ST85W
V SS
V BAT (1)
E CON
RST
IRQ/FT/OUT
SQW
PFO
V OUT
AI03658
Description
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