M41ST85WMH6E STMicroelectronics, M41ST85WMH6E Datasheet - Page 9

• Manufacturer Part Number: M41ST85WMH6E
• Description: IC RTC 3.0V 512BIT NVRAM 28SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST85WMH6E

• Memory Size: 64B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC, 28-SOH (8.48mm Width)
• Function: Clock/Calendar/Supervisor/Alarm
• Rtc Memory Size: 64 Byte
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (2-Wire, I2C)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2804-5; M41ST85WMH6

M41ST85W
Figure 3.
Note:
28-pin, 300 mil SOIC (MX) connections
No function (NF) pins should be tied to V
shorted together.
RSTIN1
RSTIN2
SQW
PFO
V SS
WDI
NC
NC
NC
NC
NF
NF
NF
NF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M41ST85W
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SS
V CC
EX
IRQ/FT/OUT
V OUT
NC
PFI
SCL
RST
NC
SDA
E CON
NC
NC
V BAT
. Pins 1, 2, 3, and 4 are internally
AI06370d
Description
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