M41T82RM6F STMicroelectronics, M41T82RM6F Datasheet - Page 28

• Manufacturer Part Number: M41T82RM6F
• Description: IC RTC SERIAL W/BATT SW 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T82RM6F

• Memory Size: 32B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8279-2; M41T82RM6F

Clock operation
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Table 6.
Calibration value (binary)
DC4 – DC0
10 (01010)
11 (01011)
12 (01100)
13 (01101)
14 (01110)
15 (01111)
16 (10000)
17 (10001)
18 (10010)
19 (10011)
20 (10100)
21 (10101)
22 (10110)
23 (10111)
24 (11000)
25 (11001)
26 (11010)
27 (11011)
28 (11100)
29 (11101)
30 (11110)
31 (11111)
0 (00000)
1 (00001)
2 (00010)
3 (00011)
4 (00100)
5 (00101)
6 (00110)
7 (00111)
8 (01000)
9 (01001)
Digital calibration values
N
Doc ID 12578 Rev 12
Negative calibration (DCS = 0)
N/491520 (per minute)
to slow a fast clock
Calibration value rounded to the nearest ppm
–10
–12
–14
–16
–18
–20
–22
–24
–26
–28
–31
–33
–35
–37
–39
–41
–43
–45
–47
–49
–51
–53
–55
–57
–59
–61
–63
–2
–4
–6
–8
0
Positive calibration (DCS = 1)
to speed up a slow clock
N/245760 (per minute)
M41T82-M41T83
102
106
110
114
118
122
126
12
16
20
24
28
33
37
41
45
49
53
57
61
65
69
73
77
81
85
90
94
98
0
4
8