M41T81SM6F STMicroelectronics, M41T81SM6F Datasheet - Page 30

• Manufacturer Part Number: M41T81SM6F
• Description: IC RTC SERIAL W/ALARM 8SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T81SM6F

• Memory Size: 20B
• 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)
• Function: Clock/Calendar/Alarm/Timer Interrupt
• Rtc Memory Size: 20 Byte
• Supply Voltage (max): 5.5 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 (I2C)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4684-2

Part numbering
7
Note:
30/32
Part numbering
Table 16.
The SOX18 package includes an embedded 32,768 Hz crystal. Contact local ST sales office
for availability.
For other options, or for more information on any aspect of this device, please contact the
ST sales office nearest you.
Example:
Device type
M41T
Supply voltage and write protect voltage
81S = V
Package
M = SO8
MY
Temperature range
6 = –40 °C to 85 °C
Shipping method
For SO8:
E = ECOPACK
F = ECOPACK
For SOX18:
blank = ECOPACK
T = ECOPACK
(1)
= SOX18
CC
= 2.7 to 5.5 V
Ordering information
®
®
®
package, tubes
package, tape & reel
package, tape & reel
®
package, tubes
Doc ID 10773 Rev 6
M41T
81S
M
6
M41T81S
E