M41T80M6E STMicroelectronics, M41T80M6E Datasheet - Page 6

• Manufacturer Part Number: M41T80M6E
• Description: IC RTC SERIAL W/ALARM 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T80M6E

• 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 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 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: Lead free / RoHS Compliant
• Other names: 497-2820-5; M41T80M6

Description
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Figure 2.
1. Open drain output
Figure 3.
1. Open drain output
CRYSTAL
SDA
SCL
8-pin SOIC connections
Block diagram
OSCILLATOR
INTERFACE
32KHz
I 2 C
F 32K (1)
Doc ID 9074 Rev 4
V SS
XO
XI
1
2
3
4
M41T80
REAL TIME CLOCK
SQUARE WAVE
RTC W/ALARM
CALENDAR
5
8
7
6
V CC
IRQ/OUT/SQW (1)
SCL
SDA
AF
IRQ/OUT/SQW (1)
F 32K (1)
M41T80
AI07007
AI07006