M41T66Q6F STMicroelectronics, M41T66Q6F Datasheet - Page 7

• Manufacturer Part Number: M41T66Q6F
• Description: IC RTC SERIAL W/ALARM 16-QFN
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T66Q6F

• Memory Size: 16B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.5 V ~ 4.4 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8377-2

M41T66
Figure 4.
1. Open drain
2. For a crystal with a load capacitance (C
3. It can also be connected to another power supply.
4. Due to the output buffer circuitry used for the SQW output, this pin must not be taken to a voltage greater
must be added to achieve better clock accuracy.
than V
recommended.
CC
. Diode required on SQW pin for SuperCap™ (or battery) backup. Low threshold BAT42 diode
Hardware hookup for SuperCap™ backup operation
L
) of 12.5 pF, two parallel external 12.5 pF capacitors (C
Description
1
and C
2
)
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