M41T66Q6F STMicroelectronics, M41T66Q6F Datasheet - Page 6

• 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

Description
Figure 2.
1. SQW output defaults to 32 KHz upon power-up
2. Open drain
Table 1.
Figure 3.
1. Open drain
2. Defaults to 32 KHz on power-up
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IRQ/OUT
SQW
SDA
SCL
V
V
M41T66 connections
Signal names
XO
M41T66 block diagram
XI
CC
SS
Oscillator input
Oscillator output
Serial data input/output
Serial clock input
Interrupt or OUT output (open drain)
Programmable square wave - defaults to 32 KHz on power-up (open drain)
Supply voltage
Ground
M41T66