M41T65Q6F STMicroelectronics, M41T65Q6F Datasheet - Page 9

• Manufacturer Part Number: M41T65Q6F
• Description: IC RTC SERIAL W/ALARM 16QFN
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T65Q6F

• Memory Size: 16B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.3 V ~ 4.4 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Function: Clock/Calendar/Alarm/Timer Interrupt
• Rtc Memory Size: 16 Byte
• Supply Voltage (max): 4.4 V
• Supply Voltage (min): 1.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (2-Wire, I2C)
• Supply Current: 50 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3908-2

M41T62/63/64/65
Figure 8.
1. Open drain.
Table 2.
Figure 9.
1. Open drain.
2. Defaults to 32 KHz on power-up.
3. Not bonded on embedded crystal (LCC) package.
IRQ/FT/OUT
XTAL
IRQ/OUT
SDA
SCL
SQW
WDO
SDA
F
SCL
V
V
XO
XI
32K
CC
SS
M41T65 connections
Signal names
M41T62 block diagram
(3)
(3)
Oscillator input
Oscillator output
Serial clock input
Interrupt or OUT output (open drain)
Interrupt, frequency test, or OUT output (open drain)
Serial data input/output
Programmable square wave - defaults to 32 KHz on power-up (open drain for
M41T64 only)
Dedicated 32 KHz output (M41T64 only)
Watchdog timer output (open drain)
Supply voltage
Ground
OSCILLATOR
WDO
INTERFACE
32KHz
V
Doc ID 10397 Rev 15
XO
I 2 C
SS
XI
(1)
1
2
3
4
16
5
15
6
14
7
REAL TIME CLOCK
OSCILLATOR FAIL
SQUARE WAVE
RTC W/ALARM
13
8
WATCHDOG
CALENDAR
DETECT
12
10
11
9
NC
IRQ/FT/OUT
SCL
SDA
OFIE
AFE
SQWE
(1)
Description
IRQ/OUT
SQW
AI08899a
(2)
AI09102
(1)
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