M41T83RMY6E STMicroelectronics, M41T83RMY6E Datasheet - Page 11

• Manufacturer Part Number: M41T83RMY6E
• Description: IC RTC SERIAL W/BATT SW SOX18
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T83RMY6E

• Memory Size: 32B
• 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: 18-SOX, 18-SOIC with Crystal (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M41T82-M41T83
Figure 8.
1. Open drain output.
2. V
Figure 9.
1. Open drain output.
V CC
CRYSTAL
SDA
SCL
RST
V BAT
V CC
= V
SO
V RST /V SO (2)
M41T83 block diagram
M41T83 hardware hookup
= 2.93 V (S), 2.63 V (R), and 2.32 V (Z).
V CC
XI
XO
V BAT
V SS
XI
XO
INTERFACE
OSCILLATOR
COMPARE
IRQ1/FT/OUT
WRITE
PROTECT
V CC < V RST
32KHz
I
M41T83
2
C
Doc ID 12578 Rev 12
IRQ2
RST
SQW
SDA
SCL
(1)
(1)
(1)
USER SRAM (7 Bytes)
FREQUENCY TEST
REAL TIME CLOCK
OSCILLATOR FAIL
OUTPUT DRIVER
8-BIT COUNTER
SQUARE WAVE
8 BITS OF OTP
WATCHDOG
CALENDAR
ALARM1
ALARM2
CIRCUIT
INTERNAL
TIMER
POWER
t rec
OUT
TIE
OFIE
A1IE
A2IE
FT
SQWE
V CC
INT
Reset Input
Port
Serial Clock Line
Serial Data Line
32KHz CLKIN
MCU
IRQ2 (1)
IRQ1/FT/OUT (1)
SQW
RST (1)
Description
AI11800
AI11801
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