M41ST84WMQ6E STMicroelectronics, M41ST84WMQ6E Datasheet - Page 8

• Manufacturer Part Number: M41ST84WMQ6E
• Description: IC RTC 3.0V 512BIT NVRAM 16SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST84WMQ6E

• Memory Size: 64B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2802-5; M41ST84WMQ6

Description
Figure 2.
Figure 3.
1. Open drain output
8/36
Crystal
16-pin SOIC connections
Block diagram
RSTIN
V BAT
V CC
SDA
V SS
WDI
SCL
PFI
XO
XI
RSTIN
V BAT
PFO
RST
V SS
WDI
1.25V
(Internal)
OSCILLATOR
XO
INTERFACE
XI
400kHz
32KHz
I 2 C
V PFD = 2.65V
V SO = 2.5V
V BL = 2.5V
1
2
3
4
5
6
7
8
M41ST84W
Doc ID 7530 Rev 9
COMPARE
COMPARE
COMPARE
COMPARE
REAL TIME CLOCK
& CALIBRATION
SQUARE WAVE
RTC w/ALARM
16
15
14
13
12
11
10
WATCHDOG
CALENDAR
USER RAM
44 BYTES
9
POR
V CC
NC
IRQ/FT/OUT
NC
PFI
SQW
SCL
SDA
BL
AF
WDF
V INT
SQW
IRQ/FT/OUT
RST (1)
PFO
M41ST84W
AI03678
AI03931
(1)