M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 16

• Manufacturer Part Number: M41ST87WMX6TR
• Description: IC SUPERVISOR RTC 160X8 28-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST87WMX6TR

• Memory Size: 160B
• 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: 28-SOIC, 28-SOH (8.48mm Width)
• Bus Type: Serial (2-Wire, I2C)
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 2.7V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 28
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6457-2; M41ST87WMX6TR

Operating modes
Figure 9.
Figure 10. READ mode sequence
Figure 11. Alternate READ mode sequence
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BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
Slave address location
S
ADDRESS
SLAVE
S
ADDRESS
START
DATA n+X
SLAVE
ADDRESS (An)
WORD
P
1
DATA n
Doc ID 9497 Rev 9
1
SLAVE ADDRESS
S
0
ADDRESS
1
SLAVE
DATA n+1
0
0
0
R/W
A
DATA n
AI00602
M41ST87Y, M41ST87W
DATA n+1
DATA n+X
AI00895
AI00899
P