M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 41

• 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

M41ST87Y, M41ST87W
3.17
Table 13.
1. When TEB
2. UC = unchanged.
3. ⇑ = V
4. WDS, BMB0-BMB4, RB0, RB1.
5. 32 kHz output valid only on V
Note:
Initial power-up
Subsequent power-up (with
battery backup)
Initial power-up
Subsequent power-up (with
battery backup)
Initial power-up
Subsequent power-up (with
battery backup)
Initial power-up
Subsequent power-up (with
battery backup)
CC
Condition
Condition
Condition
Condition
rising; ⇓ = V
X
Initial power-on defaults
Default values
All other control bits are undetermined.
is set to '1,' the HT bit will not be set on power-down (tamper time-stamp will have precedence).
(2)(3)
(2)(3)
(2)
(2)
CC
falling.
CC
TCHI/TCLO1
.
and 2
32kE
ABE
UC
1
UC
UC
TR
0 ⇑
0
0
0
(5)
SQWE
CLR1
and 2
THS
UC
0 ⇑
UC
UC
ST
Doc ID 9497 Rev 9
0
0
0
0
TEB1 and 2
TIE1 and 2
SQWOD
UC
UC
UC
0 ⇑
OF
1
1
0
0
TCM1 and 2
CLRPW0
PFOD
OFIE
0 ⇑
UC
UC
UC
0
1
0
0
HT
TPM1 and 2
1 ⇓
1
CLRPW1
(1)
Watchdog register
UC
UC
0
0
Out
UC
1
Clock operation
0 ⇓
0
TDS1 and 2
0 ⇓
CLR1
CLR2
FT
0
and
UC
UC
0
0
(4)
EXT
EXT
41/54
AFE
0 ⇑
0