M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 7

• 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
Note:
Figure 1.
1. Open drain output
2. Programmable output (open drain or full-CMOS)
Figure 2.
No function (NF) and no connect (NC) pins should be tied to V
internally shorted together.
Logic diagram
28-pin, 300 mil SOIC (MX) connections
RSTIN1
RSTIN2
SQW/FT
TP1 IN
TP2 IN
RSTIN1
RSTIN2
SDA
PFI 1
PFI 2
SCL
WDI
PFO 2
PFO 1
EX
PFI 2
V SS
WDI
NC
NC
NF
NF
NF
NF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V CC
M41ST87W
M41ST87Y
V SS
M41ST87W
M41ST87Y
V BAT
28
27
26
25
24
23
22
21
20
19
18
17
16
15
E CON
RST (1)
IRQ/OUT (1)
SQW/FT (2)
PFO 1 (2)
PFO 2 (2)
V OUT
F 32k
TP CLR
TP2 IN
V CC
EX
IRQ/OUT
V OUT
PFI 1
SCL
F 32k
TP1 IN
RST
TP CLR
SDA
E CON
V BAT
AI07025b
AI07023
(1)
SS
. Pins 1, 2, 3, and 4 are
Description
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