M41ST85WMX6 STMicroelectronics, M41ST85WMX6 Datasheet - Page 7

• Manufacturer Part Number: M41ST85WMX6
• Description: IC RTC 3.0V NVRAM 28SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST85WMX6

• 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: 28-SOIC, 28-SOH (8.48mm Width)
• Function: Clock/Calendar/Supervisor/Alarm
• Rtc Memory Size: 64 Byte
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (2-Wire, I2C)
• Memory Configuration: 64 X 8
• Nvram Features: RTC, Internal Battery, XTAL
• Interface Type: I2C, Serial, 2-Wire
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: SO
• No. Of Pins: 28
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2805-5

Figure 7. Hardware Hookup
Note: 1. Required for embedded crystal (MX) package only.
Unregulated
Voltage
R1
R2
V IN
Pushbutton
Regulator
Reset
V CC
V CC
EX
SCL
WDI
RSTIN1
RSTIN2
PFI
V BAT
V SS
M41ST85Y/W
(1) IRQ/FT/OUT
E CON
V OUT
SQW
SDA
PFO
RST
To RST
To LED Display
To NMI
To INT
M41ST85Y, M41ST85W
V CC
E
M68Z128Y/W
M68Z512Y/W
or
AI03660
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