M41ST85WMX6 STMicroelectronics, M41ST85WMX6 Datasheet - Page 23

• 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

MAXIMUM RATING
Stressing the device above the rating listed in the
“Absolute Maximum Ratings” table may cause
permanent damage to the device. These are
stress ratings only and operation of the device at
these or any other conditions above those indicat-
ed in the Operating sections of this specification is
Table 8. Absolute Maximum Ratings
Note: 1. For SOH28 package, Lead-free (Pb-free) lead finish: Reflow at peak temperature of 260°C (total thermal budget not to exceed
Symbol
T
T
V
2. For SOH28 package, standard (SnPb) lead finish: Reflow at peak temperature of 225°C (total thermal budget not to exceed 180°C
3. The SOX28 package has Lead-free (Pb-free) lead finish, but cannot be exposed to peak reflow temperature in excess of 240°C
V
P
STG
SLD
I
CC
O
IO
D
245°C for greater than 30 seconds).
for between 90 to 150 seconds).
(use same reflow profile as standard (SnPb) lead finish).
CAUTION: Negative undershoots below –0.3V are not allowed on any pin while in the Battery Back-up mode.
CAUTION: Do NOT wave solder SOIC to avoid damaging SNAPHAT sockets.
Storage Temperature (V
Lead Solder Temperature for 10 seconds
Input or Output Voltage
Supply Voltage
Output Current
Power Dissipation
CC
Off, Oscillator Off)
Parameter
not implied. Exposure to Absolute Maximum Rat-
ing conditions for extended periods may affect de-
vice
STMicroelectronics SURE Program and other rel-
evant quality documents.
Lead-free lead finish
Standard (SnPb)
lead finish
M41ST85W
SNAPHAT
M41ST85Y
reliability.
SOIC
(2,3)
®
(1)
Refer
M41ST85Y, M41ST85W
–0.3 to V
–55 to 125
–0.3 to 4.6
–40 to 85
–0.3 to 7
Value
260
240
20
1
CC
also
+0.3
to
Unit
mA
°C
°C
°C
°C
W
V
V
V
23/34
the