M41ST87WSS6F STMicroelectronics, M41ST87WSS6F Datasheet - Page 51

• Manufacturer Part Number: M41ST87WSS6F
• Description: IC SUPERVISOR RTC/NVRAM 20-SSOP
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST87WSS6F

• 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: 20-SSOP
• Function: Clock, Timestamp, Timekeeper, Watchdog, Alarm, Calendar, Timer, Timer Interrupt
• Rtc Memory Size: 1280 bit
• 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
• Supply Current: 500 nA
• Clock Format: Ss
• Clock Ic Type: RTC
• Interface Type: I2C
• Memory Configuration: 128 X 8
• Supply Voltage Range: 2.7V To 3.6V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10616-2

M41ST87Y, M41ST87W
7
Part numbering
Table 24.
Example:
Device type
M41ST
Supply voltage and write protect voltage
87Y
87W = V
Package
MX
SS
Temperature range
6 = –40 to 85 °C
Shipping method
Blank = ECOPACK
F = ECOPACK
1. Not recommended for new design. Contact ST sales office for availability.
2. The SOX28 package includes an embedded 32,768 Hz crystal.
3. Lead-free second level interconnect and RoHS compliant (by exemption).
4. Available in 3.3 V (W) version only.
5. SSOP20 (SS) package only.
For other options, or for more information on any aspect of this device, please contact the
ST sales office nearest you.
THS bit = '1': 4.50 V ≤ V
V
THS bit = '0': 4.20 V ≤ V
THS bit = '1': 2.80 V ≤ V
V
THS bit = '0': 2.55 V ≤ V
(4)
(2)(3)
CC
CC
(1)
= SSOP20
= 4.5 to 5.5 V
= 2.7 to 3.6 V;
= V
= SOX28
CC
CC
= 3.0 to 3.6 V;
= 4.75 to 5.5 V
Ordering information scheme
®
package, tape & reel
®
package, tubes
PFD
PFD
PFD
PFD
≤ 4.75 V
≤ 4.50 V
≤ 3.00 V
≤ 2.70 V
Doc ID 9497 Rev 9
(5)
M41ST
87Y
MX
6
Part numbering
51/54