M41ST87WMX6 STMicroelectronics, M41ST87WMX6 Datasheet - Page 46

• Manufacturer Part Number: M41ST87WMX6
• Description: IC SUPERVISOR RTC 160X8 28-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Supervisorr

Specifications of M41ST87WMX6

• 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)
• Function: Clock/Calendar/Alarm/Timer Interrupt
• Rtc Memory Size: 160 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)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5370-5; M41ST87WMX6

DC and AC parameters
Figure 28. Power down/up mode AC waveforms
1. E
Table 19.
1. Valid for ambient operating temperature: T
2. V
3. V
4. Programmable (see
46/54
Symbol
200 µs after V
t
CON
t
PFD
PFD
t
FB
t
t
t
PFD
F
PD
t
RB
rec
R
(2)
(3)
(max) to V
(min) to V
available in the SOX28 (MX) package only.
V CC
V PFD (max)
V PFD (min)
V SO
RST
INPUTS
OUTPUTS
E CON
Power down/up AC characteristics
V
V
EX at V
PFI to PFO propagation delay
V
V
Power-up deselect time
(1)
PFD
PFD
PFD
SS
CC
SS
PFD
passes V
to V
fall time of less than t
PFO
(max) to V
(min) to V
(min) to V
(min) fall time of less than t
Table 12 on page
t PD
IH
PFD
(PER CONTROL INPUT)
before power down
(min) V
PFD
VALID
RECOGNIZED
SS
PFD
VALID
PFD
(min).
t F
V
(max) V
(min) V
CC
CC
Parameter
fall time
rise time
40)
FB
CC
CC
may cause corruption of RAM data.
A
= –40 to 85 °C; V
fall time
rise time
F
t FB
(1)
may result in deselection/write protection not occurring until
Doc ID 9497 Rev 9
CC
= 4.5 to 5.5 V or 2.7 to 3.6 V (except where noted).
DON'T CARE
HIGH-Z
t RB
Min
300
10
10
96
0
1
Typ
15
t R
M41ST87Y, M41ST87W
(PER CONTROL INPUT)
t rec
RECOGNIZED
98
Max
25
VALID
VALID
(4)
AI07085
Unit
ms
µs
µs
µs
µs
µs
µs