M41T94MH6E STMicroelectronics, M41T94MH6E Datasheet - Page 31
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M41T94MH6E
Manufacturer Part Number
M41T94MH6E
Description
IC RTC SRAM SERIAL 512BIT 28SOIC
Manufacturer
STMicroelectronics
Type
Clock/Calendar/Alarmr
Datasheet
1.M41T94MH6F.pdf
(41 pages)
Specifications of M41T94MH6E
Memory Size
44B
Time Format
HH:MM:SS:hh (24 hr)
Date Format
YY-MM-DD-dd
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.7 V ~ 5.5 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
64 Byte
Supply Voltage (max)
5.5 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 (SPI)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2823-5
M41T94MH6
M41T94MH6
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M41T94MH6E
Manufacturer:
ST
Quantity:
740
M41T94
Figure 17. Power down/up mode AC waveforms
Table 15.
1. Valid for ambient operating temperature: T
2. V
3. V
4. Programmable (see
5. At 25°C, V
Symbol
t
V CC
V PFD (max)
V PFD (min)
V SO
INPUTS
RST
OUTPUTS
REC
t
until 200 µs after V
t
FB
t
t
F
PFD
PFD
t
RB
DR
(2)
R
(3)
(4)
(min) to V
(max) to V
V
V
V
V
Power up deselect time
Expected data retention time
CC
Power down/up AC characteristics
PFD
PFD
PFD
SS
= 0 V (when using SOH28 + M4T28-BR12SH SNAPHAT
SS
(PER CONTROL INPUT)
to V
PFD
(min) to V
(max) to V
(min) to V
fall time of less than t
CC
VALID
PFD
(min) fall time of less than t
Table 8 on page
RECOGNIZED
passes V
tF
(min) V
SS
PFD
PFD
Parameter
V
PFD
(max) V
CC
CC
(min) V
(min).
fall time
rise time
27).
tFB
FB
CC
CC
(1)
A
may cause corruption of RAM data.
= –40 to 85°C; V
rise time
fall time
F
may result in deselection/write protection not occurring
tDR
DON'T CARE
HIGH-Z
CC
= 2.7 to 5.5 V (except where noted).
10
Min
300
10
10
40
tRB
1
(5)
®
top).
DC and AC parameters
Typ
tR
Max
200
(PER CONTROL INPUT)
tREC
RECOGNIZED
VALID
YEARS
Unit
AI03687
ms
µs
µs
µs
µs
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