M41T56M6 STMicroelectronics, M41T56M6 Datasheet - Page 18
![Real Time Clock Serial 512 (64x8)](/photos/27/13/271312/soh28_sml.jpg)
M41T56M6
Manufacturer Part Number
M41T56M6
Description
Real Time Clock Serial 512 (64x8)
Manufacturer
STMicroelectronics
Datasheet
1.M41T56M6.pdf
(25 pages)
Specifications of M41T56M6
Function
Clock, Calendar
Rtc Memory Size
64 B
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Rtc Bus Interface
Serial
Package / Case
SO-8
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M41T56M6
Manufacturer:
ST
Quantity:
20 000
Part Number:
M41T56M6E
Manufacturer:
ST
Quantity:
20 000
Part Number:
M41T56M6F
Manufacturer:
ST
Quantity:
20 000
Part Number:
M41T56M6TR
Manufacturer:
ST
Quantity:
20 000
18/25
Table 7.
1. Valid for ambient operating temperature: T
2. STMicroelectronics recommends the RAYOVAC BR1225 or BR1632 (or equivalent) as the battery supply.
Table 8.
1. These values are externally supplied for the SO8 package. STMicroelectronics recommends the KDS DT-
2. Load capacitors are integrated within the M41T56. Circuit board layout considerations for the 32.768 kHz
Figure 14. Power down/up mode AC waveforms
Symbol
V
Symbol
I
I
V
BAT
I
V
I
CC1
CC2
V
38: 1TA/1TC252E127, Tuning Fork Type (thru-hole) or the DMX-26S: 1TJS125FH2A212, (SMD) quartz
crystal for industrial temperature operations. For contact information on this crystal type, see
References on page
crystal of minimum trace lengths and isolation from RF generating signals should be taken into account.
BAT
I
LO
R
LI
OL
C
V CC
V PFD
V SO
SDA
SCL
I BAT
IH
f
IL
O
S
L
(2)
Input leakage current
Output leakage current
Supply current
Supply current (standby)
Input low voltage
Input high voltage
Output low voltage
Battery supply voltage
Battery supply current
Resonant frequency
Series resistance
Load capacitance
DC characteristics
Crystal electrical characteristics
tPD
Parameter
23.
Parameter
tFB
(1)(2)
Switch frequency = 100kHz
oscillator ON, V
SCL, SDA = V
I
OL
A
T
DATA RETENTION TIME
A
= –40 to 85°C; V
Test condition
0V ≤ V
= 5mA, V
0V ≤ V
= 25°C, V
OUT
IN
≤ V
CC
CC
CC
≤ V
BAT
Min
= 4.5V
CC
– 0.3V
= 0V,
CC
CC
(1)
= 3V
= 4.5 to 5.5V (except where noted).
32.768
–0.3
tRB
Min
2.5
12.5
Typ
3
Typ
100
450
3
Max
V
60
CC
tREC
Max
Section 8:
300
550
1.5
0.4
3.5
±1
±1
+ 0.8
AI00595
Unit
kHz
kΩ
pF
Unit
µA
µA
µA
µA
nA
V
V
V
V