M41T0 STMICROELECTRONICS [STMicroelectronics], M41T0 Datasheet - Page 8

• Manufacturer Part Number: M41T0
• Description: SERIAL REAL-TIME CLOCK
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M41T0
Table 5. DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
Table 6. Crystal Electrical Characteristics
Note: 1. These values are externally supplied. STMicroelectronics recommends the KDS DT-38: 1TA/1TC252E127, Tuning Fork Type (thru-
8/20
I
CC2
Sym
I
V
V
I
V
CC1
Symbol
I
LO
LI
OL
IH
IL
(2)
R
C
2. At 25°C.
2. Load capacitors are integrated within the M41T0. Circuit board layout considerations for the 32.768kHz crystal of minimum trace
3. R
f
O
S
L
hole) or the DMX-26S: 1TJS125FH2A212, (SMD) quartz crystal for industrial temperature operations. KDS can be contacted at kou-
[e-mail] or http://www.kdsj.co.jp for further information on this crystal type.
lengths and isolation from RF generating signals should be taken into account.
Input Leakage Current
Output Leakage Current
Supply Current
Supply Current (Standby)
Input Low Voltage
Input High Voltage
Output Low Voltage
Output Low Voltage (Open
Drain)
S
= 40k
Resonant Frequency
Series Resistance
Load Capacitance
when V
Parameter
CC
2.5V.
Parameter
Frequency (SCL) = 400kHz
(1,2)
Frequency (SCL) = 0Hz
All inputs = V
A
= –40 to 85°C; V
Test Condition
0V
0V
I
I
OL
OL
V
CC
V
= 10mA
OUT
= 3mA
IN
– 0.2V
CC
V
= 2.0 to 5.5V (except where noted).
V
CC
CC
(1)
Min
3.0V
5.5V
3.0V
5.5V
0.7 V
32.768
–0.3
Min
12.5
Typ
CC
Typ
130
0.9
35
60
Max
(3)
0.3 V
V
Max
200
1.2
CC
0.3
0.4
0.4
±1
±1
55
31
CC
+
Unit
kHz
K
pF
Unit
µA
µA
µA
µA
µA
µA
V
V
V
V