MK41T56N00 Просмотр технического описания (PDF) - STMicroelectronics
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MK41T56N00 Datasheet PDF : 15 Pages
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MK41T56, MKI41T56
Table 5. Capacitance (1,2)
(TA = 25 °C, f = 1 MHz )
Symbol
Parameter
Min
CIN
Input Capacitance (SCL)
COUT (2)
Output Capacitance (SDA, FT/OUT)
Notes: 1. Effective capacitance measured with power supply at 5V.
2. Sampled, not 100% tested.
3. Outputs deselected.
Table 6. DC Characteristics
(TA = 0 to 70°C or –40 to 85°C; VCC = 4.5V to 5.5V)
Symbol
Parameter
Test Condition
ILI
Input Leakage Current
ILO
Output Leakage Current
ICC1
Supply Current
ICC2
Supply Current (Standby)
0V ≤ VIN ≤ VCC
0V ≤ VOUT ≤ VCC
SCL/SDA = VCC–0.3V
VIL
Input Low Voltage
VIH
Input High Voltage
VOL
VBAT(1)
Output Low Voltage
Battery Supply Voltage
IOL = 5mA, VCC = 4.5V
IBAT
Battery Supply Current
TA = 25°C, VCC = 0V,
Oscillator ON, VBAT = 3V
Note: 1. The RAYOVAC BR1225 or equivalent is recommended as the battery supply.
Min
–0.3
3
2.6
Max
Unit
7
pF
10
pF
Typ
Max
Unit
±10
µA
±10
µA
1
mA
1
mA
1.5
V
VCC + 0.8 V
0.4
V
3
3.5
V
450
500
nA
Table 7. Power Down/Up Trip Points DC Characteristics (1)
(TA = 0 to 70°C or –40 to 85°C)
Symbol
Parameter
Min
Typ
Max
Unit
VPFD
Power-fail Deselect Voltage
1.2 VBAT
1.25 VBAT 1.285 VBAT
V
VSO
Battery Back-up Switchover Voltage
Note: 1. All voltages referenced to VSS.
VBAT
V
Table 8. Crystal Electrical Characteristics
(Externally Supplied)
Symbol
Parameter
Min
Typ
Max
Unit
fO
Resonant Frequency
32.768
kHz
RS
Series Resistance
35
kΩ
CL
Load Capacitance
12.5
pF
Notes: Load capacitors are integrated within the MK41T56. Circuit board layout considerations for the 32.768 kHz crystal of
minimum trace lengths and isolation from RF generating signals should be taken into account.
STMicroelectronics recommends the ECS-.327-12.5-8SP-2 quartz crystal is recommended for industrial temperature operations.
ESC Inc. can be contacted at 800-237-1041 or 913-782-7787 for further information on this crystal type.
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