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参数资料
| 型号： | MKI41T56S00TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封装： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件页数： | 12/16页 |
| 文件大小： | 105K |
| 代理商： | MKI41T56S00TR |
5/16
MK41T56, MKI41T56
Table 5. Capacitance (1, 2)
(TA = 25 °C, f = 1 MHz)
Note: 1. Effective capacitance measured with power supply at 5V.
2. Sampled only, 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)
Note: 1. The RAYOVAC BR1225 or equivalent is recommended as the battery supply.
Table 7. Power Down/Up Trip Points DC Characteristics (1)
(TA = 0 to 70°C or –40 to 85°C)
Note: 1. All voltages referenced to VSS.
Table 8. Crystal Electrical Characteristics
(Externally Supplied)
Note: Load capacitors are integrated within the MK41T56. Circuit board layout considerations for the 32.768kHz 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.
Symbol
Parameter
Min
Max
Unit
CIN
Input Capacitance (SCL)
7
pF
COUT
(2)
Output Capacitance (SDA, FT/OUT)
10
pF
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
ILI
Input Leakage Current
0V
≤ VIN ≤ VCC
±10
A
ILO
Output Leakage Current
0V
≤ VOUT ≤ VCC
±10
A
ICC1
Supply Current
SCL/SDA = VCC – 0.3V
1mA
ICC2
Supply Current (Stand-by)
1
mA
VIL
Input Low Voltage
–0.3
1.5
V
VIH
Input High Voltage
3VCC + 0.8
V
VOL
Output Low Voltage
IOL = 5mA, VCC = 4.5V
0.4
V
VBAT
(1)
Battery Supply Voltage
2.6
3
3.5
V
IBAT
Battery Supply Current
TA = 25°C, VCC = 0V,
Oscillator ON, VBAT = 3V
450
500
nA
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
VBAT
V
Symbol
Parameter
Min
Typ
Max
Unit
fO
Resonant Frequency
32.768
kHz
RS
Series Resistance
35
k
CL
Load Capacitance
12.5
pF
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