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参数资料
| 型号： | M41T80M6F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封装： | 0.150 INCH, LEAD FREE, PLASTIC, SO1C-8 |
| 文件页数： | 13/25页 |
| 文件大小： | 343K |
| 代理商： | M41T80M6F |
DC and AC parameters
M41T80
Doc ID 9074 Rev 4
Table 10.
DC characteristics
Symbol
Parameter
Test condition(1)
1. Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = 2.0 to 5.5 V (except where noted).
Min
Typ
Max
Unit
ILI
Input leakage current
0 V
≤ VIN ≤ VCC
±1
A
ILO
Output leakage current
0 V
≤ VOUT ≤ VCC
±1
A
ICC1
Supply current
Switch freq (SCL) = 400 kHz
3.0 V
30
A
5.5 V
200
A
ICC2
(2)
2. At 25 °C.
Supply current
(standby)
All inputs = VCC – 0.2 V
Switch freq (SCL) = 0 Hz
32KE = 1
or
SQWE = 1
3.0 V
1.8
3.0
A
5.5 V
35
A
32KE = 0
and
SQWE = 0
3.0 V
1.5
2.4
A
5.5 V
31
A
VIL
Input low voltage
–0.3
0.3VCC
V
VIH
Input high voltage
0.7VCC
VCC + 0.3
V
VOL
Output low voltage
IOL = 3.0 mA
0.4
V
Output low voltage
(open drain)(3)
3. For IRQ/FT/OUT, RST, and 32 KHz pins (open drain)
IOL = 10 mA
0.4
V
Pull-up supply voltage
(open drain)
IRQ/OUT/SQW, F32K, SCL, SDA
5.5
V
Table 11.
Crystal electrical characteristics
Sym
Parameter(1) (2)
1.
Externally supplied if using the SO8 package. STMicroelectronics recommends the KDS DT-38: 1TA/1TC252E127, Tuning
Fork Type (thru-hole) or the DMX-26S: 1TJS125FH2A212, (SMD) quartz crystal for industrial temperature operations.
2.
Load capacitors are integrated within the M41T80. 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.
Min
Typ
Max
Units
fO
Resonant frequency
32.768
kHz
RS
Series resistance
60
k
Ω
CL
Load capacitance
12.5
pF
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