參數(shù)資料
型號: M41T00AUDD1E
廠商: STMICROELECTRONICS
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: REAL TIME CLOCK, DSO16
封裝: 5 X 4 MM, ROHS COMPLIANT, DFN-16
文件頁數(shù): 29/42頁
文件大?。?/td> 333K
代理商: M41T00AUDD1E
M41T00AUD
DC and AC parameters
Table 12.
DC characteristics
Symbol
Parameter
Test condition(1)
Min
Typ
Max
Unit
ILI
Input leakage current
0V
V
IN
V
CC,
SCL pin
±1
A
ILO
Output leakage current
0V
V
OUT
V
CC,
OUT and SDA pins
±1
A
ICC1
Active supply current
No audio (AIN = VBIAS),
I2C bus active at 400 kHz
6.6
14.7
mA
ICC2
Standby supply current
No audio (AIN = VBIAS),
I2C bus not active, SCL = 0 Hz
All inputs
≥ VCC – 0.2 V
or
V
SS + 0.2 V
6.4
14.3
mA
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)(2)
IOL = 3.0 mA
0.4
V
Pull-up supply voltage
(open drain)
IRQ/FT/OUT, SDA, SCL
Vcc
V
VBACK
(3)
RTC backup supply voltage
1.7
VCC
V
IBACK
RTC backup supply current
TA = 25°C, VCC = 0 V
oscillator ON,
VBACK = 3 V
0.6
1
A
1.
Valid for ambient operating temperature: TA = 0 to 70°C; VCC = 3.0 to 3.6 V (except where otherwise noted).
2.
For open drain pins IRQ/FT/OUT and SDA
3.
STMicroelectronics recommends the RAYOVAC BR1225 or BR1632 (or equivalent) when a battery is used.
Table 13.
Crystal electrical characteristics
Symbol
Parameter (1)(2)
Min
Typ
Max
Units
fO
Resonant frequency
32.768
kHz
RS
Series resistance
40
K
Ω
CL
Load capacitance
12.5
pF
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. KDS
can be contacted at http://www.kds.info/index_en.htm for further information on this crystal type.
2.
Load capacitors are integrated within the M41T00AUD. 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.
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