參數(shù)資料
型號(hào)： M41T56MH6F
廠商： STMICROELECTRONICS
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： REAL TIME CLOCK, PDSO28
封裝： 0.330 INCH, SNAPHAT, LEAD FREE, PLASTIC, SOH-28
文件頁(yè)數(shù)： 11/28頁(yè)
文件大小： 244K
代理商： M41T56MH6F
M41T56
DC and AC parameters
Figure 15.
Power down/up mode AC Waveforms
Table 7.
DC characteristics
Symbol
Parameter
Test condition(1)
1.
Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 4.5 to 5.5V (except where noted).
Min
Typ
Max
Unit
ILI
Input leakage current
0V
≤V
IN ≤VCC
±1
A
ILO
Output leakage current
0V
≤V
OUT ≤VCC
±1
A
ICC1
Supply current
Switch frequency = 100kHz
300
A
ICC2
Supply current (standby)
SCL, SDA = VCC – 0.3V
100
A
VIL
Input low voltage
–0.3
1.5
V
VIH
Input high voltage
3
VCC + 0.8
V
VOL
Output low voltage
IOL = 5mA, VCC = 4.5V
0.4
V
VBAT
(2)
2.
STMicroelectronics recommends the RAYOVAC BR1225 or BR1632 (or equivalent) as the battery supply.
Battery supply voltage
2.5
3
3.5
V
IBAT
Battery supply current
TA = 25°C, VCC = 0V,
oscillator ON, VBAT = 3V
450
550
nA
Table 8.
Crystal Electrical Characteristics
Symbol
Parameter(1)(2)(3)
1.
These values are externally supplied if using the SO8N 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 kouhou@kdsj.co.jp or
http://www.kdsj.co.jp for further information on this crystal type.
2.
Load capacitors are integrated within the M41T56. 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.
3.
All SNAPHAT battery/crystal tops meet these specifications.
Min
Typ
Max
Unit
fO
Resonant frequency
32.768
kHz
RS
Series resistance
60
k
CL
Load capacitance
12.5
pF
AI00595
VCC
tFB
tREC
tPD
tRB
VPFD
VSO
DATA RETENTION TIME
SDA
SCL
IBAT
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