參數(shù)資料
型號(hào)： M41ST84WMQ6
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： 1 TIMER(S), REAL TIME CLOCK, PDSO16
封裝： PLASTIC, SOP-16
文件頁(yè)數(shù)： 17/29頁(yè)
文件大?。?/td> 481K
代理商： M41ST84WMQ6
M41ST84W
24/29
Table 12. DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 2.7 to 3.6V (except where noted).
2. RSTIN internally pulled-up to VCC through 100K resistor. WDI internally pulled-down to VSS through 100K resistor.
3. Outputs deselected.
4. For PFO and SQW pins (CMOS).
5. For IRQ/FT/OUT, RST pins (Open Drain): if pulled-up to supply other than VCC, this supply must be equal to, or less than 3.0V when
VCC = 0V (during battery back-up mode).
6. For rechargeable back-up, VBAT (max) may be considered VCC.
Table 13. Crystal Electrical Characteristics (Externally Supplied)
Note: 1. Load capacitors are integrated within the M41ST84W. Circuit board layout considerations for the 32.768kHz crystal of minimum
trace lengths and isolation from RF generating signals should be taken into account.
2. 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 ht-
tp://www.kdsj.co.jp for further information on this crystal type.
Sym
Parameter
Test Condition(1)
M41ST84W
Unit
Min
Typ
Max
IBAT
Battery Current OSC ON
TA = 25°C, VCC = 0V,
VBAT = 3V
400
500
nA
Battery Current OSC OFF
50
nA
ICC1
Supply Current
f = 400kHz
0.75
mA
ICC2
Supply Current (Standby)
SCL, SDA = VCC – 0.3V
or VSS + 0.3V
0.50
mA
ILI
(2)
Input Leakage Current
0V
≤ VIN ≤ VCC
±1
A
Input Leakage Current (PFI)
–25
2
25
nA
ILO
(3)
Output Leakage Current
0V
≤ VOUT ≤ VCC
±1
A
VIH
Input High Voltage
0.7VCC
VCC + 0.3
V
VIL
Input Low Voltage
–0.3
0.3VCC
V
VBAT
Battery Voltage
2.5
3.0
3.5(6)
V
VOH
Output High Voltage(4)
IOH = –1.0mA
2.4
V
VOL
Output Low Voltage
IOL = 3.0mA
0.4
V
Output Low Voltage (Open Drain)(5)
IOL = 10mA
0.4
V
Pull-up Supply Voltage (Open Drain)
RST, IRQ/FT/OUT
3.6
V
VPFD
Power Fail Deselect
2.55
2.60
2.70
V
VPFI
PFI Input Threshold
VCC = 3V(W)
1.225
1.250
1.275
V
PFI Hysteresis
PFI Rising
20
70
mV
VSO
Battery Back-up Switchover
2.5
V
Symbol
Parameter(1,2)
Typ
Min
Max
Unit
f0
Resonant Frequency
32.768
kHz
RS
Series Resistance
50
k
CL
Load Capacitance
12.5
pF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M41ST84WMQ6E 功能描述:實(shí)時(shí)時(shí)鐘 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M41ST84WMQ6F 功能描述:實(shí)時(shí)時(shí)鐘 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M41ST84WMQ6TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.0/3.3V I2C Serial RTC with Supervisory Functions
M41ST84WSH 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS
M41ST84Y 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS
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