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M48T201V 데이터시트(PDF) 26 Page - STMicroelectronics

부품명 M48T201V
상세설명  3.3V-5V TIMEKEEPER CONTROLLER
PDF  33 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M48T201V 데이터시트(HTML) 26 Page - STMicroelectronics

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M48T201Y, M48T201V
26/33
Table 13. DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. RSTIN1 and RSTIN2 internally pulled-up to VCC through 100KΩ resistor. WDI internally pulled-down to VSS through 100KΩ resistor.
3. Outputs deselected.
4. For IRQ/FT & RST pins (Open Drain).
5. Conditioned outputs (ECON - GCON) can only sustain CMOS leakage currents in the battery back-up mode. Higher leakage currents
will reduce battery life.
6. External SRAM must match TIMEKEEPER SUPERVISOR chip VCC specification.
Sym
Parameter
Test Condition(1)
M48T201Y
M48T201V
Unit
–70
–85
Min
Typ
Max
Min
Typ
Max
ILI
(2)
Input Leakage Current
0V
≤ VIN ≤ VCC
±1
±1
µA
ILO
(3)
Output Leakage Current
0V
≤ VOUT ≤ VCC
±1
±1
µA
ICC
Supply Current
Outputs open
8
15
4
10
mA
ICC1
Supply Current (Standby)
TTL
E = VIH
53
mA
ICC2
Supply Current (Standby)
CMOS
E = VCC –0.2
32
mA
IBAT
Battery Current OSC ON
VCC = 0V
575
800
575
800
nA
Battery Current OSC
OFF
100
100
nA
VIL
Input Low Voltage
–0.3
0.8
–0.3
0.8
V
VIH
Input High Voltage
2.2
VCC +
0.3
2.0
VCC +
0.3
V
VOL
Output Low Voltage
IOL = 2.1mA
0.4
0.4
V
Output Low Voltage
(open drain)(4)
IOL = 10mA
0.4
0.4
V
VOH
Output High Voltage
IOH = –1.0mA
2.4
2.4
V
VOHB
(5)
VOH Battery Back-up
IOUT2 = –1.0µA
2.0
3.6
2.0
3.6
V
IOUT1
(6)
VOUT Current (Active)
VOUT1 > VCC –0.3
100
70
mA
IOUT2
VOUT Current (Battery
Back-up)
VOUT2 > VBAT –0.3
100
100
µA
VPFD
Power-fail Deselect
Voltage
4.1
4.35
4.5
2.7
2.9
3.0
V
VSO
Battery Back-up
Switchover Voltage
3.0
VPFD –
100mV
V
VBAT
Battery Voltage
3.0
3.0
V



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