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M48T201V датащи(PDF) 28 Page - STMicroelectronics

номер детали M48T201V
подробное описание детали  5.0 or 3.3V TIMEKEEPER짰 supervisor
PDF  35 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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M48T201V датащи(HTML) 28 Page - STMicroelectronics

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DC and AC parameters
M48T201Y, M48T201V
28/35
Table 13.
DC characteristics
Sym
Parameter
Test condition(1)
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).
M48T201Y
M48T201V
Unit
–70
–85
Min
Typ
Max
Min
Typ
Max
ILI
(2)
2.
RSTIN1 and RSTIN2 internally pulled-up to VCC through 100KΩ resistor. WDI internally pulled-down to VSS through
100K
Ω resistor.
Input Leakage
Current
0V
≤ VIN ≤ VCC
±1
±1
µA
ILO
(3)
3.
Outputs deselected.
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
3
2
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)
4.
For IRQ/FT & RST pins (Open Drain).
IOL = 10mA
0.4
0.4
V
VOH
Output High Voltage
IOH = –1.0mA
2.4
2.4
V
VOHB
(5)
5.
Conditioned outputs (ECON - GCON) can only sustain CMOS leakage currents in the battery back-up mode. Higher leakage
currents will reduce battery life.
VOH Battery Back-up
IOUT2 = –1.0µA
2.0
3.6
2.0
3.6
V
IOUT1
(6)
6.
External SRAM must match TIMEKEEPER SUPERVISOR chip VCC specification.
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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