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DS1305 Datasheet(PDF) 16 Page - Dallas Semiconductor

Part No. DS1305
Description  Serial Alarm Real-Time Clock
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1305 Datasheet(HTML) 16 Page - Dallas Semiconductor

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DC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage
ILI
-100
+500
µA
Output Leakage
ILO
-1
1
µA
IOL= 1.5mA
VCC = 2.0V
0.4
Logic 0
Output
IOL = 4.0mA
VOL
VCC = 5V
0.4
V
IOH = -0.4mA
VCCIF = 2.0V
1.6
Logic 1
Output
IOH = -1.0mA
VOH
VCCIF = 5V
2.4
V
VCC1 = 2.0V
0.425
VCC1 Active Supply Current
ICC1A
VCC1 = 5V
1.28
mA
2, 8
VCC1 = 2.0V
25.3
VCC1 Timekeeping Current
(Osc on)
ICC1T
VCC1 = 5V
81
µA
1, 8, 12
VCC1 = 2.0V
25
VCC1 Standby Current
(Osc off)
ICC1S
VCC1 = 5V
80
µA
6, 8, 12
VCC2 = 2.0V
0.4
VCC2 Active Supply Current
ICC2A
VCC2 = 5V
1.2
mA
2, 9
VCC2 = 2.0V
0.3
VCC2 Timekeeping Current
(Osc on)
ICC2T
VCC2 = 5V
1
µA
1, 9, 12
VCC2 = 2.0V
200
VCC2 Standby Current
(Osc off)
ICC2S
VCC2 = 5V
200
nA
6, 9, 12
Battery Timekeeping Current
IBAT
VBAT = 3V
400
nA
10, 12
Battery Standby Current
IBATS
VBAT = 3V
200
nA
10, 12
VCC Trip Point
VCCTP
VBAT - 50
VBAT +
200
mV
R1
2
R2
4
Trickle Charge Resistors
R3
8
k
W
Trickle Charge Diode
Voltage Drop
VTD
0.7
V
CAPACITANCE
(TA = +25
°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CI
10
pF
Output Capacitance
CO
15
pF
Crystal Capacitance
CX
6
pF


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