 English |
|
|
|
|
|
|
|
| DS1305 Datasheet, PDF (16/22 Pages) Dallas Semiconductor – Serial Alarm Real Time Clock RTC | |||
| |||
| ◁ |
DS1305
DC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.)
PARAMETER
SYMBOL
MIN
Input Leakage
Output Leakage
Logic 0
Output
Logic 1
Output
IOL= 1.5mA
IOL = 4.0mA
IOH = -0.4mA
IOH = -1.0mA
VCC1 Active Supply Current
VCC1 Timekeeping Current
(Osc on)
VCC1 Standby Current
(Osc off)
VCC2 Active Supply Current
VCC2 Timekeeping Current
(Osc on)
VCC2 Standby Current
(Osc off)
Battery Timekeeping Current
Battery Standby Current
ILI
ILO
VOL
VOH
ICC1A
ICC1T
ICC1S
ICC2A
ICC2T
ICC2S
IBAT
IBATS
VCC = 2.0V
VCC = 5V
VCCIF = 2.0V
VCCIF = 5V
VCC1 = 2.0V
VCC1 = 5V
VCC1 = 2.0V
VCC1 = 5V
VCC1 = 2.0V
VCC1 = 5V
VCC2 = 2.0V
VCC2 = 5V
VCC2 = 2.0V
VCC2 = 5V
VCC2 = 2.0V
VCC2 = 5V
VBAT = 3V
VBAT = 3V
-100
-1
1.6
2.4
VCC Trip Point
VCCTP
VBAT - 50
R1
Trickle Charge Resistors
R2
R3
Trickle Charge Diode
Voltage Drop
VTD
TYP
2
4
8
0.7
MAX
+500
1
0.4
0.4
0.425
1.28
25.3
81
25
80
0.4
1.2
0.3
1
200
200
400
200
VBAT +
200
UNITS
µA
µA
V
NOTES
V
mA
2, 8
μA
1, 8, 12
μA
6, 8, 12
mA
2, 9
µA
1, 9, 12
nA
6, 9, 12
nA
10, 12
nA
10, 12
mV
kï
V
CAPACITANCE
(TA = +25ï°C)
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
CI
CO
MIN
TYP
10
15
MAX
UNITS
pF
pF
NOTES
16 of 22
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese