DS1305
DC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.)
PARAMETER
SYMBOL
MIN
-100
-1
TYP
MAX
+500
1
UNITS NOTES
µA
µA
Input Leakage
ILI
ILO
Output Leakage
IOL= 1.5mA
IOL = 4.0mA
IOH = -0.4mA
IOH = -1.0mA
VCC = 2.0V
VCC = 5V
VCCIF = 2.0V
0.4
0.4
Logic 0
VOL
V
Output
1.6
2.4
Logic 1
Output
VOH
V
V
CCIF = 5V
VCC1 = 2.0V
VCC1 = 5V
VCC1 = 2.0V
0.425
1.28
25.3
81
25
80
0.4
1.2
0.3
1
200
200
400
200
VCC1 Active Supply Current
ICC1A
ICC1T
ICC1S
ICC2A
ICC2T
ICC2S
mA
µA
µA
mA
µA
nA
2, 8
VCC1 Timekeeping Current
(Osc on)
VCC1 Standby Current
1, 8, 12
6, 8, 12
2, 9
V
CC1 = 5V
VCC1 = 2.0V
CC1 = 5V
VCC2 = 2.0V
CC2 = 5V
VCC2 = 2.0V
CC2 = 5V
VCC2 = 2.0V
CC2 = 5V
(Osc off)
V
VCC2 Active Supply Current
V
VCC2 Timekeeping Current
(Osc on)
VCC2 Standby Current
1, 9, 12
V
6, 9, 12
(Osc off)
V
Battery Timekeeping Current
Battery Standby Current
IBAT
IBATS
VBAT = 3V
VBAT = 3V
nA
nA
10, 12
10, 12
VBAT
+
VCC Trip Point
VCCTP
VBAT - 50
mV
kꢀ
V
200
R1
R2
R3
2
4
8
Trickle Charge Resistors
Trickle Charge Diode
Voltage Drop
VTD
0.7
CAPACITANCE
(TA = +25LC)
PARAMETER
SYMBOL
MIN
TYP
10
15
6
MAX
UNITS
NOTES
Input Capacitance
Output Capacitance
Crystal Capacitance
CI
CO
CX
pF
pF
pF
16 of 21
DALLAS [ DALLAS SEMICONDUCTOR ]
