DS1302
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground –0.5V to +7.0V
Operating Temperature
Storage Temperature
Soldering Temperature
0°C to 70°C or - 40°C to +85°C for industrial
–55°C to +125°C
260°C for 10 seconds (DIP)
See IPC/JEDEC Standard J-STD-020A for
Surface Mount Devices
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(0ºC to 70ºC or -40°C to +85°C)
PARAMETER
Supply Voltage VCC1, VCC2
Logic 1 Input
SYMBOL
VCC1,
MIN TYP
2.0
MAX
UNITS NOTES
5.5
V
1, 11
VCC2
VIH
2.0
VCC+0.3
+0.3
+0.8
V
V
1
1
VCC=2.0V -0.3
VCC=5V
Logic 0 Input
VIL
–0.3
*-40°C to +85°C for industrial device.
DC ELECTRICAL CHARACTERISTICS
(0ºC to 70ºC or -40°C to +85°C; VCC = 2.0 to 5.5V*)
PARAMETER
Input Leakage
I/O Leakage
SYMBOL
MIN TYP MAX UNITS NOTES
ILI
+500
µA
6
ILO
+500
µA
6
VCC=2.0V
VCC=5V
1.6
2.4
Logic 1 Output
VOH
V
V
2
VCC=2.0V
VCC=5V
0.4
0.4
0.4
1.2
0.3
1
Logic 0 Output
VOL
3
VCC1=2.0V
VCC1=5V
VCC1=2.0V
VCC1=5V
VCC1=2.0V
VCC1=5V
IND
Active Supply Current
Timekeeping Current
ICC1A
ICC1T
mA
µA
5, 12
4, 12
100
100
200
0.425
1.28
25.3
81
10, 12,
14
Standby Current
ICC1S
nA
VCC2=2.0V
VCC2=5V
VCC2=2.0V
VCC2=5V
VCC2=2.0V
VCC2=5V
Active Supply Current
Timekeeping Current
Standby Current
ICC2A
ICC2T
ICC2S
mA
µA
µA
5, 13
4, 13
25
10, 13
80
R1
R2
2
4
kꢀ
kꢀ
kꢀ
V
Trickle Charge Resistors
R3
8
Trickle Charge Diode Voltage Drop
*Unless otherwise noted.
VTD
0.7
9 of 14
TGS [ Tiger Electronic Co.,Ltd ]
