X1202
ABSOLUTE MAXIMUM RATINGS
COMMENTS
Temperature under bias ........................ -65 to +135°C
Storage temperature ............................. -65 to +150°C
Voltage on any pin (respect to ground)....-1.0V to 7.0V
DC output current................................................ 5 mA
Lead temperature (soldering, 10 sec) ............... 300°C
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only; the functional operation of
the device (at these or any other conditions above
those indicated in the operational sections of this spec-
ification) is not implied. Exposure to absolute maxi-
mum rating conditions for extended periods may affect
device reliability.
DC OPERATING CHARACTERISTICS (Temperature = -40°C to +85°C, unless otherwise stated.)
Symbol
Parameter
Conditions
Min.
2.7
Typ.
Max.
5.5
Unit
V
Notes
V
Main Power Supply
Backup Power Supply
Switch to Backup Supply
Switch to Main Supply
Active Supply Current
CC
V
1.8
5.5
V
BACK
V
V
V
- 0.2
V
- 0.1
V
17
17
CB
BC
BACK
BACK
V
V
+ 0.1
V
BACK
BACK
I
I
I
V
V
V
V
V
V
= 2.7V
= 5.5V
= 2.7V
= 5.5V
= 2.7V
= 5.5V
1.2
1.7
1.5
3.0
2.0
2.5
1.0
1.5
2
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
5, 8, 15
CC1
CC
CC
CC
CC
CC
CC
Program Supply Current
(nonvolatile)
5, 8, 16, 17
5, 7, 16, 17
7, 10, 16, 17
7, 10, 16, 17
CC2
CC3
Main Timekeeping
Current
I
I
Backup Timekeeping
Current
V
= 1.8V
= 5.5V
= 1.8V
= 5.5V
BACK1
BACK2
BACK
BACK
BACK
BACK
V
V
V
Backup Supply Current
(External crystal net-
work)
1.6
7.5
10
I
Input Leakage Current
Output Leakage Current
Input LOW Voltage
10
µA
µA
V
11
11
LI
I
10
LO
V
-0.5
V
V
x 0.2 or
CC
5, 14
IL
x 0.2
BACK
V
Input HIGH Voltage
V
V
x 0.7 or
V
+ 0.5
+ 0.5
5, 14
14
IH
CC
CC
V
x 0.7
V
BACK
BACK
V
Schmitt Trigger Input
Hysteresis
V
related level .05 x V or
HYS
CC CC
V
V
.05 x V
BACK
V
Output LOW Voltage
V
V
V
V
= 2.7V
= 5.5V
= 2.7V
= 5.5V
0.4
0.4
12
OL
CC
CC
CC
CC
V
Output HIGH Voltage
1.6
2.4
13
OH
V
Characteristics subject to change without notice. 15 of 23
REV 1.1.8 5/17/01
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