X1288 Xicor, X1288 Datasheet - Page 5

• Manufacturer Part Number: X1288
• Description: 2-Wire RTC Real Time Clock/Calendar/CPU Supervisor with EEPROM
• Manufacturer: Xicor

Preliminary Information
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias ................... -65°C to +135°C
Storage Temperature......................... -65°C to +150°C
Voltage on V
pin (respect to ground) ............................-0.5V to 7.0V
Voltage on SCL, SDA, X1 and X2
pin (respect to ground) ............... -0.5V to 7.0V or 0.5V
above V
DC Output Current .............................................. 5 mA
Lead Temperature (Soldering, 10 sec) ...............300°C
DC OPERATING CHARACTERISTICS (Temperature = -40°C to +85°C, unless otherwise stated.)
OPERATING CHARACTERISTICS
REV 1.1.30 3/24/04
Symbol
Symbol
V
I
V
V
V
V
BACK
V
I
I
I
V
V
BACK
V
CC1
CC2
CC3
I
V
HYS
OH2
I
OL1
OL2
LO
CC
CB
BC
LI
IH
IL
CC
or V
Main Power Supply
Backup Power Supply
Switch to Backup Supply
Switch to Main Supply
Read Active Supply
Current
Program Supply Current
(nonvolatile)
Main Timekeeping
Current
Timekeeping Current –
(Low Voltage Sense and
Watchdog Timer dis-
abled
Input Leakage Current
Output Leakage Current
Input LOW Voltage
Input HIGH Voltage
Schmitt Trigger Input
Hysteresis
Output LOW Voltage for
SDA and RESET
Output LOW Voltage for
PHZ/IRQ
Output HIGH Voltage for
PHZ/IRQ
CC
, V
BACK
BACK
Parameter
Parameter
(whichever is higher)
and PHZ/IRQ
V
V
V
CC
Conditions
Conditions
V
V
V
V
V
V
V
V
V
V
V
V
BACK
BACK
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
related level
= 2.7V
= 5.0V
= 2.7V
= 5.0V
= 2.7V
= 5.0V
= 2.7V
= 5.5V
= 2.7V
= 5.5V
= 2.7V
= 5.5V
= 1.8V
= 3.3V
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V
.05 x V
V
V
.05 x V
BACK
V
V
CC
BACK
V
CC
CC
Min
BACK
2.7
1.8
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and 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 maximum
rating conditions for extended periods may affect
device reliability.
Min
-0.5
x 0.7 or
x 0.7
x 0.7
-0.2
CC
BACK
x 0.7
or
Typ
Typ
1.25
1.5
V
V
V
V
V
V
BACK
BACK
V
V
CC
CC
BACK
BACK
CC
CC
Max
5.5
5.5
Max
400
800
2.5
3.0
+ 0.5 or
0.4
0.4
10
20
10
10
x 0.2 or
x 0.3
x 0.3
+0.2
-0.1
+ 0.5
x 0.2
Unit
Unit
V
V
V
V
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
3, 7, 8, 14, 15
3, 6, 9, 14, 15
mance Data”
“See Perfor-
1, 5, 7, 14
2, 5, 7, 14
Notes
Notes
X1288
10
10
13
13
13
11
11
12
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