X1226 Xicor, X1226 Datasheet - Page 14

• Manufacturer Part Number: X1226
• Description: Real Time Clock/Calendar with EEPROM
• Manufacturer: Xicor

X1226
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 1.1.24 1/13/03
Symbol
Symbol
V
I
V
V
V
V
I
I
I
BACK
V
V
V
BACK
V
CC1
CC2
CC3
I
V
HYS
OH2
I
LO
OL1
OL2
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
Input Leakage Current
Output Leakage Current
Input LOW Voltage
Input HIGH Voltage
Schmitt Trigger Input
Hysteresis
Output LOW Voltage for
SDA
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
V
.05 x V
.05 x V
V
BACK
V
V
CC
BACK
V
CC
CC
Min
BACK
2.7
1.8
Min
-0.5
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
specification is not implied. Exposure to absolute max-
imum rating conditions for extended periods may affect
device reliability.
x 0.7 or
x 0.7
x 0.7
-0.2
CC
BACK
x 0.7
or
Typ
1.25
Typ
1.5
Characteristics subject to change without notice.
V
V
V
V
V
V
BACK
BACK
V
V
CC
CC
BACK
BACK
Max
CC
CC
5.5
5.5
Max
400
800
2.5
3.0
0.4
0.4
+ 0.5 or
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
10
10
13
13
13
11
11
12
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