X1227 Xicor, X1227 Datasheet - Page 16

• Manufacturer Part Number: X1227
• Description: Real Time Clock/Calendar/CPU Supervisor with EEPROM
• Manufacturer: Xicor

X1227
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias ................... -65°C to +135°C
Storage Temperature......................... -65°C to +150°C
Voltage on V
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 1.1.20 1/13/03
Symbol
Symbol
V
(respect to ground)...............................-0.5V to 7.0V
I
V
V
I
I
I
BACK
V
V
V
BACK
V
CC1
CC2
CC3
I
V
HYS
I
LO
OL1
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
disabled
Input Leakage Current
Output Leakage Current
Input LOW Voltage
Input HIGH Voltage
Schmitt Trigger Input
Hysteresis
Output LOW Voltage for
SDA and RESET
CC
, V
BACK
BACK
Parameter
Parameter
(whichever is higher)
pin
V
V
V
CC
Conditions
Conditions
V
V
V
V
V
V
V
V
BACK
BACK
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
= 1.8V
= 3.3V
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V
V
.05 x V
.05 x V
V
BACK
CC
BACK
V
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
-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
CC
CC
BACK
BACK
Max
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
+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
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
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