參數(shù)資料
型號(hào)： X1205V8T1
廠商： INTERSIL CORP
元件分類(lèi)： XO, clock
英文描述： 2-Wire RTC Real Time Clock/Calendar
中文描述： REAL TIME CLOCK, PDSO8
封裝： 4.40 MM, PLASTIC, TSSOP-8
文件頁(yè)數(shù)： 12/22頁(yè)
文件大?。?/td> 407K
代理商： X1205V8T1
Input HIGH Voltage
X1205 – Preliminary Information
REV 1.0.9 8/29/02
Characteristics subject to change without notice.
12 of 22
www.xicor.com
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias ................... -65°C to +135°C
Storage Temperature......................... -65°C to +150°C
Voltage on V
CC
, V
BACK
and IRQ
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
CC
or V
BACK
(whichever is higher)
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 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.
DC OPERATING CHARACTERISTICS
(Temperature = -40°C to +85°C, unless otherwise stated.)
OPERATING CHARACTERISTICS
Symbol
V
CC
V
BACK
V
CB
V
BC
Parameter
Conditions
Min
2.7
1.8
Typ
Max
5.5
5.5
Unit
V
V
V
V
Notes
Main Power Supply
Backup Power Supply
Switch to Backup Supply
Switch to Main Supply
V
BACK
-0.2
V
BACK
V
BACK
-0.1
V
BACK
+0.2
Symbol
Parameter
Conditions
V
CC
= 2.7V
V
CC
= 5.5V
V
CC
= 2.7V
V
CC
= 5.5V
V
CC
= 2.7V
V
CC
= 5.5V
V
BACK
= 1.8V
Min
Typ
Max
400
800
2.5
3.0
5
10
Unit
μA
μA
mA
mA
μA
μA
μA
Notes
I
CC1
Read Active Supply
Current
1, 5, 7, 14
I
CC2
Program Supply Current
(nonvolatile)
2, 5, 7, 14
I
CC3
Main Timekeeping
Current
3, 7, 8, 14, 15
I
BACK
Timekeeping Current
1.25
3, 6, 9, 14, 15
“See Perfor-
mance Data”
10
10
V
BACK
= 3.3V
1.5
μA
I
LI
I
LO
Input Leakage Current
Output Leakage Current
10
10
μA
μA
V
IL
Input LOW Voltage
-0.5
V
CC
x 0.2 or
V
BACK
x 0.2
V
CC
+ 0.5 or
V
BACK
+ 0.5
V
13
V
IH
V
CC
x 0.7 or
V
BACK
x 0.7
.05 x V
CC
or
.05 x V
BACK
V
13
V
HYS
Schmitt Trigger Input
Hysteresis
V
CC
related level
V
13
V
OL
Output LOW Voltage for
SDA/IRQ
V
CC
= 2.7V
V
CC
= 5.5V
0.4
0.4
V
11
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