參數(shù)資料
型號： X1288V14Z-2.7A
廠商： INTERSIL CORP
元件分類： XO, clock
英文描述： 2-Wire⑩ RTC Real Time Clock/Calendar/CPU Supervisor with EEPROM
中文描述： 1 TIMER(S), REAL TIME CLOCK, PDSO14
封裝： ROHS COMPLIANT, PLASTIC, TSSOP-14
文件頁數(shù)： 4/27頁
文件大?。?/td> 425K
代理商： X1288V14Z-2.7A
4
FN8102.3
April 14, 2006
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 PHZ/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
Notes: (1) The device enters the Active state after any start, and remains active: for 9 clock cycles if the Device Select Bits in the Slave Address
Byte are incorrect or until 200nS after a stop ending a read or write operation.
(2) The device enters the Program state 200nS after a stop ending a write operation and continues for t
WC
.
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
I
CC1
Parameter
Conditions
V
CC
= 2.7V
V
CC
= 5.0V
V
CC
= 2.7V
V
CC
= 5.0V
V
CC
= 2.7V
V
CC
= 5.0V
V
BACK
= 1.8V
Min
Typ
Max
400
800
2.5
3.0
10
20
Unit
μA
μA
mA
mA
μA
μA
μA
Notes
1, 5, 7, 14
Read Active Supply
Current
I
CC2
Program Supply Current
(nonvolatile)
2, 5, 7, 14
I
CC3
Main Timekeeping
Current
3, 7, 8, 14, 15
I
BACK
Timekeeping Current –
(Low Voltage Sense and
Watchdog Timer disabled
1.25
3, 6, 9, 14, 15
“See Perfor-
mance Data”
V
BACK
= 3.3V
1.5
μA
I
LI
I
LO
V
IL
Input Leakage Current
Output Leakage Current
Input LOW Voltage
10
10
μA
μA
V
10
10
13
-0.5
V
CC
x 0.2 or
V
BACK
x 0.2
V
CC
+ 0.5 or
V
BACK
+ 0.5
V
IH
Input HIGH Voltage
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
Output LOW Voltage for
SDA and RESET
V
CC
related level
V
13
V
OL1
V
CC
= 2.7V
V
CC
= 5.5V
V
CC
= 2.7V
V
CC
= 5.5V
V
CC
= 2.7V
V
CC
= 5.5V
0.4
0.4
V
11
V
OL2
Output LOW Voltage for
PHZ/IRQ
V
CC
x 0.3
V
CC
x 0.3
V
11
V
OH2
Output HIGH Voltage for
PHZ/IRQ
V
CC
x 0.7
V
CC
x 0.7
V
12
X1288
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