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參數(shù)資料
| 型號(hào)： | X1209 |
| 英文描述： | Real Time Clock/Calendar with Event/Timestamp Detection & Alarms(帶有事件/時(shí)間標(biāo)記檢測(cè)與報(bào)警功能的實(shí)時(shí)時(shí)鐘/日歷) |
| 中文描述： | 實(shí)時(shí)時(shí)鐘/日歷的事件/時(shí)間戳檢測(cè) |
| 文件頁數(shù)： | 4/27頁 |
| 文件大?。?/td> | 511K |
| 代理商： | X1209 |
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Preliminary Information
X1209
4 of 27
REV 3.0 2/11/04
www.xicor.com
DC OPERATING CHARACTERISTICS - RTC
(Temperature = -40°C to +85°C, unless otherwise stated.)
OPERATING CHARACTERISTICS - RTC
Symbol
V
CC
VBAT
V
MW
Parameter
Conditions
Min
2.0
1.8
Typ
Max
5.5
5.5
Unit
V
V
V
Notes
Main Power Supply
Backup Power Supply
Voltage Trip Memory
Write Valid
Switch to Backup Supply
Switch to Main Supply
Voltage Hysteresis
Voltage Hysteresis
2.0
Trip point for sup-
ply switch over
V
V
V
V
CB
V
V
CC
< V
> V
MW
VBAT - 50
VBAT
VBAT + 50
VBAT
mV
mV
mV
mV
BC
CC
MW
+ 50
HYST1
±50
+50
Vcc to Vbat
Vbat to Vcc
HYST2
Symbol
I
CC1
Parameter
Conditions
V
CC
= 2.0V
V
CC
= 2.7V
V
CC
= 5.0V
V
CC
= 2.0V
V
CC
= 2.7V
V
CC
= 5.0V
V
CC
= 2.0V
V
CC
= 2.7V
V
CC
= 5.0V
VBAT = 1.8V
VBAT = 3.0V
VBAT = 1.8V
VBAT = 3.0V
Min
Typ
Max
1
1
1
2
2
2
700
700
700
500
500
50
50
10
10
x 0.2 or
VBAT x 0.2
V
CC
+ 0.5 or
VBAT
0.4
0.4
Unit
μ
A
μ
A
μ
A
Notes
1, 5, 7, 14
Active Supply Current
(SRAM Read)
I
CC2
Active Supply Current
(SRAM Write)
mA
mA
nA
nA
nA
nA
nA
nA
2, 5, 7, 14
I
CC3
Main Timekeeping
Current
500
500
500
250
250
25
25
3, 7, 8, 14, 15
I
BACK
Timekeeping Current
(during V
BAT
supply ON)
3, 6, 9, 14, 15
I
LB
VBAT Leakage Current
I
I
V
LI
Input Leakage Current
Output Leakage Current
Input LOW Voltage
μA
μA
V
10
10
13
LO
IL
V
CC
V
IH
Input HIGH Voltage
V
VBAT
CC
x 0.7 or
x 0.7
+ 0.5
V
13
V
OL
Output LOW Voltage for
SDA/IRQ
V
V
CC
= 2.7V
= 5.5V
V
11
CC
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias ................... -65°C to +135°C
Storage Temperature......................... -65°C to +150°C
Voltage on V
CC
, VBAT 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
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 spec-
ification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect
device reliability.
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