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參數(shù)資料
| 型號： | X1209 |
| 英文描述： | Real Time Clock/Calendar with Event/Timestamp Detection & Alarms(帶有事件/時間標(biāo)記檢測與報警功能的實(shí)時時鐘/日歷) |
| 中文描述： | 實(shí)時時鐘/日歷的事件/時間戳檢測 |
| 文件頁數(shù)： | 5/27頁 |
| 文件大?。?/td> | 511K |
| 代理商： | X1209 |
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5 of 27
REV 3.0 2/11/04
www.xicor.com
Preliminary Information
X1209
DC OPERATING CHARACTERISTICS - EVENT DETECTION CIRCUITS
(Temperature = -40°C to +85°C, unless otherwise stated.)
OPERATING CHARACTERISTICS - EVENT DETECTION CIRCUITS
Symbol
V
IH
Parameter
Conditions
Min
Typ
Max
Unit
V
Notes
Voltage Input Logic High
for EVIN pin
Voltage Input Logic Low
for EVIN pin
Voltage Output Logic High
for EVDET pin
Voltage Output Logic High
for EVDET pin
Switch Resistance on
EVIN pin
V
IL
V
V
OH
V
V
OL
V
R
SW
ohm
Symbol
I
CC4
Parameter
Conditions
EVIN always on
EVIN: 1/4 Hz
EVIN: 1 Hz
EVIN: 2 Hz
EVIN disabled
Min
Typ
1.25
Max
Unit
μA
μA
μA
μA
nA
Notes
Active Supply Current
(Sampled Event
Detection)
I
I
CC5
Standby Current (EVIN)
Input Leakage Current
EVDET pin
Time EVIN valid high to
EVT bit valid high
L
t
EVT1
VCC =
VBAT =
VCC =
VBAT =
VCC =
VBAT =
x + t
y + t
HYS
HYS
t
EVT2
Time EVT bit valid high to
EVDET pin valid low
t
EVT3
Time from EVT bit valid
high to RTC stamp valid
t
HYS
Time based hysteresis
on EVIN pin
0
ms
3.9
15.625
31.25
%
Hz
t
PULSE
Sample Rate of EVIN pin
0
0.25
1
2
%
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