參數(shù)資料
型號(hào)： ISL12025
廠商： Intersil Corporation
英文描述： Real-Time Clock/Calendar with EEPROM(EEPROM實(shí)時(shí)時(shí)鐘/日歷)
中文描述： 實(shí)時(shí)時(shí)鐘/日歷（EEPROM的實(shí)時(shí)時(shí)鐘/日歷帶有EEPROM）
文件頁(yè)數(shù)： 24/27頁(yè)
文件大小： 412K
代理商： ISL12025
24
FN6371.2
October 19, 2007
.
C
1
0
Standard Mode,
V
TRIP
= 2.2V typ
NO
NO
Operation of I
2
C bus down to
V
DD
= V
RESET
, then below that no
communications. Battery switchover at
V
TRIP
.
Operation of I
2
C bus down to V
RESET
or
V
BAT
, whichever is higher.
D
1
1
Legacy Mode,
V
DD
< V
BAT
NO
NO
TABLE 9. I
2
C, LV RESET, AND BATTERY BACKUP OPERATION SUMMARY
(Shaded Row is same as X1227 operation)
(Continued)
MODE
SBIB BIT
BSW
BIT
VBAT
SWITCHOVER
VOLTAGE
I
2
C ACTIVE IN
BATTERY
BACKUP
EE PROM WRITE/READ
IN BATTERY BACKUP
NOTES
V
RESET
(2.63V)
V
TRIP
(2.2V)
RESET
V
DD
tPURST
I
BAT
(BATTERY BACKUP MODE)
(VDD POWER, V
BAT
NOT CONNECTED)
FIGURE 29. EXAMPLE RESET OPERATION IN MODE A OR C
V
BAT
(3.0V)
I
2
C BUS ACTIVE
V
RESET
(2.63V)
V
TRIP
(2.2V)
RESET
V
DD
tPURST
I
BAT
(BATTERY BACKUP MODE)
FIGURE 30. RESET OPERATION IN MODE D
V
BAT
(3.0V)
I
2
C BUS ACTIVE
ISL12025
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ISL12025IVZ-T 功能描述:實(shí)時(shí)時(shí)鐘 REAL TIME CLK/CLNDR W/EEPROM 2 63SET 8 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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