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參數(shù)資料
| 型號： | BQ3285LC |
| 英文描述： | Real-Time Clock (RTC) |
| 中文描述： | 實時時鐘（RTC） |
| 文件頁數(shù)： | 13/26頁 |
| 文件大?。?/td> | 831K |
| 代理商： | BQ3285LC |
13
bq3285EC/LC
July 1996
DC Electrical Characteristics—bq3285EC
(T
A
= T
OPR
, V
CC
= 5V )
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Conditions/Notes
I
LI
Input leakage current
-
-
±
1
μ
A
V
IN
= V
SS
to V
CC
I
LO
Output leakage current
-
-
±
1
μ
A
AD
0
–AD
7
and INT in
high impedance,
V
OUT
= V
SS
to V
CC
V
OH
Output high voltage
2.4
-
-
V
I
OH
= -2.0 mA
V
OL
Output low voltage
-
-
0.4
V
I
OL
= 4.0 mA
I
CC
Operating supply current
-
7
15
mA
Min. cycle, duty = 100%,
I
OH
= 0mA, I
OL
= 0mA
I
CCSB
Standby supply current
-
300
-
μ
A
V
IN
= V
SS
or V
CC
,
CS
≥
V
CC
- 0.2
V
SO
Supply switch-over voltage
-
V
BC
-
V
I
CCB
Battery operation current
-
0.3
0.5
μ
A
V
BC
= 3V, T
A
= 25°C
V
PFD
Power-fail-detect voltage
4.0
4.17
4.35
V
I
RCL
Input current when RCL = V
SS
.
-
-
185
μ
A
Internal 30K pull-up
I
MOTH
Input current when MOT = V
CC
-
-
-185
μ
A
Internal 30K pull-down
Input current when MOT = V
SS
-
-
0
μ
A
Internal 30K pull-down
I
XTRAM
Input current when EXTRAM =
V
CC
-
-
-185
μ
A
Internal 30K pull-down
Input current when EXTRAM =
V
SS
-
-
0
μ
A
Internal 30K pull-down
Note:
Typical values indicate operation at T
A
= 25°C, V
CC
= 5V or V
BC
= 3V.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BQ3285LCS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| BQ3285LCSS- | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock (RTC) |
| BQ3285LD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock (RTC) |
| BQ3285LDSS | 功能描述:實時時鐘 W/242x8 NVSRAM 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 時間格式:HH:MM:SS RTC 存儲容量: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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| BQ3285LDSSG4 | 功能描述:實時時鐘 W/242x8 NVSRAM 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 時間格式:HH:MM:SS RTC 存儲容量: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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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