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參數(shù)資料
| 型號(hào)： | BQ3285LQ |
| 英文描述： | Real-Time Clock |
| 中文描述： | 實(shí)時(shí)時(shí)鐘 |
| 文件頁數(shù)： | 14/26頁 |
| 文件大?。?/td> | 831K |
| 代理商： | BQ3285LQ |
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14
bq3285EC/LC
July 1996
DC Electrical Characteristics—bq3285LC
(T
A
= T
OPR
, V
CC
= 3V
±
10%)
Symbol
Parameter
Minimum Typical
1
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
2.2
-
-
V
I
OH
= -1.0 mA
V
OL
Output low voltage
-
-
0.4
V
I
OL
= 2.0 mA
I
CC
Operating supply current
-
5
2
9
mA
Min. cycle, duty = 100%,
I
OH
= 0mA, I
OL
= 0mA
I
CCSB
Standby supply current
-
100
3
-
μ
A
V
IN
= V
SS
or V
CC
,
CS
≥
V
CC
- 0.2
V
SO
Supply switch-over voltage
-
V
PFD
-
V
V
BC
> V
PFD
-
V
BC
-
V
V
BC
< V
PFD
I
CCB
Battery operation current
-
0.3
0.5
μ
A
V
BC
= 3V, T
A
= 25°C,
V
CC
< V
BC
V
PFD
Power-fail-detect voltage
2.4
2.53
2.65
V
I
RCL
Input current when RCL = V
SS
.
-
-
120
μ
A
Internal 30K pull-up
I
MOTH
Input current when MOT = V
CC
-
-
-120
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
-
-
-120
μ
A
Internal 30K pull-down
Input current when EXTRAM =
V
SS
-
-
0
μ
A
Internal 30K pull-down
Notes:
1. Typical values indicate operation at T
A
= 25°C, V
CC
= 3V.
2. 7mA at V
CC
= 5V
3. 300
μ
A at V
CC
= 5V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BQ3285LQ- | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC |
| BQ3285LQN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC |
| BQ3285LS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock |
| BQ3285LS- | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC |
| BQ3285LSN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC |
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