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參數(shù)資料
| 型號： | BQ3285LS |
| 英文描述： | Real-Time Clock |
| 中文描述： | 實時時鐘 |
| 文件頁數(shù)： | 18/26頁 |
| 文件大?。?/td> | 831K |
| 代理商： | BQ3285LS |
18
bq3285EC/LC
July 1996
Read/Write Timing—bq3285LC
(T
A
= T
OPR
, V
CC
= 3V
±
10%)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Notes
t
CYC
Cycle time
270
-
-
ns
t
DSL
DS low or RD/WR high time
135
-
-
ns
t
DSH
DS high or RD/WR low time
90
-
-
ns
t
RWH
R/W hold time
0
-
-
ns
t
RWS
R/W setup time
15
-
-
ns
t
CS
Chip select setup time
8
-
-
ns
t
CH
Chip select hold time
0
-
-
ns
t
DHR
Read data hold time
0
-
40
ns
t
DHW
Write data hold time
0
-
-
ns
t
AS
Address setup time
30
-
-
ns
t
AH
Address hold time
15
-
-
ns
t
DAS
Delay time, DS to AS rise
15
-
-
ns
t
ASW
Pulse width, AS high
50
-
-
ns
t
ASD
Delay time,AS toDS rise(RD/WR fall)
55
-
-
ns
t
OD
Output data delay time from DS rise
(RD fall)
-
-
100
ns
t
DW
Write data setup time
50
-
-
ns
t
BUC
Delay time before update cycle
-
244
-
μ
s
t
PI
Periodic interrupt time interval
-
-
-
-
See Table 3
t
UC
Time of update cycle
-
1
-
μ
s
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相關代理商/技術參數(shù) |
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|---|---|
| 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 |
| BQ3285LSS | 制造商:Rochester Electronics LLC 功能描述:REAL TIME CLOCK IC, ENHANCED - Bulk |
| BQ3285LSS- | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC |
| BQ3285LSSN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC |
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