參數(shù)資料
型號: BQ3285LP
英文描述: Real-Time Clock
中文描述: 實時時鐘
文件頁數(shù): 17/26頁
文件大小: 831K
代理商: BQ3285LP
17
bq3285EC/LC
July 1996
Read/Write Timing—bq3285EC
(T
A
= T
OPR
, V
CC
= 5V
±
10%)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Notes
t
CYC
Cycle time
160
-
-
ns
t
DSL
DS low or RD/WR high time
80
-
-
ns
t
DSH
DS high or RD/WR low time
55
-
-
ns
t
RWH
R/W hold time
0
-
-
ns
t
RWS
R/W setup time
10
-
-
ns
t
CS
Chip select setup time
5
-
-
ns
t
CH
Chip select hold time
0
-
-
ns
t
DHR
Read data hold time
0
-
25
ns
t
DHW
Write data hold time
0
-
-
ns
t
AS
Address setup time
20
-
-
ns
t
AH
Address hold time
5
-
-
ns
t
DAS
Delay time, DS to AS rise
10
-
-
ns
t
ASW
Pulse width, AS high
30
-
-
ns
t
ASD
Delay time, AS to DS rise (RD/WR
fall)
35
-
-
ns
t
OD
Output data delay time from DS rise
(RD fall)
-
-
50
ns
t
DW
Write data setup time
30
-
-
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
相關(guān)PDF資料
PDF描述
BQ3285LQ Real-Time Clock
BQ3285LS Real-Time Clock
BQ3285LSS-N Avalanche Glass Passivated Bridge Rectifiers
BQ3287AMT Avalanche Glass Passivated Bridge Rectifiers
BQ3287EA Avalanche Glass Passivated Bridge Rectifiers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BQ3285LP- 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC
BQ3285LPN 制造商:TI 制造商全稱:Texas Instruments 功能描述:Real-Time Clock RTC
BQ3285LQ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock
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