參數(shù)資料
型號(hào): DS2415X
英文描述: 1-Wire Time Chip
中文描述: 1 - Wire時(shí)鐘芯片
文件頁數(shù): 12/20頁
文件大小: 142K
代理商: DS2415X
DS1385/DS1387
012496 12/20
RTC AC TIMING CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
= 4.5V to 5.5V)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Cycle Time
t
CYC
305
DC
ns
Pulse Width, RD/WR Low
PW
EH
125
ns
Pulse Width, RD/WR High
PW
EL
150
ns
Input Rise and Fall Time
t
R
, t
F
30
ns
Chip Select Setup Time Before
WR or RD
t
CS
20
ns
Chip Select Hold Time
t
CH
0
ns
Read Data Hold Time
t
DHR
10
80
ns
Write Data Hold Time
t
DHW
0
ns
Muxed Address Valid Time to
ALE Fall
t
ASL
30
ns
Muxed Address Hold Time from
ALE Fall
t
AHL
10
ns
RD or WR High Setup to ALE
Rise
t
ASD
25
ns
Pulse Width ALE High
PW
ASH
60
ns
ALE Low Setup to RD or WR Fall
t
ASED
40
ns
Output Data Delay Time from RD
t
DDR
20
120
ns
5
Data Setup Time to Write
t
DSW
100
ns
IRQ Release from RD
t
IRD
2
μ
s
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