參數(shù)資料
型號: LH155N
英文描述: Industrial Control IC
中文描述: 工業(yè)控制IC
文件頁數(shù): 46/51頁
文件大?。?/td> 288K
代理商: LH155N
LH155BA
46
7.2.3. SERIAL INTERFACE TIMING
t
CSS
CSB
RS
SCL
SDA
t
CSH
t
AHS
t
ASS
t
DSS
t
DHS
t
SHW
t
SLW
t
CYCS
(V
DD
= 2.4 to 5.5 V, T
OPR
= –30 to +85 C)
APPLICABLE PINS
PARAMETER
SYMBOL
t
CYCS
t
SHW
t
SLW
t
ASS
t
AHS
t
DSS
t
DHS
t
CSS
t
CSH
t
R
, t
F
CONDITIONS
MIN.
1 000
400
400
80
80
400
400
80
80
MAX.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Serial clock period
SCL "H" pulse width
SCL "L" pulse width
Address setup time
Address hold time
Data set up time
Data hold time
CSB to SCL time
CSB hold time
Input signal rise and fall time
SCL
RS
SDA
CSB
All of above pins
30
(V
DD
= 1.8 to 2.4 V, T
OPR
= –30 to +85 C)
APPLICABLE PINS
PARAMETER
SYMBOL
t
CYCS
t
SHW
t
SLW
t
ASS
t
AHS
t
DSS
t
DHS
t
CSS
t
CSH
t
R
, t
F
CONDITIONS
MIN.
2 000
800
800
160
160
800
800
160
160
MAX.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Serial clock period
SCL "H" pulse width
SCL "L" pulse width
Address setup time
Address hold time
Data set up time
Data hold time
CSB to SCL time
CSB hold time
Input signal rise and fall time
NOTE :
All the timings must be specified relative to 20% and 80% of V
DD
voltage.
SCL
RS
SDA
CSB
All of above pins
30
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