參數(shù)資料
型號(hào): DS2180A
英文描述: T1 Transceiver
中文描述: T1收發(fā)器
文件頁數(shù): 30/35頁
文件大?。?/td> 481K
代理商: DS2180A
DS2180A
30 of 35
AC ELECTRICAL CHARACTERISTICS
PARAMETER
(0
°
C to 70
°
C; V
DD
= 5.0V ± 10%)
TYP
MAX
SYMBOL
MIN
UNITS
NOTES
SDI to SCLK Setup
t
CC
50
ns
SCLK to SDI Hold
t
CDH
50
ns
SDI to SCLK Falling Edge
t
CD
50
ns
SCLK Low Time
t
CL
250
ns
SCLK High Time
t
CH
250
ns
SCLK Rise and Fall Time
t
R,
t
F
500
ns
CS
to SCLK Setup
t
CC
50
ns
SCLK to
CS
Hold
t
CCH
50
ns
CS
Inactive Time
t
CWH
250
ns
ACLK to SDO Valid
2
t
CDV
200
ns
CS
to SDO High Z
t
CDZ
75
ns
SCLK Setup to
CS
Falling
T
SCC
50
ns
NOTES:
1.
Measured at V
IH
=2.0 V; V
IL
=.8 V and 10 ns maximum rise and fall time.
2.
Output load capacitance = 100 pF.
SERIAL PORT WRITE AC TIMING DIAGRAM
NOTES:
1.
Data byte bits must be valid across low clock periods to prevent transients in operating modes.
2.
Shaded regions indicate “don’t care” states of input data.
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