MP3276 데이터 시트보기 (PDF) - Exar Corporation
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MP3276 Datasheet PDF : 16 Pages
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MP3276
CS
WR
ADDRESS
t1
t2
t5
t3
t4
ADEN
STL
STS
DB0-DB11
RD = 0
DB0-DB11
RD = 1
t6
t7
t8
t 12
Previous ADC Data
HIGH Z
t9
t 10
t 11
t 13
t 14
New ADC Data
Figure 1. Timing for ADC Channel Select Start Conversion
ADC Read Timing
Time
Interval 25°C
Tmin to
Tmax
CS to RD Set-Up Time
t15
CS to RD Hold Time
t16
RD to Data Valid Delay
t17
Bus Relinquish Time after RD
t18
High
RD Pulse Width
t19
0
0
0
0
100
150
150
200
100
150
100
150
Limits
ns min
ns min
ns max
ns max
ns max
ns min
Comments/Test Conditions
Load ckt of Figure 3., CL = 20 pF
Load ckt of Figure 3., CL = 100 pF
Load ckt of Figure 4.
Load ckt 4
Table 3. ADC Read Timing
(See Figure 2.)
CS
t 15
t 19
t 16
RD
Rev. 4.00
DATA
Valid
t 17
t 18
Figure 2. Timing for ADC Read
8
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