STLC7550TQFP 查看數據表（PDF） - STMicroelectronics
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STLC7550TQFP Datasheet PDF : 17 Pages
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STLC7550
ELECTRICAL SPECIFICATIONS (continued)
Nominal AC Electrical Characteristics
(Reference level VIL = 0.5V, VIH = DVDD - 0.5V, VOL = 0.3V, VOH = DVDD - 0.5V, DVDD = 3V,
Output load = 50pF unless otherwise)
Symbol N°
Parameter
Min. Typ. Max. Unit
SERIAL CHANNEL TIMING (see Figure 9 for Parameter numbers)
1 SCLK Period
2 SCLK Width Low
3 SCLK Width High
4 SCLK Rise Time
5 SCLK Fall Time
6 FS Setup
7 FS Hold
8 DIN Setup
9 DIN Hold
10 DOUT Valid
11 HC0,HC1 Set-up
12
300
ns
150
ns
150
ns
10
ns
10
ns
100
ns
100
ns
50
ns
0
ns
20
ns
20
ns
0
50
ns
MASTER CLOCK INTERFACE (MCLK) (MCM = 0)
MCLK
Master Clock Input
Master Clock Duty Cycle
0.92 1.54 2.8 MHz
45
55
%
Figure 9 : Serial Interface Timing Diagram
12
1
SCLK
2.4 3 5
6
7
FS
DIN
DOUT
MSB
10
MSB
89
11
HC0
12/17
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