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Y2554 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
Y2554 5-V, 12-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN Texas-Instruments
Texas Instruments Texas-Instruments
Y2554 Datasheet PDF : 50 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TLC2554, TLC2558
5-V, 12-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS220A –JUNE 1999
timing diagrams
The timing diagrams can be categorized into two major groups: nonconversion and conversion. The
nonconversion cycles are read and write (configuration). None of these cycles carry a conversion. Conversion
cycles are those four modes of conversion.
read cycle (read FIFO or read CFR)
read CFR cycle:
The read command is decoded in the first 4 clocks. SDO outputs the contents of the CFR after the 4th SCLK.
12 34 5 6 7
12 13 14 15 16
1
SCLK
CS
FS
SDI
ID15 ID14 ID13 ID12ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎID15
INT
EOC
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ SDO
OD11 OD10 OD9
OD4 OD3 OD2 OD1 OD0
ÎÎÎÎÎÎÎÎÎÎ
Figure 2. TLC2554/TLC2558 Read CFR Cycle (FS active)
12 34 5 6 7
12 13 14 15 16
1
SCLK
CS
FS
ÎÎÎÎÎÎ SDI
ID15
ID14
ID13
ID1ÎÎ2 ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎID15
ID14
INT
EOC
SDO
ÎÎÎÎÎÎOD11 OD10 OD9
OD4 OD3 OD2 OD1 OD0
ÎÎÎÎ
Figure 3. TLC2554/TLC2558 Read CFR Cycle (FS = 1)
10
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