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參數資料
型號: THS1207IDAR
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝: GREEN, PLASTIC, TSSOP-32
文件頁數: 19/32頁
文件大小: 317K
代理商: THS1207IDAR
THS1207
SLAS284A – AUGUST 2000 – REVISED DECEMBER 2002
www.ti.com
26
Write Timing Diagram (using R/W, CS0-controlled)
Figure 35 shows the write-timing behavior when the WR(R/W) input is programmed as a combined read-write
input R/W. The RD input has to be tied to high-level in this configuration. This timing is called CS0-controlled
because CS0 is the last external signal of CS0, CS1, and R/W which becomes valid. The writing to the THS1207
can be performed irrespective of the conversion clock signal CONV_CLK.
90%
10%
tw(CS)
tsu(R/W)
th(R/W)
CS0
CS1
R/W
RD
D(0–11)
10%
tsu
th
10%
Figure 35. Write Timing Diagram Using R/W (CS0-controlled)
Write Timing Parameter (CS0-controlled)
PARAMETER
MIN
TYP
MAX
UNIT
tsu(R/W)
Setup time, R/W stable to last CS valid
0
ns
tsu
Setup time, data valid to first CS invalid
5
ns
th
Hold time, first CS invalid to data invalid
2
ns
th(R/W)
Hold time, first CS invalid to R/W change
5
ns
tw(CS)
Pulse duration, CS active
10
ns
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相關代理商/技術參數
參數描述
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