參數資料
型號: 5962-0051901NXD
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝: PLASTIC, TSSOP-32
文件頁數: 15/42頁
文件大小: 840K
代理商: 5962-0051901NXD
THS12082
12-BIT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
SLAS271B – MAY 2000 – REVISED DECEMBER 2002
22
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing and signal description of the THS12082 (continued)
write timing (using R/W, CS0-controlled)
Figure 12 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 that becomes valid.
90%
10%
tw(CS)
tsu(R/W)
th(R/W)
CS0
CS1
WR
RD
D(0–11)
DATA_AV
10%
tsu
th
Figure 12. Write Timing Diagram Using R/W (CS0-controlled)
write timing parameter (CSO-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
CS = CSO
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