参数资料
型号: THS10064CDAR
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封装: GREEN, PLASTIC, TSSOP-32
文件页数: 22/42页
文件大小: 527K
代理商: THS10064CDAR
THS10064
SLAS255B – DECEMBER 1999 – REVISED DECEMBER 2002
www.ti.com
29
Read Timing Parameter (CS0-controlled)
PARAMETER
MIN
TYP
MAX
UNIT
tsu(R/W)
Setup time, R/W high to last CS valid
0
ns
ta
Access time, last CS valid to data valid
0
10
ns
td(CSDAV) Delay time, last CS valid to DATA_AV inactive
12
ns
th
Hold time, first CS invalid to data invalid
0
5
ns
th(R/W)
Hold time, first external CS invalid to R/W change
5
ns
tw(CS)
Pulse duration, CS active
10
ns
CS = CS0
Write Timing (using R/W, CS0-controlled)
Figure 39 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.
90%
10%
tw(CS)
tsu(R/W)
th(R/W)
CS0
CS1
WR
RD
D(0–9)
DATA_AV
10%
tsu
th
Figure 39. Write Timing Diagram Using R/W (CS0-controlled)
Read 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
CS = CS0
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THS10064IDAR 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
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