ADS7869 Datasheet, PDF (42/69 Pages) Texas Instruments – Analog Motor Control Front-End with Simultaneous Sampling on Seven S/H Capacitors and Three 1MSPS, 12-Bit, 12-Channel

Analog Motor Control FrontĆEnd with Simultaneous Sampling on
Seven S/H Capacitors and Three 1MSPS, 12ĆBit, 12ĆChannel ADCs
ADS7869
SBAS253E − MAY 2003 − REVISED JULY 2006
3.4.4.2 Write Timing Characteristics⁽¹⁾
Over recommended operating free-air temperature range at –40_C to +85_C, AVDD = 5V, BVDD = 3V − 5V.
PARAMETER
Setup time from R/W LOW to CS LOW
Hold time from CS HIGH to R/W HIGH
Setup time from address valid to CS LOW
Hold time from CS HIGH to address not valid
Setup time from data valid to CS HIGH
Hold time from CS HIGH to data not valid
SYMBOL
t_SU1
t_H1
t_SU2
t_H2
t_SU3
t_H3
MIN
MAX
0
5
10
5
10
5
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UNIT
ns
ns
ns
ns
ns
ns
(1) All input signals are specified with tR = tF = 5ns (10% to 90% of BVDD) and timed from a voltage level of (VIL + VIH)/2.
CS
R/W
A (5:0)
D (15:0)
t_SU1
t_SU2
t_H1
t_H2
t_SU3
t_H3
Figure 1−19. Mode 11 Write Access (TMS320c54xx mode)
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