THS0842_14 Datasheet, PDF (10/31 Pages) Texas Instruments – DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH SINGLE OR DUAL PARALLEL BUS OUTPUT

THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246A – DECEMBER 1999 – REVISED AUGUST 2000
PARAMETER MEASUREMENT INFORMATION
N
N+2
I
N+1
Q
CLK
N+1
N
N+2
tJ(A)
td(A)
0
1
2
3
4
5
6
td(pipe-Q)
td(pipe-I)
td(0)
DA(7–0) I–4
I–3
I–2
I–1
7
8
9 10 11 12 13 14 15 16
td(0)
I1
I2
I3
I4
I5
DB(7–0)
Q–4
Q–3
Q–2
Q–1
Q1
Q2
Q3
Q4
Q5
tsu
th
DAB(15–0)
I1 & Q1
I2 & Q2
I3 & Q3
I4 & Q4
I5 & Q5
DAB(15–0) is the combination of both DA and DB. It illustrates when both buses have valid data for latching.
COUT
COUT
NOTE A: The relationship between CLK and COUT/COUT is not fixed and depends on the power-on conditions. Data out should be referenced
to COUT and COUT.
Figure 2. Timing Diagram, Dual Bus Output
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