THS1007 SYNC -- HAVE I MISREAD DATA SHEET? -- WHAT IS WRONG?

=============================================

Sorry that the act of posting this yesterday

destroyed the main part of what I am having trouble with. 

Here is an attempt to repair the damage . . .

==============================================

Michael Randall said:

Me: Michael Randall 16Prescott@earthlink.net (USA)617-407-4244

Product: TI ADC THS1007

Connections:

01 D0 .....................32 A1 (2.5 -> 2.9v)
02 D1 .....................31 A2 (2.5 -> 2.9v)
03 D2 .....................30 A3 (2.5 -> 2.9v)
04 D3 .....................29 A4=2.5v
05 D4 .....................28 REFIN \ 10uF -> G
06 D5 .....................27 REFOUT /
07 Vdd 10uF -> G 26 REFP=NC
08 G .......................25 REFM=NC
09 D6 .....................24 G
10 D7 .....................23 Vdd 10uF -> G
11 D8 .....................22 /CS0=G
12 D9 .....................21 CS1=Vdd
13 RA0 ...................20 R/W
14 RA1=G ..............19 /RD=Vdd
15 CLK ...................18 Vdd 10uF -> G
16 SYNC ................17 G

Control Register Settings:

--------9 8 7 6 5 4 3 2 1 0
CR0: 0 0 1 0 0 1 0 0 0 0
CR1: 0 0 1 1 0 0 0 0 1 0

Expected Behaviour of SYNC: 

=======================

L-H-H

L-H-H . . .

Observed Behaviour of SYNC:

========================

L-H-L-H-L-H-L-H-L-H-L-H-L-H-L-H-H-H-H-H-H-H-H-H-H-H-H-H-H-H-H-H-H

L-H-L-H-L-H-L-H-L-H-L-H-L-H-L-H-H-H-H-H-H-H-H-H-H-H-H-H-H-H-H-H-H . . .