Propeller spi Fram Write Fails,

I am writing to a FRAM chip from a Propellor chip and have an intermittent fault on some boards.

Propellor chip is a P8X32A ...

http://cdn.sparkfun.com/datasheets/Dev/Propeller/Propeller-P8X32A-Datasheet-v1.4.0_1.pdf

Fram chip is a FM25V05 from cypress

http://www.cypress.com/file/41686/download.

I have attached my pin connections on the Fram.

I am testing a number of these, some pass some fail. I'm writing to the FRAM and reading back for a test.
So I put the...

Propeller spi Fram Write Fails,