Manual

11
4912C–AUTO–10/06
ATA6827 [Preliminary]
9. Serial Interface – Timing
No. Parameters Test Conditions Pin Timing Chart No.
(1)
Symbol Min. Typ. Max. Unit Type*
8.1
DO enable after CS
falling edge
C
DO
= 100 pF 7 1 t
ENDO
200 ns D
8.2
DO disable after CS
rising edge
C
DO
= 100 pF 7 2 t
DISDO
200 ns D
8.3 DO fall time C
DO
= 100 pF 7 - t
DOf
100 ns D
8.4 DO rise time C
DO
= 100 pF 7 - t
DOr
100 ns D
8.5 DO valid time C
DO
= 100 pF 7 10 t
DOVal
200 ns D
8.6 CS setup time 3 4 t
CSSethl
225 ns D
8.7 CS setup time 3 8 t
CSSetlh
225 ns D
8.8 CS high time 3 9 t
CSh
500 ns D
8.9 CLK high time 5 5 t
CLKh
225 ns D
8.10 CLK low time 5 6 t
CLKl
225 ns D
8.11 CLK period time 5 - t
CLKp
500 ns D
8.12 CLK setup time 5 7 t
CLKSethl
225 ns D
8.13 CLK setup time 5 3 t
CLKSetlh
225 ns D
8.14 DI setup time 4 11 t
DIset
40 ns D
8.15 DI hold time 4 12 t
DIHold
40 ns D
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note: 1. Serial Interface Timing with Chart Numbers