EP7312-CB-90 CIRRUS [Cirrus Logic], EP7312-CB-90 Datasheet - Page 15

• Manufacturer Part Number: EP7312-CB-90
• Description: HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
• Manufacturer: CIRRUS [Cirrus Logic]

Timings
Timing Diagram Conventions
This data sheet contains timing diagrams. The following key explains the components used in these diagrams. Any
variations are clearly labelled when they occur. Therefore, no additional meaning should be attached unless
specifically stated.
Timing Conditions
Unless specified otherwise, the following conditions are true for all timing measurements. All characteristics are
specified at V
The timing values are referenced to 1/2 V
DS508PP5
DDIO
= 3.1 - 3.5 V and V
B u s / S i g n a l O m i s s i o n
V a l i d B u s t o
U n d e f i n e d / I n v a l i d
H i g h / L o w
SS
= 0 V over an operating temperature of -40°C to +85°C. Pin loadings is 50 pF.
B u s C h a n g e
DD
H i g h t o L o w
©
.
C opyright Cirrus Logic, Inc. 2003
B u s V a l i d
Figure 2. Legend for Timing Diagrams
T r i s t a t e
(All Rights Reserved)
t o H i g h
C l o c k
High-Performance, Low-Power System on Chip
EP7312
15