DSP56364D Motorola Inc, DSP56364D Datasheet - Page 52

• Manufacturer Part Number: DSP56364D
• Description: 24-Bit Audio Digital Signal Processor
• Manufacturer: Motorola Inc

Specifications
External Memory Expansion Port (Port A)
No.
157
158
159
160
2-32
Random read or write
cycle time
RAS assertion to data
valid (read)
CAS assertion to data
valid (read)
Column address valid to
data valid (read)
Table 2-13 DRAM Out-of-Page and Refresh Timings, Four Wait States
Characteristics
DRAM Type
Figure 2-14 DRAM Out-of-Page Wait States Selection Guide
(t
RAC
100
80
70
50
60
ns)
3
Freescale Semiconductor, Inc.
For More Information On This Product,
4 Wait States
8 Wait States
Note:
40
Symbol
DSP56364 Advance Information
t
t
t
RAC
CAC
t
RC
AA
Go to: www.freescale.com
66
This figure should be use for primary selection. For
exact and detailed timings see the following tables.
80
2.75
1.25
1.5
Expression
5
T
100
T
T
C
T
C
C
C
7.5
11 Wait States
15 Wait States
7.5
7.5
120
250.0
Min
—
—
—
20 MHz
Chip Frequency
(MHz)
130.0
Max
55.0
67.5
4
—
166.7
Min
—
—
—
30 MHz
1, 2
MOTOROLA
Max
84.2
34.2
42.5
4
—
AA0475
Unit
ns
ns
ns
ns