DSP56300FM View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
'DSP56300FM' PDF : 148 Pages View PDF
DRAM Type
(tRAC ns)
100
External Memory Expansion Port (Port A)
Note: This figure should be use for primary selection. For
exact and detailed timings see the following tables.
80
70
60
Chip Frequency
50
40
66
80
100 120 (MHz)
1 Wait States
2 Wait States
3 Wait States
4 Wait States
AA0472
Figure 3-11 DRAM Page Mode Wait States Selection Guide
Table 3-9 DRAM Page Mode Timings, One Wait State (Low-Power Applications)1, 2, 3
20 MHz4
30 MHz4
No.
Characteristics
Symbol
Expression
Unit
Min Max Min Max
131 Page mode cycle time for two
tPC
consecutive accesses of the same
direction
2 × TC
100.0 — 66.7 —
ns
Page mode cycle time for mixed (read
and write) accesses
1.25 × TC
62.5 — 41.7 —
132 CAS assertion to data valid (read)
133 Column address valid to data valid
(read)
tCAC
tAA
TC − 7.5
1.5 × TC − 7.5
— 42.5 — 25.8 ns
—
67.5
—
42.5
ns
Freescale Semiconductor
DSP56364 Technical Data, Rev. 4.1
3-17
Share Link: 
