DSP56364D Motorola Inc, DSP56364D Datasheet - Page 44

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DSP56364D

Manufacturer Part Number
DSP56364D
Description
24-Bit Audio Digital Signal Processor
Manufacturer
Motorola Inc
Datasheet
No.
131 Page mode cycle time for two
132 CAS assertion to data valid
133 Column address valid to data
134 CAS deassertion to data not
135 Last CAS assertion to RAS
136 Previous CAS deassertion to
137 CAS assertion pulse width
138 Last CAS deassertion to RAS
139 CAS deassertion pulse width
140 Column address valid to CAS
141 CAS assertion to column
Specifications
External Memory Expansion Port (Port A)
2-24
consecutive accesses of the
same direction
Page mode cycle time for
mixed (read and write)
accesses
(read)
valid (read)
valid (read hold time)
deassertion
RAS deassertion
deassertion
assertion
address not valid
• BRW[1:0] = 00
• BRW[1:0] = 01
• BRW[1:0] = 10
• BRW[1:0] = 11
Characteristics
Table 2-10 DRAM Page Mode Timings, Two Wait States
5
Freescale Semiconductor, Inc.
For More Information On This Product,
DSP56364 Advance Information
Symbol
Go to: www.freescale.com
t
t
t
RHCP
t
t
t
t
t
t
CAC
t
RSH
CAS
CRP
t
ASC
CAH
OFF
PC
AA
CP
1.75
3.25
1.25
1.75
1.5
1.5
2.5
2.5
1.5
2.0
3.5
4.5
6.5
Expression
1.25
T
2
C
T
T
T
T
T
T
T
T
T
T
T
T
T
C
C
C
C
C
C
C
C
C
T
C
C
C
C
4.0
C
T
C
7.5
6.5
7.5
6.5
4.0
6.0
6.0
6.0
6.0
4.0
4.0
4.0
4.0
45.4
41.1
22.5
45.2
18.7
24.4
47.2
62.4
92.8
14.9
11.2
22.5
Min
0.0
66 MHz
Max
15.2
30.4
1, 2, 3, 7
37.5
34.4
17.9
36.6
14.8
19.0
37.8
50.3
75.3
11.6
17.9
Min
0.0
8.5
80 MHz
MOTOROLA
Max
12.3
24.8
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

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