DSPB56364FU100 Freescale Semiconductor, DSPB56364FU100 Datasheet - Page 38

• Manufacturer Part Number: DSPB56364FU100
• Manufacturer: Freescale Semiconductor

Specifications of DSPB56364FU100

• Device Core Size: 24b
• Format: Fixed Point
• Clock Freq (max): 100MHz
• Mips: 100
• Device Input Clock Speed: 100MHz
• Ram Size: 9KB
• Program Memory Size: 24KB
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.14V
• Operating Supply Voltage (max): 3.46V
• Operating Temp Range: -40C to 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / Rohs Status: Not Compliant

External Memory Expansion Port (Port A)
3-22
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
No.
Page mode cycle time for two consecutive accesses of the
same direction
Page mode cycle time for mixed (read and write) accesses
CAS assertion to data valid (read)
Column address valid to data valid (read)
CAS deassertion to data not valid (read hold time)
Last CAS assertion to RAS deassertion
Previous CAS deassertion to RAS deassertion
CAS assertion pulse width
Last CAS deassertion to RAS assertion
CAS deassertion pulse width
Column address valid to CAS assertion
CAS assertion to column address not valid
Last column address valid to RAS deassertion
WR deassertion to CAS assertion
CAS deassertion to WR assertion
CAS assertion to WR deassertion
WR assertion pulse width
Last WR assertion to RAS deassertion
WR assertion to CAS deassertion
Data valid to CAS assertion (write)
CAS assertion to data not valid (write)
WR assertion to CAS assertion
• BRW[1:0] = 00
• BRW[1:0] = 01
• BRW[1:0] = 10
• BRW[1:0] = 11
Table 3-11 DRAM Page Mode Timings, Three Wait States
Characteristics
DSP56364 Technical Data, Rev. 4.1
5
Symbol
t
t
t
t
t
t
t
t
t
RHCP
t
t
t
t
t
t
WCH
t
CWL
WCS
t
CAC
RSH
CAS
CRP
t
ASC
CAH
RCS
RCH
RWL
t
t
t
OFF
RAL
WP
PC
CP
DS
DH
AA
2.25 × T
3.75 × T
4.75 × T
6.75 × T
1.25 × T
2.25 × T
3.75 × T
3.25 × T
1.25 × T
0.75 × T
2.5 × T
4.5 × T
1.5 × T
2.5 × T
3.5 × T
0.5 × T
2.5 × T
Expression
2 × T
2 × T
4 × T
3 × T
1.25 × T
T
2 × T
C
− 4.0
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
− 7.0
− 4.0
− 4.0
− 7.0
C
− 4.0
− 4.0
− 4.0
− 4.0
− 4.5
− 4.0
− 4.0
− 6.0
− 6.0
− 6.0
− 6.0
− 4.0
− 4.2
− 4.3
− 4.3
− 4.3
− 4.0
1, 2, 3
C
4
Freescale Semiconductor
16.0
41.5
61.5
36.0
18.3
33.2
28.2
40.0
35.0
21.0
41.0
11.0
21.0
30.5
21.0
Min
0.0
6.0
8.5
3.5
1.0
8.2
—
—
—
—
Max
13.0
23.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns