DSPB56364FU100 Freescale Semiconductor, DSPB56364FU100 Datasheet - Page 47

• 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

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Freescale Semiconductor
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No.
The number of wait states for out-of-page access is specified in the DCR.
The refresh period is specified in the DCR.
RD deassertion will always occur after CAS deassertion; therefore, the restricted timing is t
The asynchronous delays specified in the expressions are valid for DSP56364.
Either t
157
158
159
160
161
162
163
No.
CAS assertion to data not valid (write)
RAS assertion to data not valid (write)
WR assertion to CAS assertion
CAS assertion to RAS assertion
(refresh)
RAS deassertion to CAS assertion
(refresh)
RD assertion to RAS deassertion
RD assertion to data valid
RD deassertion to data not valid
WR assertion to data active
WR deassertion to data high
impedance
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)
CAS deassertion to data not valid (read hold time)
RAS deassertion to RAS assertion
RAS assertion pulse width
RCH
Table 3-14 DRAM Out-of-Page and Refresh Timings, Eight Wait States
or t
RRH
Table 3-15 DRAM Out-of-Page and Refresh Timings, Eleven Wait States
Characteristics
must be satisfied for read cycles.
Characteristics
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DSP56364 Technical Data, Rev. 4.1
3
Symbol
t
t
t
t
t
WCS
t
DHR
CSR
RPC
ROH
t
t
DH
GA
GZ
3.25 × T
5.75 × T
1.75 × T
0.75 × T
5.5 × T
1.5 × T
8.5 × T
7.5 × T
7.5 × T
Expression
0.25 × T
0.0
Symbol
C
C
C
C
C
t
t
t
t
C
C
C
C
t
RAC
CAC
t
t
RAS
OFF
RC
RP
− 4.3
− 4.0
− 4.0
− 7.5
− 6.5
AA
− 4.0
− 4.0
− 4.0
− 0.3
C
4
124.8
6.25 × T
3.75 × T
4.25 × T
7.75 × T
45.2
83.1
79.0
18.7
22.5
11.1
Min
4.5 × T
0.0
Expression
External Memory Expansion Port (Port A)
—
—
—
66 MHz
12 × T
C
C
C
C
C
− 7.0
106.1
C
− 7.0
− 7.0
− 4.0
− 4.0
Max
3.8
—
—
—
—
—
—
—
—
—
OFF
4
1, 2
and not t
(continued)
102.3
120.0
36.6
67.9
64.5
14.8
17.9
38.5
73.5
Min
Min
0.0
9.1
0.0
—
—
—
—
—
—
1, 2
80 MHz
GZ
.
Max
55.5
30.5
38.0
Max
87.3
—
—
—
—
3.1
—
—
—
—
—
—
—
—
—
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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