DSPD56367AG150 Freescale Semiconductor, DSPD56367AG150 Datasheet - Page 50

• Manufacturer Part Number: DSPD56367AG150
• Description: DSP Fixed-Point 24-Bit 150MHz 150MIPS 144-Pin LQFP Tray
• Manufacturer: Freescale Semiconductor

Specifications of DSPD56367AG150

• Package: 144LQFP
• Numeric And Arithmetic Format: Fixed-Point
• Maximum Speed: 150 MHz
• Ram Size: 69 KB
• Device Million Instructions Per Second: 150 MIPS

External Memory Expansion Port (Port A)
3-26
1
2
3
4
5
183
184
185
186
187
188
189
190
191
192
193
194
195
No.
The number of wait states for an out-of-page access is specified in the DCR.
The refresh period is specified in the DCR.
An expression is used to compute the maximum or minimum value listed (or both if the expression includes ±).
Either t
RD deassertion always occurs after CAS deassertion; therefore, the restricted timing is t
WR assertion to RAS deassertion
WR assertion to CAS deassertion
Data valid to CAS assertion (write)
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
RCH
Table 3-13 DRAM Out-of-Page and Refresh Timings, Fifteen Wait States
or t
RRH
must be satisfied for read cycles.
Characteristics
5
DSP56367 Technical Data, Rev. 2.1
Symbol
t
t
t
t
t
t
t
WCS
RWL
CWL
t
DHR
CSR
RPC
ROH
t
t
t
DH
GA
DS
GZ
15.75 × T
14.25 × T
8.75 × T
6.25 × T
9.75 × T
4.75 × T
15.5 × T
0.75 × T
9.5 × T
1.5 × T
Expression
14 × T
0.25 × T
C
C
C
C
C
C
C
C
C
C
C
− 5.7
− 4.3
− 4.0
− 4.0
− 4.0
− 4.0
− 4.0
− 4.0
– 1.5
− 4.3
− 4.3
C
OFF
3
and not t
1, 2
153.2
138.2
151.0
83.5
58.5
93.5
90.7
11.0
43.5
Min
6.0
0.0
Freescale Semiconductor
—
—
(continued)
100 MHz
GZ
.
134.3
Max
2.5
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns