XCB56362PV100 Freescale Semiconductor, XCB56362PV100 Datasheet - Page 50

• Manufacturer Part Number: XCB56362PV100
• Description: DSP Floating-Point 24-Bit 100MHz 100MIPS 144-Pin LQFP
• Manufacturer: Freescale Semiconductor

Specifications of XCB56362PV100

• Package: 144LQFP
• Numeric And Arithmetic Format: Floating-Point
• Maximum Speed: 100 MHz
• Ram Size: 33 KB
• Device Million Instructions Per Second: 100 MIPS

External Memory Expansion Port (Port A)
3-24
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
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
BRW[1:0] = 00
BRW[1:0] = 01
BRW[1:0] = 10
BRW[1:0] = 11
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
Table 3-12 DRAM Page Mode Timings, Four Wait States 100 and 120MHz
Characteristics
DSP56362 Technical Data, Rev. 4
5
Symbol
t
t
t
t
RHCP
t
t
t
t
t
t
t
t
t
t
WCH
t
RSH
CRP
CAH
RCS
RCH
RWL
CWL
t
CAC
t
OFF
CAS
t
ASC
RAL
WP
PC
AA
CP
2.75 × T
3.75 × T
2.75 × T
4.25 × T
5.25 × T
7.25 × T
1.25 × T
3.25 × T
3.75 × T
1.25 × T
4.75 × T
3.5 × T
2.5 × T
3.5 × T
4.5 × T
Expression
6 × T
2 × T
5 × T
100 MHz:
100 MHz:
100 MHz:
100 MHz:
T
4.5 × T
5 × T
C
C
C
− 4.0
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
− 4.0
− 4.0
− 4.0
C
− 4.0
− 4.0
− 4.0
− 4.5
− 7.0
− 7.0
− 6.0
− 6.0
− 6.0
− 6.0
− 4.0
− 4.2
− 4.3
− 4.3
C
− 4.0
50.0
45.0
31.0
56.0
21.0
46.5
66.5
16.0
31.0
46.0
28.3
40.5
43.2
33.2
Min
0.0
6.0
8.5
8.5
—
—
—
—
100 MHz
Max
20.5
30.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Freescale Semiconductor
1, 2, 3, 4
41.7
37.5
25.2
46.0
16.8
37.7
54.4
12.7
25.2
37.7
22.9
33.0
35.3
26.9
Min
0.0
4.3
6.4
6.4
—
—
—
—
120 MHz
Max
15.9
24.2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns