DSP56321VF275 Freescale, DSP56321VF275 Datasheet - Page 31

• Manufacturer Part Number: DSP56321VF275
• Manufacturer: Freescale

Specifications of DSP56321VF275

• Device Core Size: 24b
• Format: Fixed Point
• Clock Freq (max): 275MHz
• Mips: 275
• Device Input Clock Speed: 275MHz
• Ram Size: 576KB
• Operating Supply Voltage (typ): 1.6/3.3V
• Operating Supply Voltage (min): 1.5/3/3/3/3/3/3V
• Operating Temp Range: -40C to 100C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 196
• Package Type: MA-BGA
• Lead Free Status / RoHS Status: Not Compliant

2.4.5
2.4.5.1 SRAM Timing
Freescale Semiconductor
No.
100 Address valid and AA
101 Address and AA valid to
102 WR assertion pulse width
103 WR deassertion to
104 Address and AA valid to
105 RD assertion to input data
106 RD deassertion to data
107 Address valid to WR
108 Data valid to WR
109 Data hold time from WR
110 WR assertion to data
111 WR deassertion to data
112 Previous RD deassertion
113 RD deassertion time
114 WR deassertion time
assertion pulse width
WR assertion
address not valid
input data valid
valid
not valid (data hold time)
deassertion
deassertion (data setup
time)
deassertion
active
high impedance
to data active (write)
Characteristics
External Memory Expansion Port (Port A)
2
2
4
Symbol
t
t
t
DS
RC
AA
t
t
t
t
t
t
OHZ
t
WP
WR
AW
—
—
—
—
—
OE
DH
, t
AS
, t
(t
DW
WC
AC
)
(WS + 0.75) × T
(WS + 0.25) × T
(WS + 0.75) × T
(WS − 0.25) × T
(WS − 0.5) × T
(WS + 2) × T
(WS + 3) × T
–0.25 × T
0.75 × T
1.25 × T
Expression
1.25 × T
2.25 × T
1.25 × T
2.25 × T
0.25 × T
2.25 × T
1.75 × T
2.75 × T
DSP56321 Technical Data, Rev. 11
WS × T
2.0 × T
3.0 × T
[3 ≤ WS ≤ 7]
[3 ≤ WS ≤ 7]
[3 ≤ WS ≤ 7]
[3 ≤ WS ≤ 7]
[3 ≤ WS ≤ 7]
1.25 × T
[WS ≥ 8]
[WS = 3]
[WS ≥ 4]
[WS = 3]
[WS ≥ 4]
[WS ≥ 8]
[WS ≥ 3]
[WS ≥ 3]
[WS ≥ 3]
[WS ≥ 3]
[WS ≥ 8]
[WS = 3]
[WS ≥ 4]
[WS ≥ 8]
[WS ≥ 8]
Table 2-8.
C
C
C
C
C
C
C
C
C
C
C
C
C
C
− 3.0
− 3.0
– 3.0
– 3.0
− 4.0
− 4.0
− 4.0
− 4.0
− 4.0
− 4.0
− 3.0
− 3.0
− 4.0
C
C
− 4.0
C
C
C
C
C
C
− 4.0
− 4.0
− 4.0
1
− 5.4
− 5.8
− 6.5
− 4.0
SRAM Timing
14.75
–2.75
–5.25
10.75
Min
21.0
51.0
0.75
3.25
11.0
13.5
2.25
7.25
8.35
2.25
7.25
6.25
7.25
5.75
12.0
0.0
7.0
—
—
200 MHz
Max
12.9
9.75
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
11.93
13.06
–2.86
–5.14
Min
18.8
46.0
0.41
2.69
9.65
1.69
6.24
7.11
1.69
6.23
5.69
6.23
4.96
9.51
10.6
0.0
6.1
220 MHz
—
—
Max
11.2
8.29
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
11.64
–2.96
–5.04
Min
16.9
41.9
0.13
2.21
8.51
10.6
1.21
5.38
6.07
1.21
5.38
5.21
5.38
8.47
0.0
4.3
5.3
9.5
—
—
240 MHz
AC Electrical Characteristics
Max
7.05
9.8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
–0.27
–4.91
Min
15.0
36.0
1.54
8.72
0.54
4.18
9.63
0.54
4.18
–3.1
4.55
4.18
3.36
4.27
7.91
6.9
0.0
4.6
7.0
—
275 MHz
—
Max
7.84
5.31
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
2-11
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns