參數(shù)資料
型號(hào)： TMS320LC31-40
元件分類： 數(shù)字信號(hào)處理
英文描述： Digital Signal Processor
中文描述： 數(shù)字信號(hào)處理器
文件頁數(shù)： 11/48頁
文件大?。?/td> 636K
代理商： TMS320LC31-40
TMS320C31, TMS320LC31
DIGITAL SIGNAL PROCESSORS
SPRS035B – MARCH 1996 – REVISED JANUARY 1999
11
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
absolute maximum ratings over specified temperature range (unless otherwise noted)
’C31
’LC31
Supply voltage range, V
DD
(see Note 1)
Input voltage range, V
I
Output voltage range, V
O
Continuous power dissipation (worst case) (see Note 5)
–0.3 V to 7 V
–0.3 V to 7 V
–0.3 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . .
–0.3 V to 5 V
–0.3 V to 5 V
–0.3 V to 5 V
850 mW
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . . . . . .
(for TMS320LC31-33)
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6 W
. . . . . . . . . . . . . . . . . .
(for TMS320C31-80)
. . . . . . . .
– 40
°
C to 125
°
C
. . . . . . .
– 55
°
C to 150
°
C
Operating case temperature range, T
C
PQL (commercial)
PQA (industrial)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
°
C to 85
°
C
0
°
C to 85
°
C
Storage temperature range, T
stg
– 55
°
C to 150
°
C
. . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
4. All voltage values are with respect to VSS.
5. Actual operating power is less. This value was obtained under specially produced worst-case test conditions for the TMS320C31,
which are not sustained during normal device operation. These conditions consist of continuous parallel writes of a checkerboard
pattern to both primary and extension buses at the maximum rate possible. See normal (ICC) current specification in the electrical
characteristics table and also read Calculation of TMS320C30 Power Dissipation Application Report(literature number SPRA020).
recommended operating conditions (see Note 6)
’C31
NOM
’LC31
NOM
UNIT
MIN
MAX
MIN
MAX
VDD
VSS
VIH
VIL
IOH
IOL
TC
Supply voltage (DVDD, etc.)
Supply voltage (CVSS, etc.)
High-level input voltage
4.75
5
5.25
3.13
3.3
3.47
V
0
0
V
2
VDD+ 0.3
0.8
1.8
VDD+ 0.3
0.6
V
Low-level input voltage
– 0.3
– 0.3
V
μ
A
mA
°
C
°
C
V
High-level output current
– 300
– 300
Low-level output current
2
2
Operating case temperature (commercial)
0
85
0
85
Operating case temperature (industrial)
– 40
125
VTH
These values are derived from characterization and not tested.
NOTE 6: All voltage values are with respect to VSS. All input and output voltage levels are TTL-compatible. CLKIN can be driven by a CMOS
clock.
High-level input voltage for CLKIN
2.6
VDD+ 0.3
2.5
VDD+ 0.3
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