參數(shù)資料
型號(hào)： SMJ320C26FJ
廠商： TEXAS INSTRUMENTS INC
元件分類： 數(shù)字信號(hào)處理
英文描述： 16-BIT, 40 MHz, OTHER DSP, CQCC68
封裝： CERAMIC, LCC-68
文件頁數(shù)： 13/40頁
文件大?。?/td> 577K
代理商： SMJ320C26FJ
SMJ320C26
DIGITAL SIGNAL PROCESSOR
SGUS 016A – AUGUST 1990 – REVISED AUGUST 2001
20
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
absolute maximum ratings over specified temperature range (unless otherwise noted)
Supply voltage range, VCC
– 0.3 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range
– 0.3 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range
– 0.3 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous power dissipation
1.0 W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 55
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. This is a stress rating only, and
functional operation of the device at these or any other conditions beyond those indicated in the “recommended operating conditions” section of
this specification is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltages are with respect to VSS.
This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These
circuits have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C,
Method 3015; however, it is advised that precautions be taken to avoid application of any voltage higher than maximum-rated
voltages to these high-impedance circuits. During storage or handling, the device leads should be shorted together or the device
should be placed in conductive foam. In a circuit, unused inputs should always be connected to an appropriated logic voltage level,
preferably either VCC or ground. Specific guidelines for handling devices of this type are contained in the publication Guidelines for
Handling Electrostatic-Discharge-Sensitive (ESDS) Devices and Assemblies available from Texas Instruments.
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
V
VSS
Supply voltage
0
V
D15–D0, FSX
2.2
VIH
High-level input voltage
CLKIN, CLKR, CLKX
3.50
V
VIH
High level in ut voltage
All others
3.00
V
Low level input voltage
D15–D0, FSX, CLKIN, CLKR, CLKX
0.8
A
VIL
Low-level input voltage
All others
0.7
A
IOH
High-level output current
300
A
IOL
Low-level output current
2
mA
TA
Minimum operating free-air temperature
– 55
°C
TC
Maximum operating case temperature
125
°C
electrical characteristics over specified free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP§
MAX
UNIT
VOH
High-level output voltage
VCC = MIN, IOH = MAX
2.4
3
V
VOL
Low-level output voltage
VCC = MIN, IOL = MAX
0.3
0.6
V
IOZ
High-impedance-state output leakage current
VCC = MAX
± 20
A
II
Input current
VI = VSS to VCC
± 10
A
I
Supply current
Normal
V
MAX f
MAX
185
mA
ICC
Supply current
Idle/HOLD
VCC = MAX, fx = MAX
100
mA
CI
Input capacitance
15
pF
CO
Output capacitance
15
pF
§ All typical values are at VCC = 5 V, TA = 25°C.
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