參數(shù)資料
型號(hào)： ADSP-21061KS-160
廠商： ANALOG DEVICES INC
元件分類： 數(shù)字信號(hào)處理
英文描述： ADSP-2106x SHARC DSP Microcomputer Family
中文描述： 48-BIT, 40 MHz, OTHER DSP, PQFP240
封裝： MQFP-240
文件頁數(shù)： 18/47頁
文件大?。?/td> 367K
代理商： ADSP-21061KS-160
–18–
ADSP-21061/ADSP-21061L
REV. B
TIMING SPECIFICATIONS
GENERAL NOTES
The following timing specifications are target specifications and
are based on device simulation only.
The timing specifications shown are based on a CLKIN frequency
of 40 MHz (t
CK
= 25 ns). The DT derating allows specifications
at other CLKIN frequencies (within the min–max range of the
t
CK
specification; see Clock Input below). DT is the differ-
ence between the actual CLKIN period and a CLKIN period
of 25 ns:
DT
=
t
CK
– 25
ns
Use the exact timing information given. Do not attempt to
derive parameters from the addition or subtraction of others.
While addition or subtraction would yield meaningful results for
an individual device, the values given in this data sheet reflect
statistical variations and worst cases. Consequently, you cannot
meaningfully add parameters to derive longer times.
See Figure 26 under Test Conditions for voltage reference
levels.
Switching Characteristics
specify how the processor changes its
signals. You have no control over this timing—circuitry external
to the processor must be designed for compatibility with these
signal characteristics. Switching characteristics tell you what the
processor will do in a given circumstance. You can also use switch-
ing characteristics to ensure that any timing requirement of a de-
vice connected to the processor (such as memory) is satisfied.
Timing Requirements
apply to signals that are controlled by
circuitry external to the processor, such as the data input for a
read operation. Timing requirements guarantee that the proces-
sor operates correctly with other devices.
(O/D) = Open Drain
(A/D) = Active Drive
ABSOLUTE MAXIMUM RATINGS (3.3 V DEVICE)*
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +4.6 V
Input Voltage . . . . . . . . . . . . . . . . . . . . –0.5 V to V
DD
+ 0.5 V
Output Voltage Swing . . . . . . . . . . . . . –0.5 V to V
DD
+ 0.5 V
Load Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 pF
Junction Temperature Under Bias . . . . . . . . . . . . . . . . 130
°
C
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead Temperature (5 seconds) . . . . . . . . . . . . . . . . . +280
°
C
*Stresses greater than those listed above may cause permanent damage to the
device. These are stress ratings only; functional operation of the device at these or
any other conditions greater than those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS (5 V DEVICE)*
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Input Voltage . . . . . . . . . . . . . . . . . . . . –0.5 V to V
DD
+ 0.5 V
Output Voltage Swing . . . . . . . . . . . . . –0.5 V to V
DD
+ 0.5 V
Load Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 pF
Junction Temperature Under Bias . . . . . . . . . . . . . . . . 130
°
C
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead Temperature (5 seconds) . . . . . . . . . . . . . . . . . +280
°
C
*Stresses greater than those listed above may cause permanent damage to the
device. These are stress ratings only; functional operation of the device at these or
any other conditions greater than those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
ESD SENSITIVITY
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the ADSP-2106x features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
相關(guān)PDF資料
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