參數(shù)資料
型號(hào): DSM2150F5V-12T6
廠商: 意法半導(dǎo)體
元件分類: 數(shù)字信號(hào)處理
英文描述: DSM (Digital Signal Processor System Memory) for Analog Devices DSPs (3.3V Supply)
中文描述: 帝斯曼(數(shù)字信號(hào)處理器系統(tǒng)內(nèi)存)的ADI公司的DSP(3.3V電源)
文件頁(yè)數(shù): 51/73頁(yè)
文件大?。?/td> 1067K
代理商: DSM2150F5V-12T6
51/73
DSM2150F5V
AC AND DC PARAMETERS
These tables describe the AC and DC parameters
of the device:
DC Electrical Specification
AC Timing Specification
PLD Timing
Combinatorial Timing
Synchronous Clock Mode
Asynchronous Clock Mode
Input MicroCell Timing
DSP Timing
READ Timing
WRITE Timing
Reset Timing
I
I
The following are issues concerning the parame-
ters presented:
In the DC specification the supply current is
given for different modes of operation. Before
calculating the total power consumption,
determine the percentage of time that the
device is in each mode. Also, the supply
power is considerably different if the Turbo Bit
is
0.
The AC power component gives the PLD and
Flash memory a mA/MHz specification. Figure
23
shows the PLD mA/MHz as a function of
the number of Product Terms (PT) used.
The fitter report of PSDsoft Express indicates
the number of Product Terms (PTs) used for a
given design. This number may be used to
estimate PLD power consumption using
Figure
23
.
In the PLD timing parameters, add the
required delay when Turbo Bit is
0.
Figure 23. PLD I
CC
/Frequency Consumption (3.3V)
60
V
CC
= 3V
0
10
20
30
40
50
0
10
15
5
20
25
I
C
TURBO ON (100%)
TURBO ON (25%)
TURBOOFF
TURBO OFF
HIGHEST COMPOSITE FREQUENCY AT PLD INPUTS (MHz)
PT 100%
PT 25%
AI03100
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