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PSD913F2 데이터시트(PDF) 67 Page - STMicroelectronics

부품명 PSD913F2
상세설명  Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PDF  94 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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PSD913F2 데이터시트(HTML) 67 Page - STMicroelectronics

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Preliminary Information
PSD9XX Family
63
AC/DC
Parameters
The following tables describe the AD/DC parameters of the PSD9XX family:
t DC Electrical Specification
t AC Timing Specification
• PLD Timing
– Combinatorial Timing
• Microcontroller Timing
– Read Timing
– Write Timing
– Power Down and Reset Timing
Following are issues concerning the parameters presented:
t 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 PSD9XX is in each mode. Also, the supply power is considerably different if the
Turbo bit is "OFF".
t The AC power component gives the PLD, Flash memory, and SRAM mA/MHz
specification. Figure 26 shows the PLD mA/MHz as a function of the number
of Product Terms (PT) used.
t In the PLD timing parameters, add the required delay when Turbo bit is "OFF".
Figure 26. PLD ICC /FrequencyConsumption (VCC = 5 V ± 10%)
0
10
20
30
40
60
70
80
90
100
110
VCC = 5V
50
010
15
5
20
25
HIGHEST COMPOSITE FREQUENCY AT PLD INPUTS (MHz)
TURBO
ON
(100%)
TURBO
ON
(25%)
TURBO
OFF
TURBO
OFF
PT 100%
PT 25%



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