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PSD813F1 Datasheet(PDF) 81 Page - STMicroelectronics

Part # PSD813F1
Description  Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PDF  120 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PSD813F1 Datasheet(HTML) 81 Page - STMicroelectronics

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Preliminary
PSD813F1-A
77
AC/DC
Parameters
The following tables describe the AD/DC parameters of the PSD813F1 family:
t DC Electrical Specification
t AC Timing Specification
• PLD Timing
– Combinatorial Timing
– Synchronous Clock Mode
– Asynchronous Clock Mode
– Input Micro
⇔Cell Timing
• Microcontroller Timing
– Read Timing
– Write Timing
– Peripheral Mode 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 PSD813F1 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, EPROM, and SRAM mA/MHz specification.
Figures 33 and 33a show 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 33. 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
PT 100%
PT 25%



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