參數(shù)資料
型號: PSD813F5V-20MT
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 128K X 8 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP52
封裝: PLASTIC, QFP-52
文件頁數(shù): 68/103頁
文件大小: 1180K
代理商: PSD813F5V-20MT
67/103
PSD8XXF2/3/4/5
AC/DC PARAMETERS
These tables describe the AD and DC parameters
of the PSD8XXFX:
t
DC Electrical Specification
t
AC Timing Specification
s
PLD Timing
– Combinatorial Timing
– Synchronous Clock Mode
– Asynchronous Clock Mode
– Input Macrocell Timing
s
MCU Timing
– READ Timing
–WRITE Timing
– Peripheral Mode Timing
– Power-down and Reset Timing
The following are issues concerning the parame-
ters presented:
s
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
PSD8XXFX is in each mode. Also, the supply
power is considerably different if the Turbo bit is
0.
s
The AC power component gives the PLD, Flash
memory, and SRAM mA/MHz specification.
Figure 32 and Figure 33 show the PLD mA/MHz
as a function of the number of Product Terms
(PT) used.
s
In the PLD timing parameters, add the required
delay when Turbo bit is 0.
Figure 32. PLD ICC /Frequency Consumption (5 V range)
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)
I CC
(mA)
TURBO
ON
(100%)
TURBO
ON
(25%)
TURBO
OFF
TURBO
OFF
PT 100%
PT 25%
AI02894
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