參數(shù)資料
型號(hào): PSD403A1
英文描述: Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,40個(gè)可編程I/O,通用PLD有37個(gè)輸入)
中文描述: 現(xiàn)場(chǎng)可編程微控制器外圍設(shè)備(可編程邏輯,16K的位的SRAM,40余個(gè)可編程輸入/輸出,通用PLD的有37個(gè)輸入)
文件頁數(shù): 76/97頁
文件大?。?/td> 309K
代理商: PSD403A1
PSD4XX Famly
4-76
AC/DC
Parameters
The following tables describe the AD/DC parameters of the PSD4XX family:
J
DC Electrical Specification
J
AC Timing Specification
ZPLD Timing
– Combinatorial Delays
– Synchronous Clock Mode
– Asynchronous Clock Mode
Microcontroller Timing
– Read Timing
– Write Timing
– Peripheral Mode Timing
– Power Down and Reset Timing
Following are some issues concerning the parameters presented:
J
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 PSD4XX is in each mode. Also the supply power is considerably different if the
ZPLD_TURBO bit is "OFF" and EPROM_CMISER is "ON".
J
The AC power component gives the ZPLD, EPROM, and SRAM mA/MHz specification.
Figure 37 shows the ZPLD mA/MHz as a function of the number of Product Terms (PT)
used.
J
In the ZPLD timing parameters add the required delay when ZPLD_TURBO is "OFF".
J
In the MCU timing specification add the required time delay when EPROM_CMISER
is "ON".
Figure 37a.
ZPLD
I
CC
/Frequency
Consumption
(PSD4XXA1 Versions)
0
10
20
60
50
40
30
80
70
90
100
0
10
15
5
20
25
PT100%
PT25%
BUS FREQUENCY (MHz)
I
C
TURBO ON
TURBO OFF
TURBO OFF
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