參數資料
型號: ZPSD402A2-90UI
元件分類: 參考電壓二極管
英文描述: Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
中文描述: 250 的低電流運算,低反向泄露,低噪聲穩(wěn)壓二極管
文件頁數: 81/123頁
文件大小: 657K
代理商: ZPSD402A2-90UI
PSD4XX Famly
78
Specifications
(cont.)
13.4 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 38 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 38a. Typical I
CC
/Frequency Consumption
(PSD4XXA1 and ZPSD4XXA1
Versions)
0
10
20
60
50
40
30
80
70
90
100
0
10
15
5
20
25
PT100%
PT25%
COMPOSITE FREQUENCY AT PLD INPUTS (MHz)
I
C
TURBO ON
TURBO ON
TURBO OFF
TURBO OFF
V
CC
= 5 V
相關PDF資料
PDF描述
ZPSD403A1-12J Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
ZPSD403A1-12JI Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
ZPSD403A1-12LI Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
ZPSD403A1-12U Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
ZPSD403A1-12UI Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
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