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PSD4000 Series
Preliminary Information
66
Conditions
Highest Composite PLD input frequency
(Freq PLD)
MCU ALE frequency (Freq ALE)
% Flash Access
% SRAM access
% I/O access
Operational Modes
% Normal
% Power Down Mode
Number of product terms used
(from fitter report)
% of total product terms
Turbo Mode
=
=
=
=
=
8 MHz
4 MHz
80%
15%
5% (no additional power above base)
=
=
10%
90%
=
=
=
45 PT
45/176 = 25.5%
Off
Calculation (typical numbers used)
I
CC
total = Ipwrdown x %pwrdown + %normal x
(
I
CC
(ac) + I
CC
(dc)
)
= Ipwrdown x %pwrdown + % normal x
(
%flash x 2.5 mA/MHz x Freq ALE
+ %SRAM x 1.5 mA/MHz x Freq ALE
+ % PLD x (from graph using Freq PLD)
)
= 50 μA x 0.90 + 0.1 x (0.8 x 2.5 mA/MHz x 4 MHz
+ 0.15 x 1.5 mA/MHz x 4 MHz
+ 24 mA)
= 45 μA + 0.1 x (8 + 0.9 + 24)
= 45 μA + 0.1 x 32.9
= 45 μA + 3.29 mA
= 3.34 mA
This is the operating power with no Flash writes or erases. Calculation is based
on I
OUT
= 0 mA.
Example of Typical Power Calculation at V
CC
= 5.0 V in Turbo Off Mode
AC/DC
Parameters
(cont.)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PSD4135G3V-A-90MI | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4135G3V-A-90U | Ceramic Commercial-Off-The-Shelf Surface Mount Capacitors (COTS); Capacitance [nom]: 0.56uF; Working Voltage (Vdc)[max]: 50V; Capacitance Tolerance: +/-5%; Dielectric: Multilayer Ceramic; Temperature Coefficient: X7R; Lead Style: Surface Mount Chip; Lead Dimensions: 1812; Termination: Tin (Sn) Plated Nickel Barrier; Body Dimensions: 0.177" x 0.126"; Container: Bulk; Features: MIL-PRF-55681; Unmarked |
| PSD4135G3V-A-90UI | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4135G3V-B-12B81I | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4135G3V-B-12J | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD4135G3V-A-90MI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4135G3V-A-90U | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4135G3V-A-90UI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4135G3V-B-12B81 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4135G3V-B-12B81I | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs |
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