PSD834F2V10MI STMicroelectronics, PSD834F2V10MI Datasheet - Page 67
PSD834F2V10MI
Manufacturer Part Number
PSD834F2V10MI
Description
Manufacturer
STMicroelectronics
Datasheet
1.PSD834F2V10MI.pdf
(95 pages)
Specifications of PSD834F2V10MI
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Package Type
PQFP
Mounting
Surface Mount
Pin Count
52
Lead Free Status / RoHS Status
Compliant
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Table 36. Example of PSD Typical Power Calculation at V
Highest Composite PLD input frequency
MCU ALE frequency (Freq ALE)
Operational Modes
Number of product terms used
Turbo Mode
I
This is the operating power with no WRITE or Flash memory Erase cycles in progress.
Calculation is based on I
CC
total
(Freq PLD)
% Flash memory
Access
% SRAM access
% I/O access
% Normal
% Power-down Mode
(from fitter report)
% of total product terms
OUT
= 0 mA.
Calculation (using typical values)
= 8 MHz
= 4 MHz
= 80%
= 15%
= 5% (no additional power above base)
= 10%
= 90%
= 45 PT
= 45/182 = 24.7%
= Off
= Ipwrdown x %pwrdown + %normal x (I
= Ipwrdown x %pwrdown + % normal x (%flash x 1.5 mA/MHz x Freq ALE
= 25 µA x 0.90 + 0.1 x (0.8 x 1.5 mA/MHz x 4 MHz
= 22.5 µA + 0.1 x (4.8 + 0.48 + 14) mA
= 22.5 µA + 0.1 x 19.28 mA
= 22.5 µA + 1.928 mA
= 1.95 mA
Conditions
+ %SRAM x 0.8 mA/MHz x Freq ALE
+ % PLD x (from graph using Freq PLD))
+ 0.15 x 0.8 mA/MHz x 4 MHz
+ 14 mA)
CC
= 3.3 V (with Turbo Mode Off)
CC
(ac) + I
CC
(dc))
PSD834F2V
67/95
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