PSD835G2V-12U STMicroelectronics, PSD835G2V-12U Datasheet - Page 100

• Manufacturer Part Number: PSD835G2V-12U
• Manufacturer: STMicroelectronics

Specifications of PSD835G2V-12U

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Package Type: TQFP
• Mounting: Surface Mount
• Pin Count: 80
• Lead Free Status / Rohs Status: Compliant

DC and AC parameters
Table 30.
100/120
Highest Composite PLD input frequency
MCU ALE frequency (Freq ALE)
Operational modes
Number of product terms used
I
This is the operating power with no Flash memory WRITE or Erase cycles in progress.
Calculation is based on I
CC
total
(Freq PLD)
% Flash memory Access = 80%
% SRAM access
% I/O access
% Normal
% Power-down mode
(from fitter report)
% of total product terms
Turbo mode
Example of PSD Typical Power Calculation at V
OUT
= 0 mA.
= 4 MHz
= 15%
= 5% (no additional power above base)
= 90%
= 54 PT
= Ipwrdown x %pwrdown + % normal x (%Flash x 1.2 mA/MHz x Freq ALE
= 50 µA x 0.90 + 0.1 x (0.8 x 1.2 mA/MHz x 4 MHz
= 45 µA + 0.1 x (3.84 + 0.48 + 15)
= 45 µA + 0.1 x 18.84
= 45 µA + 1.94 mA
= 1.98mA
= 8 MHz
= 10%
= 54/217 = 25%
= Off
= Ipwrdown x %pwrdown + %normal x (I
Calculation (using typical values)
Doc ID 10585 Rev 3
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
+ 15 mA)
CC
= 3.0V (with Turbo mode Off)
CC
(ac) + I
CC
(dc))
PSD835G2V