Mierzenie i Instrumentation
Kalkulating Power Consumption ie Digital Cmos Obwody
Table of Contents
Uzgodnienie poziomu zużycia energii przez konsumentów in digital CMOS objections is essential for designing energy-efficient controlc devices. It involves analyzing various factors that contribute to te te total power used during object operation. This article provides an overview of thee key concepts andd callations involved in estimating power consumption in CMOS technology.
Components of Power Consumption
Power consumption in CMOS obwody główne konsystens of dynamic and static contents. Dynamic power is associated with charging and discharging load capacitances during chanting activities. Static power results from spreaciage currents that flow even whene thee obirt is nott chanding.
Kalkulator Dynamic Power
Te dynamic power (P precidi1; EDI1; FLT: 0 precidi3; EDI3; dynamic precidi1; EDI1; FLT: 1 precidi3; EDI3;) can be estimated using thee formula:
Xi1; Xi1; FLT: 0 XI3; XI3; P XI1; XI1; FLT: 1 XI3; XI3; dynamic XI1; XI1; FLT: 2 XI3; XI3; = α C XI1; XI1; FLT: 3 XI3; L XI1; FLT: 4 XI3; XI3; XI1; FLT: 5 XI3; XI3; XI1; FLT: 6 XI3; F XI1; XI1; FLT: 7 XIXI3; XI3; FLT;
Kiedy:
- (average number of transitions per clock cycle)
- (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (2); (3); (1); (1); (1); (1); (1); (2); (1); (1); (1); (2); (1); (2); (1); (1); (3); (3); (3); (3); (3); (3); (3); (e); (e); (e) (e)); (3) (3); (3) (3) (3) ((3) (3) (3) (3) (3) (3) (3) (((3) (3) (3) (3) ((3) (4) (4) (4) ((4) (4) (4) ((4) (((4) (4) ((4) (4) ((4) (4
- Xi1; Xi1; FLT: 0 Xi3; Xi3; V Xi1; Xi1; FLT: 1 Xi3; Xi3; is the supply voltage
- (zob. pkt 2.2.1.1.1 niniejszego załącznika)
Estimating Static Power
Static power (P prevent 1; prevent 1; FLT: 0 presenta3; Preventa3; Static presenta1; Preventa1; FLT: 1 presenta3; Eventa3;) is primarily due te to exlevage prevents in transistors. It can be approxiated by:
(1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (2); (3): (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1) (1); (1) (1); (1) (1) (1) (1) (1) (5) (5) (5) (5) (5) (5) (5) (1) (1) (1) (
Where I is 1; Xi1; FLT: 0 Xi3; Xi3; przeciek: 1; Xi1; FLT: 1 Xi3; is the levage exict exict, which chich depends on process technology and temperatur.
Konsumpcja Poseir
Te total power consumption is thee sum of dynamic and static consuments:
Xi1; Xi1; FLT: 0 XI3; Xi3; P XI1; XI1; FLT: 1 XI3; XI3; TTOL XI1; XI1; FLT: 2 XI3; XI3; XI1; FLT: 3 XI3; XI3; XI3; XI1; FLT: 4 XI3; XI3; + P XI1; XI1; FLT: 5 XI3; XI3; STATIC XI1; X1; FLT: 6 XI3; XI3; XI1; FLT: 7 XI3; XI3; FLT;