Tool for Calculating Junction Temperature for Async SRAM Products  
Calculating Junction Temperature: TJ  =  Pd   θJA   +   TA App note AN4017
Note:  Refer to respective product datasheet for parameters used in the calculation below
Power Dissipation Calculator  
Pd   =  Core Power  +  I/O Switching Power
       =   VCC  ICC   +   α   f   CL   V2   N
                                                           (N - number of I/Os that are switching)

Core Power Calculator  
Enter VCC (V) 
Enter ICC (mA) 
    Calculated Core Power (mW) 
                                                              

VCCQ is different from VCC and ICCQ is available    

I/O Switching Power Calculator  
Enter Activity Factor, α
Enter Clock Frequency, f (MHz) 
    OR Enter Access Speed (ns) 
Enter Load Capacitance, CL (pf) 
Enter VCCQ (V) 
Enter Number of IOs
    Calculated IO Switching Power (mW) 
                                                             

Junction Temperature Calculator  
Total Power Dissipation (Pd) (mW) 
Enter Thermal Resistance (Junction to Ambient), θJA (ºC/W) 
Enter Operating Temperature  (Ambient Temp), TA (ºC) 
         Calculated Junction Temperature, TJ (ºC)