help me on this Circuit!

[overmars]

Here, signal D and C are complementary logic and G=A•B
E and F connect with two current nodes.
What's this ckt used for ? Current comparison?

Thank you in advance!

 

[Fom]

Looks like sense amplifier for SRAM

 

[overmars]

Thanks, but can u tell me how it works?

 

[grittinjames]

this circuit is surely used as some digital logic .
i will tell u after an analyse

Here, signal D and C are complementary logic and G=A•B
E and F connect with two current nodes.
What's this ckt used for ? Current comparison?

Thank you in advance!