riscv-pac is used at run time in 57 crates (of which 44 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) riscv-pac version
51K 85 riscv ^0.2.0
4.2K 33 riscv-rt ^0.2.0
250 riscv-peripheral ^0.2.0