Technology library file is used in synthesis. It has leaf gates logic and timing information. The following is a portion of a synthesis library file. 

 library(tsmc65_hv.slow) {
   delay_model : table_lookup;
   in_place_swap_mode : match_footprint;
   library_features(report_delay_calculation);
  revision : 1.0;
  date : "Mon Dec 5 12:01:37 2005";
   time_unit : "1ns";
...

cell (AND2X1) {
cell_footprint : and2;
area : 8.233600;
pin(A) {
direction : input;
capacitance : 0.00787;
}
pin(B) {
direction : input;
capacitance : 0.00799;
}
pin(Y) {
direction : output;
capacitance : 0.0;
function : "(A B)";
max_capacitance : 0.54755;
}
cell_leakage_power : 204.399600;

...