50%Zt=50n:fe165.≤10,≤10ns ≤6n IGURE 1-VOLTAGE WAVEFORMS RAMETER MEASUREMENT INFORMATION SN54165,SN54LS165A PARALLEL-LOAD OTES:A NOrEsrINn FIGURE 2-VOLTAGE WAVEFORMS pIGUngiaaesBsTfon TTL Devices