The MC10H123 is a triple 4–3–3–Input Bus Driver.
The MC10H123 consists of three NOR gates designed for bus driving applications on card or between cards. Output low logic levels are specified with VOL = –2.1 Vdc so that the bus may be terminated to –2.0 Vdc. The gate output, when low, appears as a high impedance to the bus, because the output emitter–followers of the MC10H123 are “turned–off.” This eliminates discontinuities in the characteristic impedance of the bus.
   
• Propagation Delay, 1.5 ns Typical
• Improved Noise Margin 150 mV (Over Operating Voltage and Temperature Range)
• Voltage Compensated
• MECL 10K–Compatible