Quadruple Differential Line Receiver 16-SOIC 0 to 70 预置向上/向下计数器(双时钟带复位0192B BCD码型40193B BINARY类型 PRESETTABLE UP/DOWN COUNTERS (DUAL CLOCK WITH RESET) 40192B ? BCD type 40193B ? BINARY type PRESETTABLE UP/DOWN COUNTERS (DUAL CLOCK WITH RESET) 40192B BCD type 40193B BINARY type PRESETTABLE UP/DOWN COUNTERS (DUAL CLOCK WITH RESET) 40192B-BCD type , 40193B-BINARY type PRESETTABLE UP/DOWN COUNTERS - 40192B BCD type 40193B BINARY type