LM139
Low Power Low Offset Voltage Quad Comparators (National Semiconductor)
LM139
Quad voltage comparator (NXP)
LM139
Low-power quad voltage comparators (STMicroelectronics)
LM139
Low Power Low Offset Voltage Quad Comparators (ART CHIP)
LM139
Quad Differential Comparators (Texas Instruments)
LM139-N
Low-Power Low-Offset Voltage Quad Comparators (Texas Instruments)
LM139-SP
Quad Differential Comparator (Texas Instruments)
LM1391
LM1391 Phase-Locked Loop (National Semiconductor)
LM139A
Voltage Comparators (National Semiconductor)
LM139A
Quad voltage comparator (Philips)