National Semiconductor part numbers

National Semiconductor (LM op amps and regulators, LMV/LMH/LMP amplifiers, LP power ICs, DS90 LVDS, DP83 Ethernet PHYs, ADC08/ADC12 converters) was acquired by Texas Instruments in 2011.

National Semiconductor is now Texas Instruments (2011). We quote National Semiconductor parts — current, obsolete and end-of-life — and parts that carry older National Semiconductor markings. See also all Texas Instruments part numbers.

5,372 National Semiconductor heritage part numbers

Part-number families from National Semiconductor, listed under their current manufacturer.

Part numberManufacturerTypePackageKey specs
LM139 Texas Instruments amplifier IC
LM139A Texas Instruments amplifier IC
LM139ADR Texas Instruments Comparators SOIC-14 1V~18V, -18V~-1VFour channels
LM139DR Texas Instruments Comparators SOIC-14 1V~18V, -18V~-1VFour channels
LM139J Texas Instruments Operational Amplifier CDIP-14 1V~18V, -18V~-1V4
LM1458 Texas Instruments amplifier IC
LM1458M/NOPB Texas Instruments Operational Amplifier SOIC-8 -15V~15V2
LM1458 MWC Texas Instruments Operational Amplifier WAFERSALE 1mV2
LM1458MX/NOPB Texas Instruments Operational Amplifier SOIC-8 -18V~18V2
LM1458N/NOPB Texas Instruments Operational Amplifier PDIP-8 -18V~18V2
LM1558 Texas Instruments amplifier IC
LM1558H Texas Instruments Operational Amplifier TO-99-8 2200nA
LM1558H/NOPB Texas Instruments Operational Amplifier TO-99-8 -22V~22V2
LM1575K-15QML Texas Instruments DC-DC Converters TO-3-2 52kHz1A
LM158 Texas Instruments amplifier IC
LM158A Texas Instruments amplifier IC
LM158AH Texas Instruments Operational Amplifier TO-5-8 40mA2
LM158AH/NOPB Texas Instruments Operational Amplifier TO-5-8 20mA-16V~-1.5V, 1.5V~16V
LM158H/NOPB Texas Instruments Operational Amplifier TO-99-8 40mA-16V~-1.5V, 1.5V~16V
LM158J Texas Instruments Operational Amplifier CERDIP-8 20mA-16V~-1.5V, 1.5V~16V
LM158JG Texas Instruments Operational Amplifier CDIP-8 40nV/√Hz@1kHz20mA
LM1815 Texas Instruments sensor IC
LM1815M/NOPB Texas Instruments Linear Hall Sensors SOIC-14 3.6mA-40°C~+125°C
LM1815N/NOPB Texas Instruments Specialized Sensors PDIP-14 Sensor Interface
LM1875 Texas Instruments amplifier IC
LM1875T/NOPB Texas Instruments Audio Amplifiers TO-220-5(Forming) 95dB1-Channel
LM1877 Texas Instruments amplifier IC
LM1877MX-9/NOPB Texas Instruments Audio Amplifiers SOIC-14-300mil 65dB2-Channel
LM1881 Texas Instruments interface IC
LM1881M/NOPB Texas Instruments Digital Isolators SOIC-8 5V~12V0°C~+70°C
LM1894 Texas Instruments amplifier IC
LM1894MX/NOPB Texas Instruments Audio Amplifiers SOIC-14 -56dB2-Channel
LM19 Texas Instruments interface IC
LM193 Texas Instruments amplifier IC
LM193DR Texas Instruments Comparators SOIC-8 1V~18V, -18V~-1V2
LM1949 Texas Instruments driver IC
LM1949N/NOPB Texas Instruments Relay / Coil Drivers PDIP-8 3V~5.5V22mA
LM1972 Texas Instruments interface IC
LM1972M Texas Instruments Audio Interface ICs SOIC-20 SPI4.5V~12V
LM1972N Texas Instruments Audio Interface ICs DIP-20 4.5V~12V0°C~+70°C
LM20 Texas Instruments power management IC
LM20123 Texas Instruments DC-DC converter IC
LM20123MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 1.5MHz3A
LM20124 Texas Instruments power management IC
LM20124MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 1MHz4A
LM20125 Texas Instruments power management IC
LM20125MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 440kHz~560kHz5A
LM20134 Texas Instruments power management IC
LM20134MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 410kHz4A
LM20136 Texas Instruments power management IC
LM20136MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 410kHz6A
LM20143 Texas Instruments power management IC
LM20143MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 1.5MHz3A
LM20143QMH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 1.5MHz3A
LM20144 Texas Instruments power management IC
LM20144MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 1.5MHz4A
LM20144QMH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 1.5MHz4A
LM20145 Texas Instruments DC-DC converter IC
LM20145MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 750kHz5A
LM20145QMH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 750kHz5A

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Frequently asked questions

Is National Semiconductor still in business?

National Semiconductor (LM op amps and regulators, LMV/LMH/LMP amplifiers, LP power ICs, DS90 LVDS, DP83 Ethernet PHYs, ADC08/ADC12 converters) was acquired by Texas Instruments in 2011.

Can I still buy National Semiconductor parts?

Yes. PartnerSemi quotes National Semiconductor part numbers, including obsolete and end-of-life parts and parts with old National Semiconductor markings. Send the part number and quantity; we reply with price, lead time, date code and origin. We are an independent distributor, not an authorized National Semiconductor or Texas Instruments distributor.

PartnerSemi is not affiliated with National Semiconductor or Texas Instruments. Brand names are used to identify parts only.