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
LM317KTTR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DDPAK-3(TO-263-3) 1.5A1.25V~37V
LM317L Texas Instruments linear voltage regulator
LM317LCDR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 100mA1.25V~32V
LM317LCPWR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TSSOP-8 100mA1.25V~32V
LM317LIDR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 100mA1.25V~32V
LM317LILPR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-92-3 100mA1.25V~32V
LM317LIPK Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89 100mA1.25V~32V
LM317LMX/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 100mA1.2V~37V
LM317L-N Texas Instruments linear voltage regulator
LM317LZ/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-92 100mA1.2V~37V
LM317M Texas Instruments linear voltage regulator
LM317MDCYR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-4 500mA1.25V~37V
LM317MDT/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-252-3 500mA1.25V~37V
LM317MDTX/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-252 500mA1.2V~37V
LM317MKVURG3 Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-252 500mA1.25V~37V
LM317MQ Texas Instruments linear voltage regulator
LM317MQDCYR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-4 500mA1.25V~37V
LM317MQDCYRG4 Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-4 500mA1.25V~37V
LM317-N Texas Instruments linear voltage regulator
LM317-N-MIL Texas Instruments linear voltage regulator
LM317S/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 1.5A1.25V~37V
LM317SX Texas Instruments Dropout Regulators(LDO) TO-263-3 Adjustable
LM317SX/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 1.5A1.25V~37V
LM318 Texas Instruments amplifier IC
LM318D Texas Instruments Operational Amplifier SOIC-8 -20V~20V1
LM318M/NOPB Texas Instruments Operational Amplifier SOIC-8 5V~20V, -20V~-5V1
LM318MX/NOPB Texas Instruments Operational Amplifier SOIC-8 5V~20V, -20V~-5V1
LM318N Texas Instruments Operational Amplifier DIP-8 15mA
LM318N/NOPB Texas Instruments Operational Amplifier PDIP-8 -20V~20V1
LM318P Texas Instruments Operational Amplifier PDIP-8 -20V~20V1
LM318PG4 Texas Instruments Operational Amplifier PDIP-8 -20V~20V1
LM319 MWA Texas Instruments Comparators SOIC-14 2.8mV2
LM319MX/NOPB Texas Instruments Comparators SOIC-14 ±15V2
LM319-N Texas Instruments amplifier IC
LM319N/NOPB Texas Instruments Comparators PDIP-14 ±15V2
LM3203 Texas Instruments amplifier IC
LM3205 Texas Instruments amplifier IC
LM3208TLX Texas Instruments Power Management - Specialized DSBGA-8(1.3x2)
LM3209-G3 Texas Instruments amplifier IC
LM320-N Texas Instruments amplifier IC
LM321 Texas Instruments amplifier IC
LM321LV Texas Instruments amplifier IC
LM321LVIDBVR Texas Instruments Operational Amplifier SOT-23-5 5.1nV/√Hz@1kHz40mA
LM321LVIDCKR Texas Instruments Operational Amplifier SC-70-5 5.1nV/√Hz@1kHz40mA
LM321MF/NOPB Texas Instruments Operational Amplifier SOT-23-5 40nV/√Hz@1kHz40mA
LM321MFX/NOPB Texas Instruments Operational Amplifier SOT-23-5 40nV/√Hz@1kHz40mA
LM3224 Texas Instruments DC-DC converter IC
LM3224MM-ADJ/NOPB Texas Instruments DC-DC Converters MSOP-8 1.25MHz, 615kHz1.9A
LM323-N Texas Instruments amplifier IC
LM324 Texas Instruments amplifier IC
LM3241 Texas Instruments DC-DC converter IC
LM3241TLE/NOPB Texas Instruments DC-DC Converters DSBGA-6 6MHz750mA
LM3241TLX/NOPB Texas Instruments DC-DC Converters DSBGA-6 6MHz750mA
LM3242 Texas Instruments amplifier IC
LM3243 Texas Instruments amplifier IC
LM3248 Texas Instruments amplifier IC
LM3249TLE-C/NOPB Texas Instruments Power Management - Specialized TSSOP-14
LM324A Texas Instruments amplifier IC
LM324AD Texas Instruments Operational Amplifier SOIC-14 35nV/√Hz@1kHz20mA
LM324ADE4 Texas Instruments Operational Amplifier SOIC-14 35nV/√Hz@1kHz30mA

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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.