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
LM22672MRX-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8-EP 500kHz1A
LM22672MRX-ADJ/NOPB Texas Instruments DC-DC Converters SO-8-EP 500kHz1A
LM22672QMR-5.0/NOPB Texas Instruments DC-DC Converters SO-8 500kHz1A
LM22672QMR-ADJ/NOPB Texas Instruments DC-DC Converters SO-8 500kHz1A
LM22673 Texas Instruments DC-DC converter IC
LM22673MR-ADJ/NOPB Texas Instruments DC-DC Converters SO-8 500kHz3A
LM22673MRE-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8-EP 500kHz3A
LM22673QMR-5.0/NOPB Texas Instruments DC-DC Converters SO-8 500kHz3A
LM22673QMR-ADJ/NOPB Texas Instruments DC-DC Converters SO-8 500kHz3A
LM22674 Texas Instruments DC-DC converter IC
LM22674MR-5.0/NOPB Texas Instruments DC-DC Converters SOPowerPAD-8 500kHz500mA
LM22674MRX-5.0/NOPB Texas Instruments DC-DC Converters SO-8-EP 500kHz500mA
LM22674MRX-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8-EP 500kHz500mA
LM22674QMR-5.0/NOPB Texas Instruments DC-DC Converters SO-8 500kHz500mA
LM22675 Texas Instruments DC-DC converter IC
LM22675MR-5.0/NOPB Texas Instruments DC-DC Converters SOPowerPAD-8 500kHz1A
LM22675MR-ADJ/NOPB Texas Instruments DC-DC Converters SOPowerPAD-8 500kHz1A
LM22675MRX-5.0/NOPB Texas Instruments DC-DC Converters SO-8-EP 500kHz1A
LM22675MRX-ADJ/NOPB Texas Instruments DC-DC Converters SO-8-EP 500kHz1A
LM22675QMR-5.0/NOPB Texas Instruments DC-DC Converters SO-8 500kHz1A
LM22675QMR-ADJ/NOPB Texas Instruments DC-DC Converters SO-8 500kHz1A
LM22676 Texas Instruments DC-DC converter IC
LM22676MR-5.0/NOPB Texas Instruments DC-DC Converters HSOP-8-EP 500kHz3A
LM22676MRE-5.0 Texas Instruments DC-DC Converters SOIC-8-EP Step-down typeBuilt-in
LM22676MRE-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8-EP 500kHz3A
LM22676MRX-5.0/NOPB Texas Instruments AC-DC Controllers & Regulators SOIC-8-EP 500kHz3A
LM22676MRX-ADJ Texas Instruments DC-DC Converters SO-8-EP Step-down type
LM22676MRX-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8-EP 500kHz3A
LM22676QMR-5.0/NOPB Texas Instruments DC-DC Converters SO-8 500kHz3A
LM22676QMR-ADJ/NOPB Texas Instruments DC-DC Converters SO-8 500kHz3A
LM22676TJ-5.0/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz3A
LM22676TJ-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz3A
LM22677 Texas Instruments DC-DC converter IC
LM22677QTJ-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz5A
LM22677TJ-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz5A
LM22678 Texas Instruments DC-DC converter IC
LM22678TJ-5.0/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz5A
LM22678TJ-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz5A
LM22678TJE-5.0/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz5A
LM22679 Texas Instruments DC-DC converter IC
LM22679TJ-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz5A
LM22679TJE-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 500kHz5A
LM22680 Texas Instruments DC-DC converter IC
LM22680MR-ADJ/NOPB Texas Instruments DC-DC Converters SO-8-EP 500kHz~1MHz2A
LM22680MRX-ADJ/NOPB Texas Instruments DC-DC Converters SOP-8-EP 500kHz2A
LM22680QMR-ADJ/NOPB Texas Instruments DC-DC Converters SO-8 500kHz2A
LM231 Texas Instruments data converter IC
LM231N/NOPB Texas Instruments V/F And F/V Converters PDIP-8 100kHz4V~40V
LM234 Texas Instruments power management IC
LM234Z-6/NOPB Texas Instruments Current Source / Constant Current Source TO-92 10mA1V~40V
LM236AH-5.0/NOPB Texas Instruments Voltage Reference TO-46-3 10mA5V
LM236D-2-5 Texas Instruments Voltage Reference SOIC-8 20mA2.49V
LM236DR-2-5 Texas Instruments Voltage Reference SOIC-8 20mA2.49V
LM236H-5.0 Texas Instruments Voltage Reference TO-46-3 10mA5V
LM236H-5.0/NOPB Texas Instruments Voltage Reference TO-46-3 10mA5V
LM239 Texas Instruments amplifier IC
LM239A Texas Instruments amplifier IC
LM239AD Texas Instruments Comparators SOIC-14 370uVFour channels
LM239ADR Texas Instruments Comparators SOIC-14 1V~18V, -18V~-1VFour channels
LM239DR Texas Instruments Comparators SOIC-14 1V~18V, -18V~-1VFour channels

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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.