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
LM393 Texas Instruments amplifier IC
LM393A Texas Instruments amplifier IC
LM393ADR Texas Instruments Comparators SOIC-8 2V~18V, -18V~-2V2
LM393APSR Texas Instruments Comparators SOIC-8-208mil 1V~18V, -18V~-1V2
LM393APWR Texas Instruments Comparators TSSOP-8 36V2
LM393DGKR Texas Instruments Comparators VSSOP-8 36V2
LM393DR Texas Instruments Comparators SOIC-8 36V2
LM393DRE4 Texas Instruments Comparators SOIC-8 370uV2
LM393M Texas Instruments Comparators SOIC-8 1V~18V, -18V~-1V2
LM393M/NOPB Texas Instruments Comparators SOIC-8 1V~18V, -18V~-1V2
LM393MX/NOPB Texas Instruments Comparators SOIC-8 1V~18V, -18V~-1V2
LM393P Texas Instruments Comparators PDIP-8 2V~18V, -18V~-2V2
LM393PWR Texas Instruments Comparators TSSOP-8 36V2
LM3940 Texas Instruments linear voltage regulator
LM3940IMP-3.3/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 1A3.3V
LM3940ISX-3.3/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 1A3.3V
LM397 Texas Instruments amplifier IC
LM397MF/NOPB Texas Instruments Comparators SOT-23-5 ±15V1
LM397MFX/NOPB Texas Instruments Comparators SOT-23-5 ±15V1
LM3S102-IGZ20-C2 Texas Instruments Microcontrollers (MCU/MPU/SOC) VQFN-48(7x7) 20MHzARM Cortex-M3
LM3S102-IGZ20-C2T Texas Instruments Microcontrollers (MCU/MPU/SOC) VQFN-48(7x7) 20MHzARM Cortex-M3
LM3S1150 Texas Instruments microcontroller
LM3S1150-IBZ50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S1150-IBZ50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S1150-IQC50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S1435-IBZ50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S1439-IBZ50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S1439-IQC50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S1608 Texas Instruments microcontroller
LM3S1608-IQC50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S1751 Texas Instruments microcontroller
LM3S1751-IQC50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) ARM Cortex-M3FLASH
LM3S1850-IQC50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S1918 Texas Instruments microcontroller
LM3S1918-IQC50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S1958-IBZ50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S1960 Texas Instruments microcontroller
LM3S1960-IQC50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) QFP-100(14x14) 50MHzARM Cortex-M3
LM3S1968 Texas Instruments microcontroller
LM3S1968-IQC50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S1N11-IBZ50-C1T Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S1N11-IQC50-C1T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S1W16-IQR50-C0T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-64(10x10) 50MHzARM Cortex-M3
LM3S2432-IBZ50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S2432-IBZ50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S2432-IQC50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S2533-IQC50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S2608 Texas Instruments microcontroller
LM3S2608-IQC50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S2620 Texas Instruments microcontroller
LM3S2620-EQC25-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 25MHzARM Cortex-M3
LM3S2620-IBZ25-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 25MHzARM Cortex-M3
LM3S2620-IBZ25-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 25MHzARM Cortex-M3
LM3S2911 Texas Instruments microcontroller
LM3S2911-IBZ50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S2911-IBZ50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) BGA-108(10x10) 50MHzARM Cortex-M3
LM3S2911-IQC50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S2948 Texas Instruments microcontroller
LM3S2948-EQC50-A2 Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3
LM3S2948-EQC50-A2T Texas Instruments Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 50MHzARM Cortex-M3

Request a quote for National Semiconductor parts

Not listed? Most older National Semiconductor part numbers are not in any online catalog. Send them anyway.

We reply by email, usually within one business day. Your details are used only to handle this request (privacy).

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.