Obsolete Microcontrollers (MCU) — 59 discontinued part numbers
59 part numbers in this category are recorded as discontinued or sold out at the manufacturer. 45 of them we can supply from stock today; the rest we will go looking for when you ask. Status and availability below are shown as recorded — no projections.
59part numbers on record
45available now
24hreply on a part number
| Part number | Manufacturer | Package | Status | Availability | |
|---|---|---|---|---|---|
| 73S1210F-44MR/F/PC | MAXIM | QFN-44(7x7) | Discontinued | Source to order | Ask |
| Aip8F3264 | Wuxi I-core Elec | LQFP-48(7x7) | Sold out | In stock | Ask |
| BF6971AS14 | BYD | SOP-20-300mil | Sold out | In stock | Ask |
| CS32L010F8U6 | CHIPSEA | QFN-20(3x3) | Discontinued | In stock | Ask |
| ESP32-P4NRW32 | ESPRESSIF | QFN-104(10x10) | Discontinued | Source to order | Ask |
| F28388DZWTS | Texas Instruments | BGA-337 | Sold out | Source to order | Ask |
| F28P550SJ9PZR | Texas Instruments | LQFP-100(14x14) | Sold out | Source to order | Ask |
| F28P650DK7NMRR | Texas Instruments | NFBGA-169 | Sold out | Source to order | Ask |
| FT61F022A-RB | FMD(Fremont Micro Devices) | SOP-14 | Discontinued | In stock | Ask |
| HT80C196KC20 | HTCSEMI | PLCC-68 | Discontinued | Source to order | Ask |
| LCP037BT32EU8 | LNCHIP | QFN-40 | Sold out | Source to order | Ask |
| LKT6850 | LinkCoreSafe | SSOP-28 | Sold out | Source to order | Ask |
| LT32U03A | Levetop | QFN-48-EP(6x6) | Sold out | In stock | Ask |
| LT32U03B | Levetop | QFN-68 | Sold out | In stock | Ask |
| LT32U03C | Levetop | LQFP-100 | Sold out | In stock | Ask |
| MA805-24AD44 | Megawin Tech | LQFP-44(10x10) | Sold out | In stock | Ask |
| MAXQ615-F00+ | MAXIM | TQFN-16(4x4) | Discontinued | Source to order | Ask |
| MG32F103RBT6 | Megawin Tech | LQFP-64(10x10) | Sold out | In stock | Ask |
| MG32F104RCT6 | Megawin Tech | LQFP-64(10x10) | Sold out | In stock | Ask |
| MPC89E58AP | Megawin Tech | PLCC-44(16.5x16.5) | Sold out | Source to order | Ask |
| MPC89L54AD44 | Megawin Tech | LQFP-44(10x10) | Sold out | In stock | Ask |
| MSP430F2121IPW | Texas Instruments | TSSOP-20 | Sold out | In stock | Ask |
| MSP430FR2311IPW16 | Texas Instruments | TSSOP-16 | Sold out | Source to order | Ask |
| NY8B062E | Nyquest | SOP-16 | Sold out | In stock | Ask |
| R5F100JEAFA#30 | RENESAS | LQFP-52(10x10) | Discontinued | In stock | Ask |
| RM1221AQN28A | Realmagic | QFN-28 | Sold out | In stock | Ask |
| SN8F570212SG | SONIX | SOIC-16 | Sold out | In stock | Ask |
| SN8F5814SG | SONIX | SOIC-28-300mil | Sold out | In stock | Ask |
| SN8P1927XG | SONIX | SSOP-48-300mil | Sold out | In stock | Ask |
| SN8P2604ASG | SONIX | SOP-28-300mil | Sold out | Source to order | Ask |
| SN8P2711A | SONIX | SOP-14 | Sold out | In stock | Ask |
| SN8P27142SG | SONIX | SOP-18-300mil | Sold out | In stock | Ask |
| STM32C071FBY6TR | STMicroelectronics | WLCSP-19(2.5x1.6) | Sold out | In stock | Ask |
| STM32F103RCT6-TD | TDSEMIC | LQFP-64(10x10) | Sold out | In stock | Ask |
| TAE32F5300ALF128 | Tai-Action | LQFP-64(10x10) | Sold out | In stock | Ask |
| TAE32G5800TQD256 | Tai-Action | QFN-48(7x7) | Sold out | In stock | Ask |
| TMS320F280049PZQR | Texas Instruments | LQFP-100(14x14) | Discontinued | Source to order | Ask |
| WS8100F5EQ4 | wisesun | QFN-48(7x7) | Sold out | In stock | Ask |
| WS8100F5ES1 | wisesun | SOP-16 | Sold out | In stock | Ask |
| WT2605A4-24SS | WT(Guangzhou Wei Chuang Elec) | SSOP-24 | Sold out | In stock | Ask |
| WT2605A8-24SS | WT(Guangzhou Wei Chuang Elec) | SSOP-24 | Sold out | In stock | Ask |
| WTK6900FC-24SS Snoring recognition | WT(Guangzhou Wei Chuang Elec) | SSOP-24 | Sold out | In stock | Ask |
| WTK6900HA8-16S | WT(Guangzhou Wei Chuang Elec) | SOP-16 | Sold out | In stock | Ask |
| WTK6900HC8-16S | WT(Guangzhou Wei Chuang Elec) | SOP-16 | Sold out | In stock | Ask |
| WTV380-P-B014 | WT(Guangzhou Wei Chuang Elec) | QFN-32(4x4) | Sold out | In stock | Ask |
| WTV600A-28SS | WT(Guangzhou Wei Chuang Elec) | SSOP-28 | Sold out | In stock | Ask |
| WTV890-P-B014 | WT(Guangzhou Wei Chuang Elec) | QFN-32(4x4) | Sold out | In stock | Ask |
| X000048 | Arduino | DIP-28 | Discontinued | In stock | Ask |
| XM003T | FM | TSSOP-20 | Sold out | In stock | Ask |
| XMC1301-T038F0032 AB | Infineon | TSSOP-38-4.4mm | Sold out | In stock | Ask |
| XMC1301T038F0032ABXUMA1 | Infineon | TSSOP-38-4.4mm | Sold out | In stock | Ask |
| XMC1302Q040X0200ABXUMA1 | Infineon | QFN-40-EP(5x5) | Discontinued | In stock | Ask |
| XMC1302T016X0016ABXUMA1 | Infineon | TSSOP-16 | Sold out | In stock | Ask |
| XMC1403Q064X0200AAXUMA1 | Infineon | VQFN-64 | Discontinued | In stock | Ask |
| YTM32B1HA01G0MLQT | YUNTU | LQFP-144(20x20) | Sold out | In stock | Ask |
| YTM32B1LE04H0MLET | YUNTU | LQFP-32(7x7) | Sold out | In stock | Ask |
| YTM32B1LE04H0MLFT | YUNTU | LQFP-48(7x7) | Sold out | In stock | Ask |
| YTM32B1MC03H0MLFT | YUNTU | LQFP-48(7x7) | Sold out | Source to order | Ask |
| YTM32Z1LS06H0MFNR | YUNTU | QFN-48(7x7) | Sold out | In stock | Ask |
If the part you need is not listed, that does not mean it cannot be found — it means we have no record of it yet. Send the number and we will check the same channels we check for everything here.
Need an obsolete Microcontrollers (MCU) part?
Send the part number, quantity and application. One of three answers within 24 hours: in stock, can source with a lead time, or cannot get it.
Email us — reply within 24 hours
Lifecycle status comes from manufacturer and distributor data feeds and is shown as published.
Availability reflects stock recorded against the part number at the last check, not a reservation.