|  | Microchip Technology | IC MCU 8BIT 14KB FLASH 14SOIC | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 12 | 14KB (8K x 14) | FLASH | 128 x 8 | 1K x 8 | 1.8 V ~ 3.6 V | A/D 8x10b, D/A 1x5b, 1x10b | Internal | -40°C ~ 85°C (TA) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC | 
                    
                |  | Microchip Technology | IC MCU 8BIT 14KB FLASH 40UQFN | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 36 | 14KB (8K x 14) | FLASH | 256 x 8 | 1K x 8 | 2.3 V ~ 5.5 V | A/D 35x10b, D/A 1x5b | Internal | -40°C ~ 85°C (TA) | 40-UFQFN Exposed Pad | 40-UQFN (5x5) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 14KB FLASH 40UQFN | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 36 | 14KB (8K x 14) | FLASH | 256 x 8 | 1K x 8 | 1.8 V ~ 3.6 V | A/D 35x10b, D/A 1x5b | Internal | -40°C ~ 85°C (TA) | 40-UFQFN Exposed Pad | 40-UQFN (5x5) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 14KB FLASH 40UQFN | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 36 | 14KB (8K x 14) | FLASH | - | 1K x 8 | 1.8 V ~ 3.6 V | A/D 34x10b | Internal | -40°C ~ 85°C (TA) | 40-UFQFN Exposed Pad | 40-UQFN (5x5) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 3.5KB FLASH 28QFN | Active | PIC | 8-Bit | 20MHz | I²C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 25 | 3.5KB (2K x 14) | FLASH | - | 128 x 8 | 1.8 V ~ 5.5 V | A/D 11x8b | Internal | -40°C ~ 125°C (TA) | 28-VQFN Exposed Pad | 28-QFN (6x6) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 3.5KB FLASH 28UQFN | Active | PIC | 8-Bit | 20MHz | I²C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 25 | 3.5KB (2K x 14) | FLASH | - | 128 x 8 | 1.8 V ~ 5.5 V | A/D 11x8b | Internal | -40°C ~ 125°C (TA) | 28-UFQFN Exposed Pad | 28-UQFN (4x4) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 3.5KB FLASH 28QFN | Active | PIC | 8-Bit | 20MHz | I²C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 25 | 3.5KB (2K x 14) | FLASH | - | 128 x 8 | 1.8 V ~ 3.6 V | A/D 11x8b | Internal | -40°C ~ 125°C (TA) | 28-VQFN Exposed Pad | 28-QFN (6x6) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 3.5KB FLASH 28UQFN | Active | PIC | 8-Bit | 20MHz | I²C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 25 | 3.5KB (2K x 14) | FLASH | - | 128 x 8 | 1.8 V ~ 3.6 V | A/D 11x8b | Internal | -40°C ~ 125°C (TA) | 28-UFQFN Exposed Pad | 28-UQFN (4x4) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 14KB FLASH 16UQFN | Active | PIC | 8-Bit | 48MHz | I²C, LINbus, SPI, UART/USART, USB | Brown-out Detect/Reset, POR, PWM, WDT | 8 | 14KB (8K x 14) | FLASH | - | 1K x 8 | 2.3 V ~ 5.5 V | A/D 5x10b, D/A 1x5b | Internal | -40°C ~ 85°C (TA) | 16-UQFN Exposed Pad | 16-UQFN (4x4) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 7KB FLASH 20UQFN | Active | PIC | 8-Bit | 32MHz | I²C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 17 | 7KB (4K x 14) | FLASH | 256 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 12x10b | Internal | -40°C ~ 85°C (TA) | 20-UFQFN Exposed Pad | 20-UQFN (4x4) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 14KB FLASH 16UQFN | Active | PIC | 8-Bit | 48MHz | I²C, LINbus, SPI, UART/USART, USB | Brown-out Detect/Reset, POR, PWM, WDT | 8 | 14KB (8K x 14) | FLASH | - | 1K x 8 | 1.8 V ~ 3.6 V | A/D 5x10b, D/A 1x5b | Internal | -40°C ~ 85°C (TA) | 16-UQFN Exposed Pad | 16-UQFN (4x4) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 7KB FLASH 20UQFN | Active | PIC | 8-Bit | 32MHz | I²C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 17 | 7KB (4K x 14) | FLASH | 256 x 8 | 256 x 8 | 1.8 V ~ 3.6 V | A/D 12x10b | Internal | -40°C ~ 85°C (TA) | 20-UFQFN Exposed Pad | 20-UQFN (4x4) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 14KB FLASH 20SOIC | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 18 | 14KB (8K x 14) | FLASH | - | 1K x 8 | 2.3 V ~ 5.5 V | A/D 12x10b, D/A 1x8b | Internal | -40°C ~ 85°C (TA) | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC | 
                    
                |  | Microchip Technology | IC MCU 8BIT 14KB FLASH 20SOIC | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 18 | 14KB (8K x 14) | FLASH | - | 1K x 8 | 1.8 V ~ 3.6 V | A/D 12x10b, D/A 1x8b | Internal | -40°C ~ 85°C (TA) | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC | 
                    
                |  | Microchip Technology | IC MCU 8BIT 16KB FLASH 32TQFP | Active | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 27 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 105°C (TA) | 32-TQFP | 32-TQFP (7x7) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 28KB FLASH 28SOIC | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 25 | 28KB (16K x 14) | FLASH | 256 x 8 | 2K x 8 | 2.3 V ~ 5.5 V | A/D 24x10b, D/A 1x5b | Internal | -40°C ~ 85°C (TA) | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC | 
                    
                |  | Microchip Technology | IC MCU 8BIT 28KB FLASH 28QFN | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 25 | 28KB (16K x 14) | FLASH | 256 x 8 | 2K x 8 | 1.8 V ~ 3.6 V | A/D 24x10b, D/A 1x5b | Internal | -40°C ~ 85°C (TA) | 28-VQFN Exposed Pad | 28-QFN (6x6) | 
                    
                |  | Microchip Technology | IC MCU 8BIT 28KB FLASH 28SOIC | Active | PIC | 8-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 25 | 28KB (16K x 14) | FLASH | 256 x 8 | 2K x 8 | 1.8 V ~ 3.6 V | A/D 24x10b, D/A 1x5b | Internal | -40°C ~ 85°C (TA) | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC | 
                    
                |  | Maxim Integrated | IC MCU 16BIT 48KB FLASH DIESALE | Active | - | 16-Bit | 12MHz | SPI, UART/USART | Brown-out Detect/Reset, Infrared, Power-Fail, POR, WDT | 24 | 48KB (48K x 8) | FLASH | - | 1.5K x 8 | 1.7 V ~ 3.6 V | - | Internal | 0°C ~ 70°C (TA) | Die | Diesale | 
                    
                |  | STMicroelectronics | IC MCU 8BIT 32KB FLASH 48LQFP | Active | STM8 | 8-Bit | 24MHz | I²C, IrDA, LINbus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 38 | 32KB (32K x 8) | FLASH | 1K x 8 | 6K x 8 | 2.95 V ~ 5.5 V | A/D 10x10b | Internal | -40°C ~ 85°C (TA) | 48-LQFP | - | 
                    
                |  | Texas Instruments | IC MCU 16BIT 8KB FLASH 16QFN | Active | MSP430 | 16-Bit | 16MHz | I²C, SPI, USI | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 10 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 16-VQFN Exposed Pad | 16-QFN (4x4) | 
                    
                |  | Texas Instruments | IC MCU 16BIT 4KB FLASH 32VQFN | Active | MSP430 | 16-Bit | 16MHz | I²C, IrDA, LINbus, SCI, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 24 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 32-VFQFN Exposed Pad | 32-VQFN (5x5) | 
                    
                |  | Texas Instruments | IC MCU 16BIT 8KB FLASH 16QFN | Active | MSP430 | 16-Bit | 16MHz | I²C, SPI, USI | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 10 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | A/D 8x10b | Internal | -40°C ~ 85°C (TA) | 16-VQFN Exposed Pad | 16-QFN (4x4) | 
                    
                |  | STMicroelectronics | IC MCU 32BIT 128KB FLASH 48LQFP | Active | ARM® Cortex®-M0 | 32-Bit | 48MHz | I²C, SPI, UART/USART, USB | DMA, POR, PWM, WDT | 37 | 128KB (128K x 8) | FLASH | - | 16K x 8 | 2.4 V ~ 3.6 V | A/D 13x12b | Internal | -40°C ~ 85°C (TA) | 48-LQFP | 48-LQFP (7x7) | 
                    
                |  | STMicroelectronics | IC MCU 32BIT 16KB FLASH 32UFQFPN | Active | ARM® Cortex®-M0+ | 32-Bit | 32MHz | I²C, IrDA, LINbus, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 27 | 16KB (16K x 8) | FLASH | 1K x 8 | 8K x 8 | 1.8 V ~ 3.6 V | A/D 10x12b | Internal | -40°C ~ 85°C (TA) | - | - | 
                    
                |  | STMicroelectronics | IC MCU 32BIT 16KB FLASH 32LQFP | Active | ARM® Cortex®-M0+ | 32-Bit | 32MHz | I²C, IrDA, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 26 | 16KB (16K x 8) | FLASH | 512 x 8 | 2K x 8 | 1.65 V ~ 3.6 V | A/D 10x12b | Internal | -40°C ~ 85°C (TA) | 32-LQFP | 32-LQFP (7x7) | 
                    
                |  | Texas Instruments | IC MCU 16BIT 1KB FLASH 20DIP | Active | MSP430 | 16-Bit | 16MHz | I²C, IrDA, LINbus, SCI, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 16 | 1KB (1K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 20-DIP (0.300", 7.62mm) | 20-PDIP | 
                    
                |  | Texas Instruments | IC MCU 16BIT 1KB FLASH 14DIP | Active | MSP430 | 16-Bit | 16MHz | I²C, SPI | Brown-out Detect/Reset, POR, PWM, WDT | 10 | 1KB (1K x 8) | FLASH | - | 128 x 8 | 1.8 V ~ 3.6 V | A/D 8x10b | Internal | -40°C ~ 85°C (TA) | 14-DIP (0.300", 7.62mm) | 14-PDIP | 
                    
                |  | Texas Instruments | IC MCU 16BIT 2KB FLASH 20TSSOP | Active | MSP430 | 16-Bit | 16MHz | I²C, IrDA, LINbus, SCI, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 16 | 2KB (2K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP | 
                    
                |  | Texas Instruments | IC MCU 16BIT 8KB FLASH 16QFN | Active | MSP430 | 16-Bit | 16MHz | I²C, SPI, USI | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 10 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 16-VQFN Exposed Pad | 16-QFN (4x4) | 
                    
                |  | Texas Instruments | IC MCU 16BIT 4KB FLASH 32VQFN | Active | MSP430 | 16-Bit | 16MHz | I²C, IrDA, LINbus, SCI, SPI, UART/USART | Brown-out Detect/Reset, PWM, WDT | 24 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | A/D 8x10b | Internal | -40°C ~ 85°C (TA) | 32-VFQFN Exposed Pad | 32-VQFN (5x5) | 
                    
                |  | STMicroelectronics | IC MCU 8BIT 32KB FLASH 48LQFP | Active | STM8 | 8-Bit | 16MHz | I²C, IrDA, SPI, UART/USART | Brown-out Detect/Reset, DMA, IR, POR, PWM, WDT | 41 | 32KB (32K x 8) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 3.6 V | A/D 25x12b, D/A 1x12b | Internal | -40°C ~ 125°C (TA) | 48-LQFP | 48-LQFP (7x7) | 
                    
                |  | STMicroelectronics | IC MCU 8BIT 32KB FLASH 48UFQFPN | Active | STM8 | 8-Bit | 16MHz | I²C, IrDA, SPI, UART/USART | Brown-out Detect/Reset, DMA, IR, POR, PWM, WDT | 41 | 32KB (32K x 8) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 3.6 V | A/D 25x12b, D/A 1x12b | Internal | -40°C ~ 125°C (TA) | 48-UFQFN Exposed Pad | - | 
                    
                |  | Microchip Technology | IC MCU 8BIT 1.75KB FLASH 8DFN | Active | PIC | 8-Bit | 20MHz | - | Brown-out Detect/Reset, POR, WDT | 5 | 1.75KB (1K x 14) | FLASH | 128 x 8 | 64 x 8 | 2 V ~ 5.5 V | - | Internal | -40°C ~ 85°C (TA) | 8-VDFN Exposed Pad | 8-DFN (4x4) | 
                    
                |  | ON Semiconductor | IC MCU 8BIT 8KB FLASH 24DIP | Active | - | 8-Bit | 12MHz | SIO, UART/USART | LVD, POR, WDT | 9 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 4.5 V ~ 5.5 V | A/D 5x12b | Internal | -40°C ~ 85°C (TA) | 24-SDIP (0.300", 7.62mm) | 24-PDIP/DIPS | 
                    
                |  | Cypress Semiconductor Corp | IC MCU 32BIT 16KB FLASH 48TQFP | Active | ARM® Cortex®-M0+ | 32-Bit | 24MHz | I²C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART | Brown-out Detect/Reset, CapSense, LCD, LVD, POR, PWM, WDT | 36 | 16KB (16K x 8) | FLASH | - | 2K x 8 | 1.71 V ~ 5.5 V | A/D 1x10b | Internal | -40°C ~ 85°C (TA) | 48-TQFP | 48-TQFP (7x7) | 
                    
                |  | ON Semiconductor | IC MCU 8BIT 8KB FLASH 24DIP | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                    
                |  | Nuvoton Technology Corporation of America | IC MCU 8BIT 4KB FLASH 48LQFP | Not For New Designs | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 2.4 V ~ 5.5 V | - | External | -40°C ~ 85°C (TA) | 48-LQFP | - | 
                    
                |  | Renesas Electronics America | RL78/G13 16KB/2KB4KB 30SSOP -40 | Active | RL78 | 16-Bit | 32MHz | CSI, I²C, LINbus, UART/USART | DMA, LVD, POR, PWM, WDT | 21 | 16KB (16K x 8) | FLASH | - | 2K x 8 | 1.6 V ~ 5.5 V | A/D 8x8/10b | Internal | -40°C ~ 105°C (TA) | 30-LSSOP (0.240", 6.10mm Width) | 30-LSSOP | 
                    
                |  | Cypress Semiconductor Corp | IC MCU 32BIT 16KB FLASH 16WLCSP | Active | ARM® Cortex®-M0 | 32-Bit | 16MHz | I²C | Brown-out Detect/Reset, POR, PWM, WDT | 12 | 16KB (16K x 8) | FLASH | - | 2K x 8 | 1.71 V ~ 5.5 V | D/A 1x7b, 1x8b | Internal | -40°C ~ 85°C (TA) | 16-XFBGA | 16-WLCSP (1.45x1.56) | 
                    
                |  | Infineon Technologies | IC MCU 32BIT 64KB FLASH 40VQFN | Active | ARM® Cortex®-M0 | 32-Bit | 32MHz | I²C, LINbus, SPI, UART/USART | Brown-out Detect/Reset, I²S, POR, PWM, WDT | 27 | 64KB (64K x 8) | FLASH | - | 16K x 8 | 1.8 V ~ 5.5 V | A/D 16x12b | Internal | -40°C ~ 105°C (TA) | 40-VFQFN Exposed Pad | PG-VQFN-40-13 | 
                    
                |  | Texas Instruments | IC MCU 16BIT 2KB FLASH 20DIP | Active | MSP430 | 16-Bit | 16MHz | I²C, IrDA, LINbus, SCI, SPI, UART/USART | Brown-out Detect/Reset, PWM, WDT | 16 | 2KB (2K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 20-DIP (0.300", 7.62mm) | 20-PDIP | 
                    
                |  | Texas Instruments | IC MCU 16BIT 1KB FLASH 20TSSOP | Active | MSP430 | 16-Bit | 16MHz | I²C, IrDA, LINbus, SCI, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 16 | 1KB (1K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | A/D 8x10b | Internal | -40°C ~ 85°C (TA) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP | 
                    
                |  | Silicon Labs | IC MCU 8BIT 8KB FLASH 20QFN | Not For New Designs | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART | Cap Sense, POR, PWM, Temp Sensor, WDT | 17 | 8KB (8K x 8) | FLASH | - | 512 x 8 | 1.8 V ~ 3.6 V | A/D 16x10b | Internal | -40°C ~ 85°C (TA) | 20-VFQFN Exposed Pad | 20-QFN (4x4) | 
                    
                |  | Silicon Labs | IC MCU 8BIT 8KB FLASH 20QFN | Not For New Designs | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART | Cap Sense, POR, PWM, WDT | 17 | 8KB (8K x 8) | FLASH | - | 512 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 20-VFQFN Exposed Pad | 20-QFN (4x4) | 
                    
                |  | Silicon Labs | IC MCU 8BIT 8KB FLASH 16SOIC | Not For New Designs | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART | Cap Sense, POR, PWM, Temp Sensor, WDT | 13 | 8KB (8K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | A/D 12x10b | Internal | -40°C ~ 85°C (TA) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC | 
                    
                |  | Silicon Labs | IC MCU 8BIT 4KB FLASH 16SOIC | Not For New Designs | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART | Cap Sense, POR, PWM, WDT | 13 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC | 
                    
                |  | Silicon Labs | IC MCU 8BIT 8KB OTP 11QFN | Not For New Designs | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), UART/USART | POR, PWM, WDT | 8 | 8KB (8K x 8) | OTP | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 10-VFDFN Exposed Pad | 11-QFN (3x3) | 
                    
                |  | Silicon Labs | IC MCU 8BIT 8KB OTP 14SOIC | Not For New Designs | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), UART/USART | POR, PWM, WDT | 8 | 8KB (8K x 8) | OTP | - | 256 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC | 
                    
                |  | Silicon Labs | IC MCU 8BIT 8KB FLASH 24QFN | Last Time Buy | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), SPI, UART/USART | POR, PWM, WDT | 21 | 8KB (8K x 8) | FLASH | 512 x 8 | 1K x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C (TA) | 24-WFQFN Exposed Pad | 24-QFN (4x4) |