PIC16LF1508-E/SS - 7KB Flash 20MHz XLP MCU 20-SSOP | Microchip
料号： PIC16LF1508-E/SS ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.25 | $3.25 |
| 10 | $2.95 | $29.50 |
| 100 | $2.6 | $260.00 |
| 500 | $2.3 | $1,150.00 |
| 1,000 | $2.05 | $2,050.00 |
PIC16LF1508-E/SS 概述
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and peripherals onto one silicon die. Within the broader taxonomy, the PIC16LF1508 belongs to the microcontrollers family, which itself is a sub-category of integrated circuits (ICs) used for embedded control. XLP (eXtreme Low Power) is Microchip's branding for MCUs optimized for battery-powered applications, featuring nanoWatt sleep currents down to tens of nanoamps. The 'LF' prefix indicates the wide-voltage 'F' process variant rated for 1.8 V to 3.6 V operation.
Key features include 20 MHz CPU speed, brown-out reset, power-on reset, PWM, I2C, SPI, and UART/USART connectivity, plus 10-bit ADC with 12 input channels. The device operates from 1.8 V to 3.6 V (LF variant), with low-power sleep current typically below 50 nA. Enhanced mid-range core supports 49 instructions and 16-level hardware stack.
The PIC16LF1508-E/SS uses an enhanced mid-range 8-bit RISC architecture with 14-bit instruction word, 49 base instructions, and a hardware multiplier. The CLC, NCO, and CWG peripherals enable sensor interface, signal generation, and motor control tasks without CPU intervention, freeing the core for application logic and reducing average power.
Typical applications include battery-powered IoT sensor nodes, low-power wireless remote controls, LED lighting controllers, consumer electronics user interfaces, and portable medical devices. The XLP technology makes it particularly suitable for energy-harvesting and multi-year battery-life products.
When designing with this MCU, ensure decoupling capacitors are placed close to VDD, follow Microchip's recommended ICSP programming connections, and use the MPLAB X IDE with XC8 compiler for development. Consider using the CLC and NCO peripherals to offload timing-critical tasks and reduce active CPU time.
This page synthesizes distributor pricing, drop-in alternative listings, application examples, and practical design notes that complement (rather than duplicate) the manufacturer datasheet, helping engineers evaluate the PIC16LF1508-E/SS for new designs.
直接替换替代料： PIC16LF1508-E/SS ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LF1508-E/SS （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, ADC, Core Architecture, DAC.
快速对比工具——选择替代料号进行并排对比：
PIC16LF1508-I/SS
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF1508T-I/SS
✅ 直接替换✓ 有现货
$1.1 / 个
查看数据手册 →PIC16F1508-E/SS
✅ 直接替换✓ 有现货
$1.05 / 个
查看数据手册 →PIC16LF1508-E/P
✅ 直接替换✓ 有现货
$1.05 / 个
查看数据手册 →PIC16LF1507-I/SS
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.75 / 个
查看数据手册 →PIC16LF1459-E/SS
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.55 / 个
查看数据手册 →PIC16LF1508-E/SS 最大额定值与电气特性
| Series | PIC XLP 16F |
| Core Processor | PIC16 |
| Core Size | 8-Bit |
| CPU Speed | 20 MHz |
| Program Memory Size | 7 KB (4K x 14) Flash |
| RAM Size | 256 B |
| Number of I/O | 18 |
| ADC Resolution | 10-bit, 12 channels |
| DAC | 5-bit, 1 channel |
| 电源电压 | 1.8 V to 3.6 V |
| 工作温度 | -40C to +125C |
| 封装 | 20-SSOP (0.209 inch / 5.30 mm width) |
| 安装类型 | Surface Mount |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, CLC, NCO, CWG |
| RoHS 状态 | Compliant |
PIC16LF1508-E/SS 引脚配置
| 引脚 1 | RA3/AN3/VREF+/T1G — Bidirectional I/O, analog input 3, voltage reference plus, Timer1 gate |
| 引脚 2 | RA4/AN4/T1G — Bidirectional I/O, analog input 4, Timer1 gate |
| 引脚 3 | RA5/MCLR/VPP — Bidirectional I/O, Master Clear (reset), programming voltage |
| 引脚 4 | RA6/OSC2/CLKOUT — Bidirectional I/O, oscillator output, clock output |
| 引脚 5 | RA7/OSC1/CLKIN — Bidirectional I/O, oscillator input, clock input |
| 引脚 6 | VSS — Ground reference |
| 引脚 7 | RA0/AN0/ICSPDAT — Bidirectional I/O, analog input 0, ICSP data |
| 引脚 8 | RA1/AN1/ICSPCLK — Bidirectional I/O, analog input 1, ICSP clock |
| 引脚 9 | RA2/AN2/DACOUT — Bidirectional I/O, analog input 2, DAC output |
| 引脚 10 | RC0 — Bidirectional I/O port C bit 0 |
| 引脚 11 | RC1 — Bidirectional I/O port C bit 1 |
| 引脚 12 | RC2 — Bidirectional I/O port C bit 2 |
| 引脚 13 | RC3 — Bidirectional I/O port C bit 3 |
| 引脚 14 | RC4 — Bidirectional I/O port C bit 4 |
| 引脚 15 | RC5 — Bidirectional I/O port C bit 5 |
| 引脚 16 | RC6 — Bidirectional I/O port C bit 6 |
| 引脚 17 | RC7 — Bidirectional I/O port C bit 7 |
| 引脚 18 | RB4/AN10 — Bidirectional I/O port B bit 4, analog input 10 |
| 引脚 19 | RB5/AN11 — Bidirectional I/O port B bit 5, analog input 11 |
| 引脚 20 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
典型应用
PIC16LF1508-E/SS 适用于 6 应用s: Battery-Powered IoT Sensor Node, Low-Power Wireless Remote Control, LED Lighting Controller, Consumer Electronics User Interface, Portable Medical Device Monitoring, Industrial Sensor Interface Module.
Battery-Powered IoT Sensor Node
The PIC16LF1508-E/SS suits battery-powered IoT sensor nodes because its XLP nanoWatt technology delivers sleep currents below 50 nA while retaining RAM, allowing wake-on-interrupt cycles every few seconds for years on a single CR2032 cell. The 12-channel 10-bit ADC with internal voltage reference directly digitizes sensor outputs (temperature, light, motion) without external components. With 7 KB Flash, the device accommodates small Contiki-NG or application-specific sensor fusion code, and the I2C/SPI peripherals connect to common low-power sensors and radio modules like the RN2483 LoRa transceiver.
推荐
Low-Power Wireless Remote Control
For handheld remote controls (TV, garage door, industrial keyfob), the PIC16LF1508-E/SS provides a 20 MHz core capable of running RF protocol stacks while its XLP sleep mode extends battery life beyond 5 years on a single coin cell. The 18 I/O pins support matrix keypads up to 4x4, and the CWG/NCO peripherals generate precise carrier frequencies without CPU intervention. The wide 1.8-3.6 V supply range works directly from 2x alkaline or single Li-ion batteries without an LDO.
推荐
LED Lighting Controller
The PIC16LF1508-E/SS is well-matched to LED lighting controllers: the 5-bit DAC and 12-bit PWM peripherals generate dimming curves, color mixing, and soft-fade effects with minimal CPU overhead, while the CWG peripheral produces complementary drive signals for half-bridge LED driver topologies. The 12-channel 10-bit ADC reads ambient light sensors and potentiometer inputs for closed-loop dimming. The 1.8 V minimum supply enables direct operation from 2-cell NiMH battery packs in portable fixtures.
推荐
Consumer Electronics User Interface
In consumer appliances (coffee makers, air purifiers, fans), the PIC16LF1508-E/SS drives user interfaces with capacitive touch buttons via the CLC peripherals, controls displays over SPI or I2C, and runs motor control loops via PWM. The 20 MHz CPU executes user-interface state machines and basic safety logic, while 7 KB Flash accommodates graphical menu structures. The -40C to +125C extended operating range suits appliance environments near heating elements.
推荐
Portable Medical Device Monitoring
For portable medical monitors (pulse oximeters, thermometers, glucose meters), the PIC16LF1508-E/SS provides the precision ADC for biosensor signal acquisition, while the XLP sleep mode extends battery life for patient use. The 5-bit DAC generates bias voltages for sensor front-ends, and the UART enables wired data transfer to host devices. The 1.8 V minimum supply allows direct operation from single-cell alkaline or coin-cell batteries typical of handheld medical devices.
推荐
Industrial Sensor Interface Module
In industrial 4-20 mA loop-powered sensor transmitters, the PIC16LF1508-E/SS operates from as low as 1.8 V after the loop sense resistor, providing ADC conversion of bridge sensors, thermistors, or RTDs. The 256-byte SRAM buffers linearization tables, while 7 KB Flash holds calibration coefficients and ModBus RTU protocol stack. The -40C to +125C extended temperature range handles factory-floor environments, and the brown-out reset plus watchdog timer ensure reliable industrial operation.
推荐
推荐产品汇总
工程参考数据： PIC16LF1508-E/SS ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16LF1508-I/SS | PIC16LF1508T-I/SS | PIC16F1508-E/SS | PIC16LF1508-E/P | PIC16LF1507-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-PDIP (through-hole) | 20-SSOP - same |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Flash Memory | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB | 3.5 KB |
| RAM | 256 B | 256 B | 256 B | 256 B | 256 B | 128 B |
| I/O Pins | 18 | 18 | 18 | 18 | 18 | 18 |
| ADC Channels | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +85C |
关键差异点
- Wide 1.8-3.6 V supply range with XLP nanoWatt sleep （对比 PIC16F1508-E/SS)
- Extended -40C to +125C operating temperature range （对比 PIC16LF1508-I/SS)
- On-chip CLC, NCO, and CWG peripherals （对比 PIC16LF1507-I/SS)
设计说明
For battery-powered designs, use the PIC16LF1508-E/SS sleep mode with peripherals disabled. Per Microchip datasheet section 10, typical sleep current with WDT disabled is 30-50 nA. The on-chip brown-out reset is factory-trimmed; enable BOR in configuration bits for reliable operation across the 1.8-3.6 V range. A 100 nF decoupling capacitor close to VDD (pin 20) plus a 10 uF bulk capacitor is recommended for ADC accuracy.
Place the ICSP programming connector (MCLR/ICSPCLK/ICSPDAT) on the PCB edge or test-point area so that PICkit 4 or MPLAB Snap can be attached without removing the MCU. Keep analog traces (AN0-AN11, VREF+, DACOUT) short and away from switching nodes. Per Microchip layout guidelines, ground the thermal pad (pin 6 VSS) with a wide trace to a low-impedance ground plane for best ADC performance.
Do not apply voltage to RA0/RA1/RA3 during POR when configured as digital inputs without first ensuring VDD is stable - this can cause latch-up. Always configure unused I/O pins as outputs driving low to minimize current leakage. The MCLR pin (RA5/MCLR) requires a 10 kohm pull-up to VDD for normal operation; do not leave it floating. For ADC accuracy, perform a calibration sequence at startup using the internal voltage reference.
合规信息
RoHS compliant per Microchip product page. PIC16LF1508-E/SS is NOT AEC-Q100 qualified; for automotive applications consult PIC16F1508-E/SS or AEC-Q100-qualified variants.
