Microchip Technology nanoWatt XLP Microcontrollers|
| Extreme Low Power MicrocontrollersMicrochip Technology Extreme Low Power PIC MCUs featuring nanoWatt XLP™ Technology are useful in designing embedded applications with extremely low power consumption. Changes to nanoWatt technology introduced in April 2009 are collectively known as nanoWatt XLP™ Technology. This version represents a significant reduction of power consumption over the original nanoWatt Technology. To meet this standard, a Microchip Technology PIC microcontroller is required to have typical current consumption of less than the following: 100 nA for Power Down current (IPD), 800 nA Watchdog Timer current (IWDT), and 800 nA Real-time Clock & Calendar (IRTCC). Currently, nanoWatt XLP Technology is available in the most recent members of Microchip’s microcontrollers, including PIC16, PIC18, and PIC24F. | 
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XLP Features
Featured
Device Family
|
Datasheet | Flash
Memory
KB
|
Pins |
Sleep nA
|
WDT ∆lpd
nA
|
RTC/RTCC
∆lpd nA
|
1MHz Run
uA
|
Special
Features
|
| PIC16F727 |  | 3.5-14
| 28/44
| 20
| 480(1)
| 480(1)
| 110
| -
|
| PIC16F1937 | | 7-28
| 28/44
| 60
| 440(1)
| 540(1)
| 150
| EEPROM, LCD
|
| PIC18F14K50 | | 8-16
| 20
| 24
| 426(1)
| 766(1)
| 170
| EEPROM, USB
|
| PIC18F14K22 | | 8-16
| 20
| 34
| 426(1)
| 616(1)
| 150
| EEPROM
|
| PIC18F46K20 | | 8-64
| 28/44
| 100
| 500
| 500
| 300
| EEPROM
|
| PIC18F46J11 | | 16-64
| 28/44
| 24
| 800
| 800
| 272
| -
|
| PIC18F46J50 | | 16-64
| 28/44
| 24
| 800
| 800
| 272
| USB, CTMU, PMP, RTCC
|
| PIC24F16KA102 | | 4-16
| 14/20/28
| 20
| 400
| 500
| 195
| EEPROM, CTMU, RTCC
|
Electrical Specifications Comparison| Specifications | PIC16LF72X | PIC18F14K50 | PIC24F16KA102 |
Pins
| 28/44
| 20
| 20/28
|
Flash Memory (KB)
| 3.5-14 | 8-16
| 8-16
|
EEPROM
| -
| 256
| 512
|
RAM
| 368
| 768
| 1536
|
Deep Sleep (nA)
| -
| -
| 20
|
Sleep (RAM alive)
(nA)
|
20
|
24
|
25
|
CPU Wake up time
from Sleep Mode
RTC (uS)
|
5
|
5
|
1
|
WDT (nA)
| 500
| 450
| 420
|
RTC (nA)
| 500
| 790
| 520
|
I/O Port Leakage (nA)
| ±5
| ±5
| ±50
|
1MHz Run (uA)
| 110
| 170
| 195
|
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Power Consumption
Microchip’s nanoWatt Technology contains extensive features which are designed to reduce overall power consumption by providing flexible, yet powerful power management solutions for your application.
- Static power is the power consumed while the application is not active (Sleep). This power dissipation comes from transistor leakage inherent in CMOS processes, real-time clocks necessary for time keeping which run during sleep, system voltage supervisors, and watch-dog timer circuits.
- Active power is the power consumed while the application is active and executing tasks. This power dissipation is dominated by CMOS switching currents which are sensitive to execution frequency and voltage. Other power is consumed by the peripherals running on the product (like ADCs), or the state of the output pins.
- Average power is the power consumed when operating in both static and active operation states over time. The average power is affected by the amount of time spent in each state, as well as the time required to switch between sleep and active. This transfer time is referred to as fast wake-up.
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