PIC12F508/509/16F505

8/14-Pin, 8-Bit Flash Microcontrollers

Devices Included In This Data Sheet:

• PIC12F508

• PIC12F509

• PIC16F505

High-Performance RISC CPU:

• Only 33 single-word instructions to learn

• All single-cycle instructions except for program branches, which are two-cycle

• 12-bit wide instructions

• 2-level deep hardware stack

• Direct, Indirect and Relative Addressing modes for data and instructions

• 8-bit wide data path

• 8 Special Function Hardware registers

• Operating speed:

- DC – 20 MHz clock input (PIC16F505 only)

- DC – 200 ns instruction cycle (PIC16F505 only)

- DC – 4 MHz clock input

- DC – 1000 ns instruction cycle

Special Microcontroller Features:

• 4 MHz precision internal oscillator:

- Factory calibrated to ±1%

• In-Circuit Serial Programming™ (ICSP™)

• In-Circuit Debugging (ICD) support

• Power-on Reset (POR)

• Device Reset Timer (DRT)

• Watchdog Timer (WDT) with dedicated on-chip RC oscillator for reliable operation

• Programmable code protection

• Multiplexed MCLR input pin

• Internal weak pull-ups on I/O pins

• Power-saving Sleep mode

• Wake-up from Sleep on pin change

• Selectable oscillator options:

- INTRC: 4 MHz precision Internal oscillator

- EXTRC: External low-cost RC oscillator

- XT: Standard crystal/resonator

- HS: High-speed crystal/resonator (PIC16F505 only)

- LP: Power-saving, low-frequency crystal

- EC: High-speed external clock input (PIC16F505 only)

Low-Power Features/CMOS Technology:

• Operating Current:

- < 350 μA @ 2V, 4 MHz

• Standby Current:

- 100 nA @ 2V, typical

• Low-power, high-speed Flash technology:

- 100,000 Flash endurance

- > 40 year retention

• Fully static design

• Wide operating voltage range: 2.0V to 5.5V

• Wide temperature range:

- Industrial: -40°C to +85°C

- Extended: -40°C to +125°C

Peripheral Features (PIC12F508/509):

• 6 I/O pins:

- 5 I/O pins with individual direction control

- 1 input only pin

- High current sink/source for direct LED drive

- Wake-on-change

- Weak pull-ups

• 8-bit real-time clock/counter (TMR0) with 8-bit programmable prescaler

Peripheral Features (PIC16F505):

• 12 I/O pins:

- 11 I/O pins with individual direction control

- 1 input only pin

- High current sink/source for direct LED drive

- Wake-on-change

- Weak pull-ups

• 8-bit real-time clock/counter (TMR0) with 8-bit programmable prescaler

Pin Diagrams

Absolute Maximum Ratings^(†)

Ambient temperature under bias.......................................................................-40°C to +125°C

Storage temperature ........................................................................................-65°C to +150°C

Voltage on V_DD with respect to V_SS ...........................................................................0 to +6.5V

Voltage on MCLR with respect to V_SS.......................................................................0 to +13.5V

Voltage on all other pins with respect to V_SS ........................................... -0.3V to (V_DD + 0.3V)

Total power dissipation⁽¹⁾ ..............................................................................................800 mW

Max. current out of V_SS pin .............................................................................................200 mA

Max. current into V_DD pin.................................................................................................150 mA

Input clamp current, I_IK (V_I < 0 or V_I > V_DD)......................................................................±20 mA

Output clamp current, I_OK (V_O < 0 or V_O > V_DD) ..............................................................±20 mA

Max. output current sunk by any I/O pin .............................................................................25 mA

Max. output current sourced by any I/O pin ........................................................................25 mA

Max. output current sourced by I/O port .............................................................................75 mA

Max. output current sunk by I/O port ...................................................................................75 mA

Note 1: Power dissipation is calculated as follows: PDIS = VDD x {IDD – ∑ IOH} + ∑ {(VDD – VOH) x IOH} + ∑(VOL x IOL)

†NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

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