PIC16F636-E/ST Microchip Technology, PIC16F636-E/ST Datasheet - Page 44

• Manufacturer Part Number: PIC16F636-E/ST
• Description: IC MCU FLASH 2KX14 14TSSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F636-E/ST

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, LVD, POR, WDT
• Number Of I /o: 11
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 14-TSSOP
• For Use With: AC162057 - MPLAB ICD 2 HEADER 14DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PIC12F635/PIC16F636/639
FIGURE 3-6:
DS41232D-page 42
HF
HFINTOSC
HFINTOSC
LFINTOSC
Note 1:
System Clock
System Clock
System Clock
IRCF <2:0>
IRCF <2:0>
IRCF <2:0>
HFINTOSC
HFINTOSC
HFINTOSC
LFINTOSC
LFINTOSC
LFINTOSC
LF
(1)
When going from LF to HF.
HFINTOSC
LFINTOSC (FSCM and WDT disabled)
LFINTOSC (Either FSCM or WDT enabled)
INTERNAL OSCILLATOR SWITCH TIMING
0
0
Start-up Time 2-cycle Sync
Start-up Time
0
0
0
2-cycle Sync
2-cycle Sync
0
LFINTOSC turns off unless WDT or FSCM is enabled
Running
© 2007 Microchip Technology Inc.
Running
Running