PIC16F874A-E/L Microchip Technology, PIC16F874A-E/L Datasheet - Page 35
PIC16F874A-E/L
Manufacturer Part Number
PIC16F874A-E/L
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LDCC,44PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16C770-ISO.pdf
(8 pages)
4.PIC16F873A-ISO.pdf
(234 pages)
5.PIC16F873A-ISO.pdf
(6 pages)
6.PIC16F873A-ISO.pdf
(4 pages)
7.PIC16F873A-ISO.pdf
(6 pages)
8.PIC16F873A-ISO.pdf
(4 pages)
9.PIC16F873A-ISO.pdf
(22 pages)
Specifications of PIC16F874A-E/L
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874A-E/L
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873A-ISO PDF datasheet #4
- PIC16F873A-ISO PDF datasheet #5
- PIC16F873A-ISO PDF datasheet #6
- PIC16F873A-ISO PDF datasheet #7
- PIC16F873A-ISO PDF datasheet #8
- PIC16F873A-ISO PDF datasheet #9
- Current page: 35 of 688
- Download datasheet (3Mb)
2.3.1
1997 Microchip Technology Inc.
Oscillator / Resonator Start-up
As the device voltage increases from V
required for the oscillator to start oscillating depends on many factors. These include:
• Crystal / resonator frequency
• Capacitor values used (C1 and C2 in
• Device V
• System temperature
• Series resistor value (and type) if used (Rs in
• Oscillator mode selection of device (which selects the gain of the internal oscillator inverter)
• Crystal quality
• Oscillator circuit layout
• System noise
Figure 2-2
oscillator waveform can be quite low (less than 50% of device V
tered at V
Figure 2-2: Example Oscillator / Resonator Start-up Characteristics
DD
DD
graphs an example oscillator / resonator start-up. The peak-to-peak voltage of the
Maximum V
/2 (refer to
rise time
DD
parameters D033
of System
Voltage
0V
Crystal Start-up Time
Figure
and
Section 2. Oscillator
SS
Device V
, the oscillator will start its oscillations. The time
D043
2-1)
Figure
in the
DD
2-1)
“Electrical Specifications”
Time
DD
) where the waveform is cen-
DS31002A-page 2-5
section).
2
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