PIC16F877T-20I/L Microchip Technology, PIC16F877T-20I/L Datasheet - Page 633
![IC MCU FLASH 8KX14 EE 44PLCC](/photos/6/63/66325/150-44-plcc_sml.jpg)
PIC16F877T-20I/L
Manufacturer Part Number
PIC16F877T-20I/L
Description
IC MCU FLASH 8KX14 EE 44PLCC
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.PIC16F873-04SO.pdf
(218 pages)
5.PIC16F873-04SO.pdf
(5 pages)
6.PIC16F873-04SO.pdf
(5 pages)
Specifications of PIC16F877T-20I/L
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
14KB (8K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
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:
PIC16F877T-20I/L
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873-04SO PDF datasheet #4
- PIC16F873-04SO PDF datasheet #5
- PIC16F873-04SO PDF datasheet #6
- Current page: 633 of 688
- Download datasheet (3Mb)
31.3.6
31.3.7
1997 Microchip Technology Inc.
Tested Crystals and Their Capacitor Values
Example EPROM Memory Erase Times
This table shows the crystal frequency and manufacturer that was used for every tests in this sec-
tion, as well as the capacitor values/ranges that exhibited the best characteristics.
Table 31-2: Example Capacitor Selection for Crystal Oscillators
The UV erase time of an EPROM cell depends on the geometry size of the EPROM cell and the
manufacturing technology.
device.
Table 31-3: Example of Typical EPROM Erase Time Recommendations
Table 31-4:
Note 1: If these criteria are not met, the erase times will be different.
Note:
Example
Device
Crystals Used:
Section 31. Device Characteristics
1
2
3
4
Osc Type
200 kHz
20 MHz
32 kHz
1 MHz
4 MHz
8 MHz
HS
LP
XT
Higher capacitance increases the stability of the oscillator but also increases the start-up time.
These values are for design guidance only.
mode to avoid overdriving crystals with low drive level specification. Since each crystal has its
own characteristics, the user should consult the crystal manufacturer for appropriate values of
external components or verify oscillator performance.
Refer to the device data sheet for the typical erase times for a device.
(Angstroms)
Wavelength
2537
2537
2537
2537
Crystal Frequency
Table 31-3
200 kHz
200 kHz
20 MHz
EPSON CA-301 20.000M-C
32 kHz
1 MHz
4 MHz
4 MHz
8 MHz
EPSON CA-301 8.000M-C
Epson C-001R32.768K-A
STD XTL 200.000KHz
shows some of the expected erase times for each different
ECS ECS-10-13-1
ECS ECS-40-20-1
( W/cm
Intensity
12,000
12,000
12,000
12,000
Capacitor Range
2
)
Rs
may be required in HS mode as well as XT
47-68 pF
15-33 pF
15-33 pF
Distance from UV
C1
lamp (inches)
33 pF
15 pF
15 pF
15 pF
15 pF
1
1
1
1
Capacitor Range
DS31031A-page 31-21
Typical Time
20 PPM
20 PPM
50 PPM
50 PPM
30 PPM
30 PPM
47-68 pF
15-33 pF
15-33 pF
(minutes)
C2
15 - 20
33 pF
15 pF
15 pF
15 pF
15 pF
20
40
60
(1)
31
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