PIC16F874-04/PT Microchip Technology, PIC16F874-04/PT Datasheet - Page 124
![IC MCU FLASH 4KX14 EE 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC16F874-04/PT
Manufacturer Part Number
PIC16F874-04/PT
Description
IC MCU FLASH 4KX14 EE 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F873-04SO.pdf
(218 pages)
4.PIC16F873-04SO.pdf
(5 pages)
5.PIC16F873-04SO.pdf
(5 pages)
Specifications of PIC16F874-04/PT
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Oscillator Type
External
Core Processor
PIC
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
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
Operating Temperature
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Controller Family/series
PIC16F
No. Of I/o's
33
Eeprom Memory Size
128Byte
Ram Memory Size
192Byte
Cpu Speed
4MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874-04/PT
Manufacturer:
MICROCHIP
Quantity:
4 500
Company:
Part Number:
PIC16F874-04/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F873-04SO PDF datasheet #3
- PIC16F873-04SO PDF datasheet #4
- PIC16F873-04SO PDF datasheet #5
- Current page: 124 of 218
- Download datasheet (4Mb)
PIC16F87X
TABLE 12-2:
DS30292C-page 122
Osc Type
These values are for design guidance only.
See notes following this table.
200 kHz
20 MHz
32 kHz
1 MHz
4 MHz
8 MHz
Note 1: Higher capacitance increases the stability
XT
HS
LP
2: Since each resonator/crystal has its own
3: R
4: When migrating from other PICmicro
EPSON CA-301 8.000M-C
of oscillator, but also increases the start-
up time.
characteristics, the user should consult the
resonator/crystal manufacturer for appro-
priate values of external components.
as XT mode, to avoid overdriving crystals
with low drive level specification.
devices, oscillator performance should be
verified.
EPSON CA-301 20.000M-
Epson C-001R32.768K-A
200 kHz
200 kHz
Crystal
20 MHz
32 kHz
s
1 MHz
4 MHz
4 MHz
8 MHz
STD XTL 200.000KHz
Freq.
may be required in HS mode, as well
ECS ECS-10-13-1
ECS ECS-40-20-1
CAPACITOR SELECTION FOR
CRYSTAL OSCILLATOR
Crystals Used
C
Cap. Range
47-68 pF
15-33 pF
15-33 pF
33 pF
15 pF
15 pF
15 pF
15 pF
C1
Cap. Range
± 20 PPM
± 20 PPM
± 50 PPM
± 50 PPM
± 30 PPM
± 30 PPM
47-68 pF
15-33 pF
15-33 pF
33 pF
15 pF
15 pF
15 pF
15 pF
C2
12.2.3
For timing insensitive applications, the “RC” device
option offers additional cost savings. The RC oscillator
frequency is a function of the supply voltage, the resis-
tor (R
ing temperature. In addition to this, the oscillator
frequency will vary from unit to unit due to normal pro-
cess parameter variation. Furthermore, the difference
in lead frame capacitance between package types will
also affect the oscillation frequency, especially for low
C
variation due to tolerance of external R and C compo-
nents used. Figure 12-3 shows how the R/C combina-
tion is connected to the PIC16F87X.
FIGURE 12-3:
Recommended values:
EXT
C
V
R
EXT
SS
EXT
EXT
values. The user also needs to take into account
V
DD
) and capacitor (C
RC OSCILLATOR
F
OSC
/4
RC OSCILLATOR MODE
OSC1
OSC2/CLKOUT
3 k
C
2001 Microchip Technology Inc.
EXT
EXT
) values, and the operat-
> 20pF
R
EXT
100 k
PIC16F87X
Internal
Clock
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