PIC16F874-04/PT Microchip Technology, PIC16F874-04/PT Datasheet - Page 629
![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: 629 of 688
- Download datasheet (3Mb)
31.3.4
1997 Microchip Technology Inc.
Oscillator Transconductance
Transconductance of the oscillator indicates the gain of the oscillator. As the transconductance
increases, the gain of the oscillator circuit increases which causes the current consumption of
the oscillator circuit to increase. Also as the transconductance increases the maximum frequency
that the oscillator circuit can support also increases, or the start-up time of the oscillator
decreases.
Figure 31-25: Example Transconductance (gm) of HS Oscillator vs. V
Figure 31-26: Example Transconductance (gm) of LP Oscillator vs. V
Section 31. Device Characteristics
Shaded areas are
beyond recommended range
Shaded area is
beyond recommended range
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
110
100
90
80
70
60
50
40
30
20
10
3.0
0
2.0
2.5
3.5
3.0
4.0
3.5
4.5
4.0
V
DD
V
(Volts)
DD
5.0
4.5
(Volts)
5.0
Max -40 C
5.5
Typ 25 C
Min 85 C
Max -40 C
5.5
Typ 25 C
Min 85 C
6.0
6.0
DD
DS31031A-page 31-17
DD
6.5
6.5
7.0
7.0
31
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