PIC16F874-04I/PQ Microchip Technology, PIC16F874-04I/PQ Datasheet - Page 166

• Manufacturer Part Number: PIC16F874-04I/PQ
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,QFP,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-04I/PQ

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• 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 ~ 85°C
• Package / Case: 44-MQFP, 44-PQFP
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: MSSP, PSP, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3 bit
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F87X
FIGURE 15-8:
FIGURE 15-9:
TABLE 15-3:
DS30292C-page 164
Parameter
Watchdog
V
Note: Refer to Figure 15-5 for load conditions.
Time-out
Time-out
DD
I/O Pins
No.
*
†
31*
33*
Internal
30
32
34
35
Internal
PWRT
MCLR
Reset
Reset
Timer
POR
OSC
V
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are
not tested.
DD
Symbol
TmcL
Tpwrt
T
Twdt
Tost
T
BOR
IOZ
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,
AND BROWN-OUT RESET REQUIREMENTS
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
BROWN-OUT RESET TIMING
MCLR Pulse Width (low)
Watchdog Timer Time-out Period
(No Prescaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O Hi-impedance from MCLR Low
or Watchdog Timer Reset
Brown-out Reset pulse width
33
Characteristic
32
V
BOR
Min
100
28
—
—
2
7
34
1024 T
Typ†
30
18
—
72
—
—
OSC
35
Max
132
2.1
33
—
—
—
Units
31
ms
ms
—
s
s
s
2001 Microchip Technology Inc.
V
V
T
V
V
OSC
DD
DD
DD
DD
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= OSC1 period
V
BOR
Conditions
34
(D005)