PIC16F877A-I/ML Microchip Technology, PIC16F877A-I/ML Datasheet - Page 588

• Manufacturer Part Number: PIC16F877A-I/ML
• Description: IC MCU FLASH 8KX14 A/D 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877A-I/ML

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• 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-QFN
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 1 x 16 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
• For Use With: XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / Rohs Status: Details

PICmicro MID-RANGE MCU FAMILY
Figure 30-3:
Table 30-16:
DS31030A-page 30-18
Note 1: Measurements are taken in RC Mode where CLKOUT output is 4 x T
Param.
CLKOUT
22††
23††
24††
No.
18A
20A
21A
I/O Pin
(output)
10
11
12
13
14
15
16
17
18
19
20
21
I/O Pin
(input)
OSC1
† Data in “Typ” column is at 5V, 25˚C unless otherwise stated. These parameters are for design guidance
††These parameters are asynchronous events not related to any internal clock edges.
only and are not tested.
Note: Refer to
TosH2ckL OSC1 to CLKOUT
TosH2ckH OSC1 to CLKOUT
TckR
TckF
TckL2ioV
TioV2ckH Port in valid before CLKOUT
TckH2ioI
TosH2ioV OSC1 (Q1 cycle) to Port out valid
TosH2ioI
TioV2osH Port input valid to OSC1
TioR
TioF
Tinp
Trbp
Trcp
Symbol
Example CLKOUT and I/O Timing Waveforms
Example CLKOUT and I/O Timing Requirements
old value
Figure 30-1
CLKOUT rise time
CLKOUT fall time
CLKOUT
Port in hold after CLKOUT
OSC1 (Q2 cycle) to
Port input invalid
(I/O in hold time)
(I/O in setup time)
Port output rise time
Port output fall time
INT pin high or low time
RB7:RB4 change INT high or low time
RC7:RC4 change INT high or low time
Q4
for load conditions.
to Port out valid
Characteristic
10
13
17
14
20, 21
PIC16CXXX
PIC16LCXXX
PIC16CXXX
PIC16LCXXX
PIC16CXXX
PIC16LCXXX
Q1
19
0.25T
18
Min
100
200
T
T
20
—
—
—
—
—
—
—
—
—
—
CY
0
0
CY
CY
+ 25
Q2
15
Typ†
75
75
35
35
50
10
10
—
—
—
—
—
—
—
—
—
—
OSC
.
0.5T
Max
200
200
100
100
150
20
25
60
25
60
—
—
—
—
—
—
—
1997 Microchip Technology Inc.
CY
11
12
+
new value
16
Units Conditions
Q3
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(1)
(1)
(1)
(1)
(1)
(1)
(1)