PIC16F872-I/SP Microchip Technology Inc., PIC16F872-I/SP Datasheet - Page 130

• Manufacturer Part Number: PIC16F872-I/SP
• Description: 28 PIN, 7 KB FLASH, 128 RAM, 22 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F872-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 64 Bytes
• Input Output: 22
• Interface: I2C/SPI
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 3.5K Bytes
• Ram Size: 128 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F872
FIGURE 14-5:
TABLE 14-2:
DS30221C-page 128
Note 1:
Param
22††*
23††*
CLKOUT
No.
10*
12*
13*
14*
15*
16*
17*
18*
19*
20*
21*
11*
I/O Pin
(output)
Note: Refer to Figure 14-3 for load conditions.
I/O Pin
(input)
OSC1
*
†
††
TosH2ckL OSC1 to CLKOUT
TosH2ckH OSC1 to CLKOUT
TckR
TckF
TckL2ioV
TioV2ckH Port in valid before CLKOUT
TckH2ioI
TosH2ioV OSC1 (Q1 cycle) to
TosH2ioI
TioV2osH Port input valid to OSC1 (I/O in setup time)
T
T
T
T
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.
These parameters are asynchronous events not related to any internal clock edges.
Symbol
IO
IO
INP
RBP
Measurements are taken in RC mode, where CLKOUT output is 4 x T
R
F
CLKOUT AND I/O TIMING REQUIREMENTS
CLKOUT rise time
CLKOUT fall time
CLKOUT to Port out valid
Port in hold after CLKOUT
Port out valid
OSC1 (Q2 cycle) to Port
input invalid (I/O in hold time)
Port output rise time
Port output fall time
INT pin high or low time
RB7:RB4 change INT high or low time
old value
CLKOUT AND I/O TIMING
Q4
Characteristic
10
13
17
14
20, 21
Standard (F)
Extended (LF)
Standard (F)
Extended (LF)
Standard (F)
Extended (LF)
Q1
19
18
T
OSC
Min
100
200
T
T
OSC
—
—
—
—
—
—
—
—
—
—
0
0
CY
CY
Q2
+ 200
15
.
Typ†
100
75
75
35
35
10
10
—
—
—
—
—
—
—
—
—
—
© 2006 Microchip Technology Inc.
0.5T
11
12
Max
200
200
100
100
255
145
145
CY
—
—
—
—
—
40
40
—
—
+ 20
new value
16
Q3
Units Conditions
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)