16F870 Microchip, 16F870 Datasheet - Page 130
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16F870
Manufacturer Part Number
16F870
Description
Search -----> PIC16F870
Manufacturer
Microchip
Datasheet
1.16F870.pdf
(172 pages)
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PIC16F870/871
FIGURE 14-5:
TABLE 14-2:
DS30569B-page 128
10*
11*
12*
13*
14*
15*
16*
17*
18*
19*
20*
21*
22††*
23††*
Note 1:
Param
No.
Note: Refer to Figure 14-3 for load conditions.
(Output)
I/O Pin
I/O Pin
(Input)
OSC1
CLKO
*
†
†† These parameters are asynchronous events not related to any internal clock edges.
TosH2ckL OSC1 to CLKO
TosH2ckH OSC1 to CLKO
TckR
TckF
TckL2ioV
TioV2ckH Port in valid before CLKO
TckH2ioI
TosH2ioV OSC1 (Q1 cycle) to Port out valid
TosH2ioI
TioV2osH Port input valid to OSC1 (I/O in setup time)
T
T
T
T
IO
IO
INP
RBP
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.
Measurements are taken in RC mode where CLKO output is 4 x T
Sym
R
F
CLKO AND I/O TIMING REQUIREMENTS
CLKO rise time
CLKO fall time
CLKO to Port out valid
Port in hold after CLKO
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
CLKO AND I/O TIMING
Q4
Characteristic
10
13
17
14
20, 21
Q1
Standard (F)
Extended (LF)
Standard (F)
Extended (LF)
Standard (F)
Extended (LF)
19
18
T
OSC
OSC
Min
100
200
T
T
—
—
—
—
—
—
—
—
—
—
0
0
CY
CY
+ 200
.
Q2
15
Typ†
100
75
75
35
35
10
10
—
—
—
—
—
—
—
—
—
—
0.5 T
2003 Microchip Technology Inc.
11
Max
200
200
100
100
255
145
145
12
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)
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