PIC16C84 Microchip Technology, PIC16C84 Datasheet - Page 79

• Manufacturer Part Number: PIC16C84
• Description: 8 BIT CMOS EEPROM MICROCONTROLLERS
• Manufacturer: Microchip Technology

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FIGURE 11-4: CLKOUT AND I/O TIMING
TABLE 11-4
Note 1: Measurements are taken in RC Mode where CLKOUT output is 4 x T
1997 Microchip Technology Inc.
*
† Data in "Typ" column is at 5.0V, 25˚C unless otherwise stated. These parameters are for design guidance only and are not
Parameter
CLKOUT
I/O Pin
(output)
I/O Pin
(input)
These parameters are characterized but not tested.
10A
11A
12A
13A
20A
21A
22A
23A
OSC1
No.
tested.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Note: All tests must be done with specified capacitive loads (Figure 11-2) 50 pF on I/O pins and CLKOUT.
Sym
TosH2ckL
TosH2ckH
TckR
TckF
TckL2ioV
TioV2ckH
TckH2ioI
TosH2ioV
TosH2ioI
TioV2osH
TioR
TioF
Tinp
Trbp
CLKOUT AND I/O TIMING REQUIREMENTS
old value
Q4
Characteristic
OSC1 to CLKOUT
OSC1 to CLKOUT
CLKOUT rise time
CLKOUT fall time
CLKOUT
Port in valid before
CLKOUT
Port in hold after CLKOUT
OSC1 (Q1 cycle) to
Port out valid
OSC1 (Q2 cycle) to Port input invalid
(I/O in hold time)
Port input valid to OSC1
(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
to Port out valid
10
13
17
14
Q1
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
PIC16C84
PIC16LC84
20, 21
19
0.30T
0.30T
22
23
18
TBD
TBD
20 *
55 *
20 *
55 *
Min
CY
CY
OSC
0 *
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
+ 30 *
+ 80 *
.
Q2
15
Typ†
15
15
15
15
15
15
15
15
10
10
10
10
—
—
—
—
—
—
—
—
—
—
—
—
0.5T
120 *
120 *
100 *
100 *
125 *
250 *
Max
30 *
30 *
30 *
30 *
CY
25 *
60 *
25 *
60 *
—
—
—
—
—
—
—
—
—
PIC16C84
11
+20 *
new value
12
16
Units Conditions
DS30445C-page 79
Q3
ns
ns
ns
ns
ns
ns
ns
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
Note 1
Note 1
Note 1
Note 1
Note 1