PIC16C774 Microchip Technology Inc., PIC16C774 Datasheet - Page 162

• Manufacturer Part Number: PIC16C774
• Description: 28/40-pin, 8-bit Cmos Microcontrollers W/ 12-bit A/d
• Manufacturer: Microchip Technology Inc.

PIC16C77X
FIGURE 15-5: CLKOUT AND I/O TIMING
TABLE 15-6
DS30275A-page 162
Note 1: Measurements are taken in RC Mode where CLKOUT output is 4 x T
Parameter
CLKOUT
I/O Pin
(output)
22††*
23††*
I/O Pin
(input)
No.
10*
11*
12*
13*
14*
15*
16*
17*
18*
19*
20*
21*
OSC1
*
†
†† These parameters are asynchronous events not related to any internal clock edges.
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.
Sym
TosH2ckL
TosH2ckH OSC1 to CLKOUT
TckR
TckF
TckL2ioV
TioV2ckH
TckH2ioI
TosH2ioV
TosH2ioI
TioV2osH
TioR
TioF
Tinp
Trbp
Note: Refer to
CLKOUT AND I/O TIMING REQUIREMENTS
old value
Characteristic
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
Q4
Figure 15-3
to Port out valid
for load conditions.
10
13
17
Advance Information
14
20, 21
PIC16C77X
PIC16LC77X
PIC16C77X
PIC16LC77X
PIC16C77X
PIC16LC77X
Q1
19
18
0.25T
OSC
Min
100
200
T
T
—
—
—
—
—
—
—
—
—
—
CY
0
0
CY
CY
Q2
.
+ 25
15
Typ†
75
75
35
35
—
—
—
50
—
—
—
10
—
10
—
—
—
0.5T
1999 Microchip Technology Inc.
11
Max
200
200
100
100
150
12
CY
25
60
25
60
—
—
—
—
—
—
—
+ 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