PIC16C923-04I/CL Microchip Technology, PIC16C923-04I/CL Datasheet - Page 149

• Manufacturer Part Number: PIC16C923-04I/CL
• Description: 8-Bit CMOS Microcontroller with LCD Driver
• Manufacturer: Microchip Technology

FIGURE 17-4: CLKOUT AND I/O TIMING
TABLE 17-5: CLKOUT AND I/O TIMING REQUIREMENTS
Note 1: Measurements are taken in RC Mode where CLKOUT output is 4 x T
Parameter
1997 Microchip Technology Inc.
CLKOUT
*
†
††
I/O Pin
(output)
22††*
23††*
I/O Pin
(input)
No.
14*
19*
20*
21*
10*
11*
12*
13*
15*
16*
17*
18*
OSC1
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.
Sym
TosH2ckL
TosH2ckH OSC1 to CLKOUT
TckR
TckF
TckL2ioV
TioV2ckH
TckH2ioI
TosH2ioV
TosH2ioI
TioV2osH
TioR
TioF
Tinp
Trbp
Refer to Figure 17-2 for load conditions.
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
to Port out valid
10
13
17
14
20, 21
PIC16C923/924
PIC16LC923/924
PIC16C923/924
PIC16LC923/924
PIC16C923/924
PIC16LC923/924
Q1
19
18
Tosc + 200
Min
T
T
100
200
OSC
—
—
—
—
—
—
—
—
—
—
0
0
CY
CY
Q2
.
15
Typ†
75
75
35
35
50
10
10
—
—
—
—
—
—
—
—
—
—
0.5T
PIC16C9XX
11
Max
200
200
100
100
150
12
CY
40
80
40
80
—
—
—
—
—
—
—
+ 20
new value
16
DS30444E - page 149
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