PIC16C55X
10.3 Timing Parameter Symbology
The timing parameter symbols have been created with
one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
T
Lowercase subscripts (pp) and their meanings:
pp
ck
CLKOUT
os
io
I/O port
t0
mc
MCLR
Uppercase letters and their meanings:
S
F
Fall
P
H
High
R
I
Invalid (Hi-impedance)
V
L
Low
Z
FIGURE 10-5:
LOAD CONDITIONS
Load condition 1
VDD/2
RL
Time
OSC1
T0CKI
Period
Rise
Valid
Hi-impedance
Load condition 2
Pin
CL
Pin
VSS
RL = 464 Ω
CL = 50 pF
15 pF
for all pins except OSC2
for OSC2 output
CL
VSS
DS40143D-page 80
Preliminary
2002 Microchip Technology Inc.