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