PIC16C8X
Applicable Devices 83 R83 84 84A R84
TABLE 11-2: TIMING PARAMETER SYMBOLOGY
The timing parameter symbols have been created following one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
Lowercase symbols (pp) and their meanings:
pp
ck
CLKOUT
io
I/O port
mc
MCLR
Uppercase symbols and their meanings:
S
F
Fall
H
High
I
Invalid (Hi-impedance)
L
Low
T
Time
osc
OSC1
t0
T0CKI
P
Period
R
Rise
V
Valid
Z
Hi-impedance
FIGURE 11-1: PARAMETER MEASUREMENT INFORMATION
0.7 VDD XTAL
0.8 VDD RC (High)
2.0 VDD (High)
0.3 VDD XTAL
0.15 VDD RC
(Low)
0.2 VDD (Low)
OSC1 Measurement Points
I/O Port Measurement Points
All timings are measured between high and low measurement points as indicated in the figure.
FIGURE 11-2: LOAD CONDITIONS
RL =
CL =
Load Condition 1
VDD/2
RL
Pin
CL
VSS
464Ω
50 pF
15 pF
for all pins except OSC2.
for OSC2 output.
Load Condition 2
Pin
CL
VSS
DS30081F-page 76
© 1995 Microchip Technology Inc.