PIC16HV540 Datasheet, PDF (23/36 Pages) Microchip Technology – Enhanced PIC16C54 EPROM-Based 8-Bit CMOS Microcontroller With On-Chip Voltage Regulator

PIC16HV540
7.3 Timing Parameter Symbology and Load Conditions
The timing parameter symbols have been created following one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
Lowercase subscripts (pp) and their meanings:
pp
2
to
ck
CLKOUT
cy
cycle time
drt
device reset timer
io
I/O port
Uppercase letters and their meanings:
S
F
Fall
H
High
I
Invalid (Hi-impedance)
L
Low
T
Time
mc
MCLR
osc
oscillator
os
OSC1
t0
T0CKI
wdt
watchdog timer
P
Period
R
Rise
V
Valid
Z
Hi-impedance
FIGURE 7-1: LOAD CONDITIONS - PIC16HV540
Pin
CL = 50 pF for all pins except OSC2
CL
15 pF for OSC2 in XT, HS or LP
options when external clock
VSS
is used to drive OSC1
© 1998 Microchip Technology Inc.
Preliminary
DS40197A-page 23