PIC16F627A Datasheet, PDF (141/168 Pages) Microchip Technology – FLASH-Based 8-Bit CMOS Microcontrollers

PIC16F627A/628A/648A
17.5 Timing Parameter Symbology
The timing parameter symbols have been created with one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
Lowercase subscripts (pp) and their meanings:
pp
ck
CLKOUT
io
I/O port
mc
MCLR
Uppercase letters 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 17-3:
LOAD CONDITIONS
LOAD CONDITION 1
VDD/2
LOAD CONDITION 2
RL
PIN
CL
PIN
VSS
RL = 464Ω
CL = 50 pF for all pins except OSC2
15 pF for OSC2 output
CL
VSS
 2002 Microchip Technology Inc.
Preliminary
DS40044A-page 139