PIC16F627A_05 Datasheet, PDF (145/180 Pages) Microchip Technology – Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

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 (High-impedance)
L
Low
T
Time
osc
OSC1
t0
T0CKI
P
Period
R
Rise
V
Valid
Z
High-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
© 2005 Microchip Technology Inc.
DS40044D-page 143