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PIC16C57-XT Datasheet, PDF (161/194 Pages) Microchip Technology – EPROM/ROM-Based 8-bit CMOS Microcontroller Series
PIC16C5X
19.3 Timing Parameter Symbology and Load Conditions
The timing parameter symbols have been created with one of the following formats:
1. TppS2ppS
2. TppS
T
F Frequency
Lowercase letters (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 19-2:
LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS -
PIC16C54C/C55A/C56A/C57C/C58B-40
Pin
CL = 50 pF for all pins except OSC2
CL
0 pF for OSC2 in HS mode for
operation between
20 MHz to 40 MHz
VSS
© 2002 Microchip Technology Inc.
Preliminary
DS30453D-page 159