參數(shù)資料
型號: 16F84A
廠商: Microchip Technology Inc.
英文描述: CAT 5E CROSSOVER PATCH CORD CABLE BLUE 20 FT
中文描述: 18引腳閃存/ EEPROM的8位微控制器
文件頁數(shù): 79/124頁
文件大?。?/td> 1322K
代理商: 16F84A
PIC16F83/84
PIC16F8X
1998 Microchip Technology Inc.
DS30430C-page 79
TABLE 10-2
TIMING PARAMETER SYMBOLOGY
The timing parameter symbols have been created fol-
lowing one of the following formats:
FIGURE 10-1: PARAMETER MEASUREMENT INFORMATION
All timings are measure between high and low mea-
surement points as indicated in the figures below.
FIGURE 10-2: LOAD CONDITIONS
1. TppS2ppS
2. TppS
T
F
Lowercase symbols (pp) and their meanings:
pp
2
to
ck
CLKOUT
cy
cycle time
io
I/O port
inp
INT pin
mc
MCLR
Uppercase symbols and their meanings:
S
F
Fall
H
High
I
Invalid (Hi-impedance)
L
Low
Frequency
T
Time
os,osc
ost
pwrt
rbt
t0
wdt
OSC1
oscillator start-up timer
power-up timer
RBx pins
T0CKI
watchdog timer
P
R
V
Z
Period
Rise
Valid
High Impedance
0.9 V
DD
(High)
0.1 V
DD
(Low)
0.8 V
DD
RC
0.3 V
DD
XTAL
0.15 V
DD
RC
OSC1 Measurement Points
I/O Port Measurement Points
0.7 V
DD
XTAL
(High)
(Low)
Load Condition 1
Load Condition 2
Pin
R
L
C
L
V
SS
V
DD
/2
V
SS
C
L
Pin
R
L
=
C
L
=
464
50 pF
15 pF
for all pins except OSC2.
for OSC2 output.
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