參數(shù)資料
型號： 16F84
廠商： Microchip Technology Inc.
英文描述： CAT 5E CROSSOVER, BLUE 15 FT PATCH CABLE
中文描述： 18引腳閃存/ EEPROM的8位微控制器
文件頁數(shù)： 92/124頁
文件大小： 1322K
代理商： 16F84
PIC16F8X
PIC16CR83/84
DS30430C-page 92
1998 Microchip Technology Inc.
11.5
Timing Diagrams and Specifications
FIGURE 11-3: EXTERNAL CLOCK TIMING
TABLE 11-3
OSC1
CLKOUT
Q4
Q1
Q2
Q3
Q4
Q1
1
3
3
4
4
2
EXTERNAL CLOCK TIMING REQUIREMENTS
Parameter
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
F
OSC
External CLKIN Frequency
(1)
DC
DC
DC
DC
—
—
—
—
2
4
MHz
MHz
MHz
kHz
XT, RC osc
XT, RC osc
HS osc
LP osc
PIC16LCR8X-04
PIC16CR8X-04
PIC16CR8X-10
PIC16LCR8X-04
10
200
Oscillator Frequency
(1)
DC
DC
0.1
0.1
1.0
DC
—
—
—
—
—
—
2
4
2
4
10
200
MHz
MHz
MHz
MHz
MHz
kHz
RC osc
RC osc
XT osc
XT osc
HS osc
LP osc
PIC16LCR8X-04
PIC16CR8X-04
PIC16LCR8X-04
PIC16CR8X-04
PIC16CR8X-10
PIC16LCR8X-04
1
Tosc
External CLKIN Period
(1)
500
250
100
5.0
—
—
—
—
—
—
—
—
ns
ns
ns
μ
s
XT, RC osc
XT, RC osc
HS osc
LP osc
PIC16LCR8X-04
PIC16CR8X-04
PIC16CR8X-10
PIC16LCR8X-04
Oscillator Period
(1)
500
250
500
250
100
5.0
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
μ
s
RC osc
RC osc
XT osc
XT osc
HS osc
LP osc
PIC16LCR8X-04
PIC16CR8X-04
PIC16LCR8X-04
PIC16CR8X-04
PIC16CR8X-10
PIC16LCR8X-04
10,000
10,000
1,000
—
2
3
T
CY
TosL,
TosH
Instruction Cycle Time
(1)
Clock in (OSC1) High or Low
Time
0.4
60 *
50 *
2.0 *
35 *
25 *
50 *
15 *
4/Fosc
—
—
—
—
—
—
—
DC
—
—
—
—
—
—
—
μ
s
ns
ns
μ
s
ns
ns
ns
ns
XT osc
XT osc
LP osc
HS osc
XT osc
LP osc
HS osc
PIC16LCR8X-04
PIC16CR8X-04
PIC16LCR8X-04
PIC16CR8X-10
PIC16CR8X-04
PIC16LCR8X-04
PIC16CR8X-10
4
TosR,
TosF
Clock in (OSC1) Rise or Fall Time
*
These parameters are characterized but not tested.
Data in "Typ" column is at 5.0V, 25
°
C unless otherwise stated. These parameters are for design guidance only
and are not tested.
Note 1:
Instruction cycle period (T
CY
) equals four times the input oscillator time base period. All specified values are
based on characterization data for that particular oscillator type under standard operating conditions with the
device executing code. Exceeding these specified limits may result in an unstable oscillator operation and/or
higher than expected current consumption. All devices are tested to operate at "min." values with an
external clock applied to the OSC1 pin.
When an external clock input is used, the "Max." cycle time limit is "DC" (no clock) for all devices.
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