參數(shù)資料
型號: PIC16LC7XT-04PTL16
廠商: Microchip Technology Inc.
英文描述: 8-Bit CMOS Microcontrollers with A/D Converter
中文描述: 8位CMOS微控制器與A / D轉換器
文件頁數(shù): 12/41頁
文件大?。?/td> 322K
代理商: PIC16LC7XT-04PTL16
PIC16LC74B-16/PTL16
DS30026A-page 12
Preliminary
1999 Microchip Technology Inc.
2.3.3
TIMING DIAGRAMS AND SPECIFICATIONS
FIGURE 2-3:
EXTERNAL CLOCK TIMING
TABLE 2-2:
EXTERNAL CLOCK TIMING REQUIREMENTS
Param
No.
1A
Sym
Characteristic
Min
(Note 2)
Typ
Max
(Note 3)
Units
Conditions
Fosc
External CLKIN Frequency
(Note 1)
DC
DC
DC
DC
DC
0.1
4
5
250
250
50
5
250
250
250
50
5
200
100
2.5
15
4
4
MHz
MHz
MHz
kHz
MHz
MHz
MHz
kHz
ns
ns
ns
μ
s
ns
ns
ns
ns
μ
s
ns
ns
μ
s
ns
ns
ns
ns
RC and XT osc modes
HS osc mode (-04)
HS osc mode (-20)
LP osc mode
RC osc mode
XT osc mode
HS osc mode
LP osc mode
RC and XT osc modes
HS osc mode (-04)
HS osc mode (-20)
LP osc mode
RC osc mode
XT osc mode
HS osc mode (-04)
HS osc mode (-20)
LP osc mode
T
CY
= 4/FOSC
XT oscillator
LP oscillator
HS oscillator
XT oscillator
LP oscillator
HS oscillator
20
200
4
4
20
200
10,000
250
250
DC
25
50
15
Oscillator Frequency
(Note 1)
1
Tosc
External CLKIN Period
(Note 3)
Oscillator Period
(Note 3)
2
3*
T
CY
TosL,
TosH
Instruction Cycle Time
(Note 1)
External Clock in (OSC1) High
or Low Time
4*
TosR,
TosF
External Clock in (OSC1) Rise
or Fall Time
*
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
Note1:
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.
2:
All devices are tested to operate at "min." values with an external clock applied to the OSC1/CLKIN pin.
3:
When an external clock input is used, the "Max." cycle time limit is "DC" (no clock) for all devices.
3
3
4
4
1
2
Q4
Q1
Q2
Q3
Q4
Q1
OSC1
CLKOUT
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