參數(shù)資料
型號: PIC16C505-20/P
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 20 MHz, RISC MICROCONTROLLER, PDIP14
封裝: 0.300 INCH, PLASTIC, DIP-14
文件頁數(shù): 63/85頁
文件大?。?/td> 1205K
代理商: PIC16C505-20/P
PIC16C505
DS40192C-page 66
1999 Microchip Technology Inc.
10.5
Timing Diagrams and Specifications
FIGURE 10-5: EXTERNAL CLOCK TIMING - PIC16C505
TABLE 10-2:
EXTERNAL CLOCK TIMING REQUIREMENTS - PIC16C505
AC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
0
°C ≤ TA ≤ +70°C (commercial),
–40
°C ≤ TA ≤ +85°C (industrial),
–40
°C ≤ TA ≤ +125°C (extended)
Operating Voltage VDD range is described in Section 10.1
Parameter
No.
Sym
Characteristic
Min
Typ(1)
Max
Units
Conditions
1A
FOSC
External CLKIN Frequency(2)
DC
4
MHz
XT osc mode
DC
4
MHz
HS osc mode
(PIC16C505-04)
DC
20
MHz
HS osc mode
(PIC16C505-20)
DC
200
kHz
LP osc mode
Oscillator Frequency(2)
DC
4
MHz
EXTRC osc mode
0.1
4
MHz
XT osc mode
4
4
MHz
HS osc mode
(PIC16C505-04)
DC
200
kHz
LP osc mode
1TOSC
External CLKIN Period(2)
250
ns
XT osc mode
50
ns
HS osc mode
(PIC16C505-20)
s
LP osc mode
Oscillator Period(2)
250
ns
EXTRC osc mode
250
10,000
ns
XT osc mode
250
250
ns
HS ocs mode
(PIC16C505-04)
50
250
ns
HS ocs mode
(PIC16C505-20)
5—
s
LP osc mode
2TCY
Instruction Cycle Time
4/FOSC
DC
ns
200
ns
*
These parameters are characterized but not tested.
Note 1: Data in the Typical (“Typ”) column is at 5V, 25
°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
2: All specified values are based on characterization data for that particular oscillator type under standard operating condi-
tions with the device executing code. Exceeding these specified limits may result in an unstable oscillator operation and/or
higher than expected current consumption.
When an external clock input is used, the “max” cycle time limit is “DC” (no clock) for all devices.
OSC1
Q4
Q1
Q2
Q3
Q4
Q1
13
3
44
2
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