參數(shù)資料
型號: PIC16C56A-20I/JW
元件分類: 微控制器/微處理器
英文描述: 8-BIT, UVPROM, 20 MHz, RISC MICROCONTROLLER, CDIP18
封裝: 0.300 INCH, WINDOWED, CERDIP-18
文件頁數(shù): 27/158頁
文件大?。?/td> 1194K
代理商: PIC16C56A-20I/JW
PIC16C5X
DS30453C-page 122
Preliminary
2000 Microchip Technology Inc.
15.6
Timing Diagrams and Specifications
FIGURE 15-4: EXTERNAL CLOCK TIMING - PIC16C5X, PIC16CR5X
TABLE 15-1:
EXTERNAL CLOCK TIMING REQUIREMENTS - PIC16C5X, PIC16CR5X
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 15.1, Section 15.2 and Section 15.3.
Parameter
No.
Sym
Characteristic
Min
Typ(1)
Max
Units
Conditions
FOSC
External CLKIN Frequency(2)
DC
4.0
MHz
XT osc mode
DC
4.0
MHz
HS osc mode (04)
DC
20
MHz
HS osc mode (20)
DC
200
kHz
LP osc mode
Oscillator Frequency(2)
DC
4.0
MHz
RC osc mode
DC
4.0
MHz
XT osc mode
DC
4.0
MHz
HS osc mode (04)
DC
20
MHz
HS osc mode (20)
DC
200
kHz
LP osc mode
1TOSC
External CLKIN Period(2)
250
——
ns
XT osc mode
250
——
ns
HS osc mode (04)
50
——
ns
HS osc mode (20)
5.0
——
s
LP osc mode
Oscillator Period(2)
250
——
ns
RC osc mode
250
2,200
ns
XT osc mode
250
250
ns
HS osc mode (04)
50
250
ns
HS osc mode (20)
5.0
200
s
LP osc mode
*
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 guid-
ance only and are not tested.
2: All specified values are based on characterization data for that particular oscillator type under standard oper-
ating conditions 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.
3: Instruction cycle period (TCY) equals four times the input oscillator time base period.
OSC1
CLKOUT
Q4
Q1
Q2
Q3
Q4
Q1
13
3
44
2
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