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): 127/158頁
文件大小: 1194K
代理商: PIC16C56A-20I/JW
PIC16C5X
PIC16C54/55/56/57
DS30453C-page 70
Preliminary
2000 Microchip Technology Inc.
FIGURE 10-3: CLKOUT AND I/O TIMING - PIC16C54/55/56/57
TABLE 10-2:
CLKOUT AND I/O TIMING REQUIREMENTS - PIC16C54/55/56/57
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, Section 10.2 and
Section 10.3
Parameter
No.
Sym
Characteristic
Min
Typ(1)
Max
Units
10
TosH2ckL
OSC1
↑ to CLKOUT↓(2)
15
30**
ns
11
TosH2ckH
OSC1
↑ to CLKOUT↑(2)
15
30**
ns
12
TckR
CLKOUT rise time(2)
515**
ns
13
TckF
CLKOUT fall time(2)
515**
ns
14
TckL2ioV
CLKOUT
↓ to Port out valid(2)
——
40**
ns
15
TioV2ckH
Port in valid before CLKOUT
(2)
0.25 TCY+30*
——
ns
16
TckH2ioI
Port in hold after CLKOUT
(2)
0*
——
ns
17
TosH2ioV
OSC1
↑ (Q1 cycle) to Port out valid(3)
——
100*
ns
18
TosH2ioI
OSC1
↑ (Q2 cycle) to Port input invalid
(I/O in hold time)
TBD
——
ns
19
TioV2osH
Port input valid to OSC1
(I/O in setup time)
TBD
——
ns
20
TioR
Port output rise time(3)
10
25**
ns
21
TioF
Port output fall time(3)
10
25**
ns
*
These parameters are characterized but not tested.
** These parameters are design targets and are not tested. No characterization data available at this time.
Note 1: Data in the Typical (“Typ”) column is at 5.0V, 25°C unless otherwise stated. These parameters are for design
guidance only and are not tested.
2: Measurements are taken in RC Mode where CLKOUT output is 4 x TOSC.
3: See Figure 10-1 for loading conditions.
OSC1
CLKOUT
I/O Pin
(input)
I/O Pin
(output)
Q4
Q1
Q2
Q3
10
13
14
17
20, 21
18
15
11
12
16
Old Value
New Value
Note: All tests must be done with specified capacitive loads (see data sheet) 50 pF on I/O pins and CLKOUT.
19
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