參數(shù)資料
型號: PIC16C54C
廠商: Microchip Technology Inc.
英文描述: EPROM/ROM-Based 8-Bit CMOS Microcontroller(18引腳、12個I/O端口、512位EPROM/ROM的8位CMOS微控制器)
中文描述: 存儲器/基于ROM的8位CMOS微控制器(18引腳,12個的I / O,512位存儲器端口/光盤的8位的CMOS微控制器)
文件頁數(shù): 90/158頁
文件大?。?/td> 1194K
代理商: PIC16C54C
PIC16C5X
PIC16CR54A
DS30453C-page 90
Preliminary
2000 Microchip Technology Inc.
FIGURE 12-3: CLKOUT AND I/O TIMING - PIC16CR54A
TABLE 12-2:
CLKOUT AND I/O TIMING REQUIREMENTS - PIC16CR54A
AC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
0
°
C
T
A
+70
°
C (commercial)
40
°
C
T
A
+85
°
C (industrial)
40
°
C
T
A
+125
°
C (extended)
Operating Voltage V
DD
range is described in Section 12.1, Section 12.2 and
Section 12.3.
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)
5.0
15**
ns
13
TckF
CLKOUT fall time
(2)
5.0
15**
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)
OSC1
(Q2 cycle) to Port input invalid
(I/O in hold time)
100*
ns
18
TosH2ioI
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 T
OSC
.
3:
See Figure 12-1 for loading conditions.
OSC1
CLKOUT
I/O Pin
(input)
I/O Pin
(output)
Q4
Q1
Q2
Q3
10
14
17
20, 21
18
15
11
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
12
13
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