參數(shù)資料
型號: PIC12CR509A
廠商: Microchip Technology Inc.
英文描述: 8-Pin, 8-Bit CMOS Microcontrollers
中文描述: 8引腳,8位CMOS微控制器
文件頁數(shù): 72/113頁
文件大小: 1604K
代理商: PIC12CR509A
PIC12C5XX
DS40139E-page 72
1999 Microchip Technology Inc.
TABLE 11-4:
TIMING REQUIREMENTS - PIC12C508/C509
FIGURE 11-4: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER TIMING - PIC12C508/C509
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 11.1
Parameter
No.
Sym
Characteristic
Min
Typ
(1)
Max
Units
17
TosH2ioV
OSC1
(Q1 cycle) to Port out valid
(3)
OSC1
(Q2 cycle) to Port input invalid
(I/O in hold time)
Port input valid to OSC1
(I/O in setup time)
100*
ns
18
TosH2ioI
TBD
ns
19
TioV2osH
TBD
ns
20
TioR
Port output rise time
(2, 3)
10
25**
ns
21
TioF
Port output fall time
(2, 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 5V, 25°C unless otherwise stated. These parameters are for design
guidance only and are not tested.
2: Measurements are taken in EXTRC mode.
3: See Figure 11-1 for loading conditions.
V
DD
MCLR
Internal
POR
TiDRT
(Note 2)
Internal
RESET
Watchdog
Timer
RESET
32
31
34
I/O pin
(Note 1)
32
32
34
Note 1: I/O pins must be taken out of hi-impedance mode by enabling the output drivers in software.
2: Runs in MCLR or WDT reset only in XT and LP modes.
30
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