Datasheet

PIC16F527
DS41652A-page 96 Preliminary  2012 Microchip Technology Inc.
TABLE 15-10: TIMING REQUIREMENTS
FIGURE 15-6: RESET, WATCHDOG TIMER AND DEVICE RESET TIMER TIMING
AC
CHARACTERISTICS
Standard Operating Conditions (unless otherwise specified)
Operating Temperature -40C  T
A  +85C (industrial)
-40C  T
A  +125C (extended)
Operating Voltage V
DD range is described in Section 15.1 “DC Characteristics: PIC16F527
(Industrial)”
Param
No.
Sym. Characteristic Min. Typ.
(1)
Max. Units
17 T
OSH2IOVOSC1 (Q1 cycle) to Port Out Valid
(2), (3)
——100*ns
18 T
OSH2IOIOSC1 (Q2 cycle) to Port Input Invalid (I/O in hold time)
(2)
50 — — ns
19 TIOV2OSH Port Input Valid to OSC1 (I/O in setup time) 20 — — ns
20 T
IOR Port Output Rise Time
(3)
—1050**ns
21 T
IOF Port Output Fall Time
(3)
—1058**ns
* These parameters are characterized but not tested.
** These parameters are design targets and are 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: Measurements are taken in EXTRC mode.
3: See Figure 15-3 for loading conditions.
VDD
MCLR
Internal
POR
DRT
Time-out
(2)
Internal
Reset
Watchdog
Timer
Reset
32
31
34
I/O pin
(1)
32
32
34
30
Note 1: I/O pins must be taken out of High-Impedance mode by enabling the output drivers in software.
2: Runs in MCLR
or WDT Reset only in XT, LP and HS modes.