Datasheet

 2010 Microchip Technology Inc. DS41326E-page 93
PIC16F526
FIGURE 14-5: I/O TIMING
TABLE 14-8: TIMING REQUIREMENTS
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 14.1 “DC Characteristics: PIC16F526
(Industrial)”
Param
No.
Sym. Characteristic Min. Typ.
(1)
Max. Units
17 TOSH2IOVOSC1 (Q1 cycle) to Port Out Valid
(2), (3)
——100*ns
18 TOSH2IOIOSC1 (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 14-3 for loading conditions.
OSC1
I/O Pin
(input)
I/O Pin
(output)
Q4
Q1
Q2 Q3
17
20, 21
18
Old Value
New Value
19
Note: All tests must be done with specified capacitive loads (see data sheet) 50 pF on I/O pins and CLKOUT.