PIC16LF145X Datasheet, PDF (33/38 Pages) Microchip Technology – PIC16(L)F145X Memory Programming Specification

PIC16(L)F145X
TABLE 8-1: AC/DC CHARACTERISTICS TIMING REQUIREMENTS FOR PROGRAM/VERIFY
AC/DC CHARACTERISTICS
Standard Operating Conditions
Production tested at 25°C
Sym.
Characteristics
Min.
Typ.
Max. Units Conditions/Comments
TERAB
TERAR
TPINT
TPEXT
TDIS
TEXIT
Bulk Erase cycle time
Row Erase cycle time
Internally timed programming operation time
Externally timed programming pulse
Time delay from program to compare
(HV discharge time)
Time delay when exiting Program/Verify mode
—
—
5
ms
—
—
2.5
ms
—
—
2.5
ms Program memory
—
—
5
ms Configuration Words
1.0
—
2.1
ms Note 1
300
—
—
μs
1
—
—
μs
Note 1: Externally timed writes are not supported for Configuration and Calibration bits.
8.1 AC Timing Diagrams
FIGURE 8-1:
PROGRAMMING MODE
ENTRY – VDD FIRST
TENTS TENTH
VIHH
VPP
VIL
VDD
ICSPDAT
ICSPCLK
FIGURE 8-2:
VIHH
VPP
VIL
VDD
PROGRAMMING MODE
ENTRY – VPP FIRST
TENTS TENTH
FIGURE 8-3:
VIHH
VPP
VIL
VDD
ICSPDAT
ICSPCLK
PROGRAMMING MODE
EXIT – VPP LAST
TEXIT
FIGURE 8-4:
VIHH
VPP
VIL
VDD
ICSPDAT
ICSPCLK
PROGRAMMING MODE
EXIT – VDD LAST
TEXIT
ICSPDAT
ICSPCLK
 2011-2012 Microchip Technology Inc.
Advance Information
DS41620C-page 33