PIC16F627A_09 Datasheet, PDF (171/180 Pages) Microchip Technology – Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F627A/628A/648A
APPENDIX A: DATA SHEET
REVISION HISTORY
Revision A
This is a new data sheet.
Revision B
Revised 28-Pin QFN Pin Diagram
Revised Figure 5-4 Block Diagram
Revised Register 7-1 TMR1ON
Revised Example 13-4 Data EEPROM Refresh Routine
Revised Instruction Set SUBWF, Example 1
Revised DC Characteristics 17-2 and 17-3
Revised Tables 17-4 and 17-6
Corrected Table and Figure numbering in Section 17.0
Revision C
General revisions throughout. Revisions to Section
14.0 – Special Features of the CPU. Section 18,
modified graphs.
Revision D
Revise Example 13-2, Data EEPROM Write
Revise Sections 17.2, Param No. D020 and 17.3,
Param No. D020E
Revise Section 18.0 graphs
Revision E
Section 19.0 Packaging Information: Replaced
package drawings and added note.
Revision F (03/2007)
Replaced Package Drawings (Rev. AM); Replaced
Development Support Section; Revised Product ID
System.
Revision G (10/2009)
Corrected 28-lead QFN Package in Section 19.1.
APPENDIX B: DEVICE
DIFFERENCES
The differences between the PIC16F627A/628A/648A
devices listed in this data sheet are shown in Table B-1.
TABLE B-1: DEVICE DIFFERENCES
Device
PIC16F627A
PIC16F628A
PIC16F648A
Memory
Flash
Program
1024 x 14
2048 x 14
4096 x 14
RAM
Data
224 x 8
224 x 8
256 x 8
EEPROM
Data
128 x 8
128 x 8
256 x 8
© 2009 Microchip Technology Inc.
DS40044G-page 171