Note:  It is recommended that the exposed bottom pad be connected to VSS, however it must not be the only

VSS connection to the device.

Figure 3. 40-pin PDIP

Filename:

00-000040A.vsd

Title:

40-pin DIP

Last Edit:

3/6/2017

First Used:

N/A

Notes:

Generic 40-pin dual in-line diagram

Rev. 00-000 040A

3/6/201 7

MCLR/VPP/RE3

40

39

38

37

36

35

34

33

32

31

30

29

28

27

14

13

12

11

10

9

8

7

6

5

4

3

2

1

RA0

RA1

RA2

RA3

RA4

RA5

VSS

RA7

RA6

RC0

RC1

RC2

RC3

RD4

RD5

RD6

RD7

VSS

VDD

RB0

RB1

RB2

RB3

RB4

RB6

RB6/ICSPCLK

RB7/ICSPDAT

15

16

17

18

19

20

26

25

24

23

22

21

RD0

RD1

VDD

RE0

RE1

RE2

RD2

RD3

RC4

RC5

RC6

RC7

Figure 4. 40-pin UQFN

Filename:

00-000040B.vsd

Title:

40-pin QFN

Last Edit:

5/15/2017

First Used:

N/A

Notes:

Generic 40-pin QFN diagram

Rev. 00-000 040B

5/15/201 7

40 39

RC0

RA6

RE1

RE0

RA5

RA4

RE2

RA7

VSS

VDD

38 37 36 35 34 33 32 31

11 12 13 14 15 16 17 18 19 20

21

22

23

24

25

26

27

28

29

30

10

9

8

7

6

5

4

3

2

1

RC7

RD4

VDD

RB0

RB1

RB2

VSS

RD5

RD6

RD7

Note:  It is recommended that the exposed bottom pad be connected to VSS, however it must not be the only

VSS connection to the device.

PIC18F2X/4XQ10

© 2017 Microchip Technology Inc.

Product Brief

DS40001920A-page 6