PIC18F2220 Datasheet, PDF (369/388 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2220/2320/4220/4320
44-Lead Plastic Quad Flat No Lead Package (ML) 8x8 mm Body (QFN)
E
EXPOSED
METAL
PAD
p
D
D2
2
1
OPTIONAL PIN 1
INDEX ON
TOP MARKING
n
PIN 1
INDEX ON
EXPOSED PAD
(PROFILE MAY VARY)
TOP VIEW
B
E2
L
BOTTOM VIEW
DETAIL: CONTACT VARIANTS
A
A1
(A3)
Units
Dimension Limits
Number of Contacts
n
Pitch
p
Overall Height
A
Standoff
A1
Base Thickness
(A3)
Overall Width
E
Exposed Pad Width
E2
Overall Length
D
Exposed Pad Length
D2
Contact Width
B
Contact Length
L
INCHES
MIN
NOM
44
.026 BSC ¹
.031
.035
.000
.001
.010 REF ²
.309
.315
.246
.268
.309
.315
.246
.268
.008
.013
.014
.016
MAX
.039
.002
.321
.274
.321
.274
.013
.019
MILLIMETERS*
MIN
NOM
44
0.65 BSC ¹
0.80
0.90
0
0.02
0.25 REF ²
7.85
8.00
6.25
6.80
7.85
8.00
6.25
6.80
0.20
0.33
0.35
0.40
*Controlling Parameter
Notes:
1. BSC: Basic Dimension. Theoretically exact value shown without tolerances.
See ASME Y14.5M
2. REF: Reference Dimension, usually without tolerance, for information purposes only.
See ASME Y14.5M
3. Contact profiles may vary.
4. JEDEC equivalent: M0-220
Drawing No. C04-103
MAX
1.00
0.05
8.15
6.95
8.15
6.95
0.35
0.48
 2003 Microchip Technology Inc.
DS39599C-page 367