Cybernetic Micro Systems

44-Pin QFP Dimensions

[QFP Dimensions]

Sym	Description	Inches	mm
A	Overall Width	0.55	12.0 or 14.0
B	Body width	0.394	10.0
C	Overall height	0.094	2.4 max
D	Lead spacing	0.0315	0.80
E	Lead width	0.018	0.45 max
G	Lead Length	0.04,0.08	1.0 or 2.0
J	Pad Landing	0.0236	0.60

44-Pin QFP PCB Layout Pattern
(will accommodate both long [2-mm] and short [1-mm] lead lengths)

[QFP-44 PCB Dimensions]

Sym	Description	Inches	mm
A	Overall Pattern Width (square)	0.56	14.1
B	Inner pad limits (square)	0.406	10.3
C	total Pad run	0.33	8.45
D	Pad/lead spacing, on centers	0.0315	0.80
E	Pad length	0.075	1.9
	Pad width	0.018	0.45
F	Pad Row/Col Clearance	0.036	.925
G	Pad run, to centers	0.315	8.00
H	Pad Row separation, to centers	0.48	12.20
J	Pad Row/Col Clearance, to centers	0.165	4.2

Legacy Part	Max reflow temperature 225°C
RoHS Part	Max reflow temperature 260°C