B-52 Legacy 2 Card

Detailed Card Description

QUADRANT 1 – Contains QTY 4 of P/N QFN48T.5-F-ISO (48-Leads, Body 7x7mm, Pitch 0.5mm)
QUADRANT 2 – Contains QTY 1 of P/N FBGA 244 (244-Leads WG, Body 19x19mm, Pitch 1mm)
QUADRANT 3 – Contains QTY 1 of P/N QFP160 (160-Leads, Body 28x28mm, Pitch 0.65mm)
QUADRANT 4 – Contains QTY 10 each of the following 10pF caps: 0805, 0603, 0402, and 0201

SIR Test Parameters

QUADRANT 1
EDGE PIN 1 = ODD PADS
EDGE PIN 2 = EVEN PADS + GND LUG
QUADRANT 2
EDGE PIN 3 = ODD ROW PADS + GND LUG
EDGE PIN 4 = EVEN ROW PADS
QUADRANT 3
EDGE PIN 5 = EVEN PADS + LEFT COMB BUS
EDGE PIN 6 = ODD PADS + RIGHT COMB BUS
QUADRANT 4
EDGE PIN 7 = LEFT PAD OF ALL CAPS
EDGE PIN 8 = RIGHT PAD OF ALL CAPS

Uses

Process Development
Process Control
Access activity of flux under component terminations
Solder paste evaluations
Cleaning evaluations
Cleaning process control  (Cleaning Machine, Pressures, Wash Time, Rinsing)
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