B-52 Legacy 3 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 QFP80 (80-Leads, Body 14x14mm, Pitch 0.65mm)
QUADRANT 4 – Contains QTY 1 of P/N QFP160 (160-Leads, Body 28x28mm, Pitch 0.65mm)

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
EDGE PIN 6 = ODD PADS
EDGE PIN 7 = UPPER COMB BUS
EDGE PIN 8 = LOWER COMB BUS
QUADRANT 4
EDGE PIN 5 = EVEN PADS
EDGE PIN 6 = ODD PADS
EDGE PIN 7 = LEFT COMB BUS
EDGE PIN 8 = RIGHT COMB BUS

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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