B-52 Legacy 4 Card

Detailed Card Description

QUADRANT 1 – Contains QTY 4 of SIR MINI-COUPONS(5/5, 10/10, 15/15, 20/20)
QUADRANT 2 – Contains QTY 3 of P/N QFN 88 (88-Leads, Body 12x12mm, Pitch 0.5mm, GND LUG 6x6mm)
and QTY 3 of QFN DR 124 (124-Leads, Body 10.1×10.1mm, Pitch 0.5mm, GND LUG 2.8×2.8mm)
QUADRANT 3 – Contains QTY 2 of P/N 0714362164 (64-Leads, Pitch 1mm)
QUADRANT 4 – Contains QTY 2 of P/N 5536501-3 (96-Leads, Pitch 2mm)

SIR Test Parameters

QUADRANT 1
EDGE PIN 1 = RIGHT COMB BUS OF EACH MINI
EDGE PIN 2 = LEFT COMB BUS OF EACH MINI
QUADRANT 2
EDGE PIN 3 = ODD OUTER PADS OF ALL QFNs
EDGE PIN 4 = EVEN OUTER PADS + GND LUGS OF ALL QFNs
QUADRANT 3
EDGE PIN 5 = TOP ROW OF UPPER CONN + ODD PADS OF BOTTOM CONN
EDGE PIN 6 = BOT ROW OF UPPER CONN + EVEN PADS OF BOTTOM CONN
QUADRANT 4
EDGE PIN 7 = ODD ROWS OF UPPER CONN + ODD COLUMNS OF BOT CONN
EDGE PIN 8 = EVEN ROWS OF UPPER CONN + EVEN COLUMNS OF BOT CONN

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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