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©Copyright 2005. STATS ChipPAC Ltd. All rights reserved.

January 2005

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Global Offices

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CHINA 86-21-5976-5858

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NETHERLANDS 31-38-333-2023

LQFP

Low Profile Quad Flat Pack

PACKAGE CONFIGURATIONS

Package Size (mm)

Lead Count

7 x 7

32, 40, 48

10 x 10

44, 64

12 x 12

80, 100

14 x 14

44, 64, 80, 100, 128

14 x 20

128

20 x 20

144,184

24 x 24

176

28 x 28

208

SPECIFICATIONS

Die Thickness

280-430

µm (11-17mils) range preferred

Gold Wire

25/30

µm (1.0/1.2mils) diameter, 99.999%Au

Lead Finish

85/15 Sn/Pb or Matte Tin

Marking

Laser / ink

Packing Options

JEDEC tray / tape and reel

RELIABILITY

Moisture Sensitivity Level

JEDEC Level 3

Temperature Cycling

-65°C/150°C, 1000 cycles

High Temperature Storage

150°C, 500 hrs

Pressure Cooker Test

121°C 100% RH,

2 atm, 168 hrs

Liquid Thermal Shock (opt)

-55°C/125°C, 1000 cycles

THERMAL PERFORMANCE,

θθθθθja (°C/W)

Package

Body Size (mm)

Pad Size (mm)

Die Size (mm)

Thermal Performance,

θθθθθja (°C/W)

48L

7 x 7 x 1.4

5.3 x 5.3

3.8 x 3.8

50.0

100L

14 x 14 x 1.4

9.0 x 9.0

7.8 x 7.8

37.2

208L

28 x 28 x 1.4

9.0 x 9.0

7.8 x 7.8

32.1

Note: Simulation data for package mounted on 4 layer PCB (per JEDEC JESD51-7) under natural convection as defined in JESD51-2.

CROSS-SECTION

ELECTRICAL PERFORMANCE

Electrical parasitic data is highly dependent on the package layout. 3D electrical simulation can be used on the specific package design

to provide the best prediction of electrical behavior. Data below is for a frequency of 100MHz and assumes 1.0 mil gold bonding wire.

Conductor

Length

Resistance

Inductance

Inductance

Capacitance

Capacitance

Component

(mm)

(mOhms)

(nH)

Mutual (nH)

(pF)

Mutual (pF)

Wire

2

120

1.65

0.45 - 0.85

0.10

0.01 - 0.02

Lead (7 x 7mm, 32L)

1.4 - 2.2

11.0 - 18.0

0.64 - 0.99

0.31 - 0.49

0.21 - 0.33

0.07 - 0.12

Total (7 x 7mm, 32L)

131 - 138

2.29 - 2.64

0.76 - 1.34

0.31 - 0.43

0.08 - 0.14

Wire

2

120

1.65

0.45 - 0.85

0.10

0.01 - 0.02

Lead (14 x 14mm, 128L)

3.0 - 4.5

24.0 - 36.0

1.96 - 2.92

1.08 - 1.61

0.45 - 0.67

0.20 - 0.30

Total (14 x 14mm, 128L)

144.0 - 156.0

3.61 - 4.57

1.53 - 2.46

0.55 - 0.77

0.21 - 0.32