ADSP-21990 datasheet(49/50 Pages) AD

49 / 50 page

ADSP-21990

Rev. A

Page 49 of 50

August 2007

ORDERING GUIDE

Figure 23. 176-Lead LQFP (ST-176)

Model

Temperature Range

1 Referenced temperature is ambient temperature.

Instruction Rate Operating Voltage Package Description

Package Option

ADSP-21990BBC

–40 C to +85 C

150 MHz

2.5 Int. V/3.3 Ext. V

196-Ball CSP_BGA

BC-196-2

ADSP-21990BST

–40 C to +85 C

160 MHz

2.5 Int. V/3.3 Ext. V

176-Lead LQFP

ST-176

ADSP-21990BSTZ2

2 Z = RoHS Compliant Part.

–40 C to +85 C

160 MHz

2.5 Int. V/3.3 Ext. V

176-Lead LQFP

ST-176

176-LEAD LOW PROFILE QUAD FLAT PACKAGE [LQFP] ST-176

NOTES:

1. ACTUAL POSITION OF EACH LEAD IS WITHIN 0.08 OF ITS IDEAL POSITION,

WHEN MEASURED IN THE LATERAL DIRECTION.

2. CENTER DIMENSIONS ARE NOMINAL.

3. DIMENSIONS COMPLY WITH JEDEC STANDARD MS-026-BGA

TOP VIEW

(PINS DOWN)

133

132

176

0.27

0.22

0.17

0.50

BSC

LEAD PITCH

1.60

MAX

0.75

0.60

0.45

VIEW A

PIN 1

1.45

1.40

1.35

0.15

0.05

0.20

0.09

0.08 MAX

COPLANARITY

VIEW A

ROTATED 90° CCW

SEATING

PLANE

7°

3.5°

0°

26.20

26.00 SQ

25.80

24.20

24.00 SQ

23.80

DIMENSIONS SHOWN IN MILLIMETERS

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