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B9946
Document #: 38-07077 Rev. *C
Page 4 of 5
© Cypress Semiconductor Corporation, 2001. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use
of any circuitry other than circuitry embodied in a Cypress Semiconductor product. Nor does it convey or imply any license under patent or other rights. Cypress Semiconductor does not authorize
its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress
Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges.
Package Drawing and Dimensions
Note:
10. The ordering part number is formed by a combination of device number, device revision, package style, and screening as shown below.
D
D1
A2
b
e
10°
A
L
A1
32-Pin TQFP Outline Dimensions
Inches
Millimeters
Symbol
Min.
Nom.
Max.
Min.
Nom.
Max.
A
-
-
0.047
-
-
1.20
A1
0.002
-
0.006
0.05
-
0.15
A2
0.037
-
0.041
0.95
-
1.05
D-
0.354
-
-
9.00
-
D1
-
0.276
-
-
7.00
-
b
0.012
-
0.018
0.30
-
0.45
e
0.031 BSC
0.80 BSC
L
0.018
-
0.030
0.45
0
0.75
Ordering Information
Part Number[10]
Package Type
Production Flow
B9946CA
32-Pin TQFP
Industrial, –40°C to +85°C
Marking: Example:
Cypress
B9946CA
Date Code, Lot #
B9946CA
Package
A = TQFP
Revision
Device Number
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