2000 California Micro Devices Corp. All rights reserved.
7/27/2000
1
PACKBMU
CALIFORNIA MICRO DEVICES
215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
Keyboard, Mouse, and USB Filter and Protection Module
Features
Filter and ESD protection for
keyboard/mouse and dual USB ports
Product Description
The signals from the USB controller contain high frequency EMI signals that must be reduced before the output
connector. Likewise, the signals from the keyboard, mouse, and USB controller must be protected from any possible
charges such as static electricity.
Applications
High speed I/O port filter
C0970500
SCHEMATIC CONFIGURATION
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2000 California Micro Devices Corp. All rights reserved.
7/27/2000
215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
2
PACKBMU
CALIFORNIA MICRO DEVICES
Keyboard/
Mouse
Controller
2
11 14
1
6 12 13 19 24
PACKBMU
V
CC
23
USB
Controller
Keyboard
Connector
Mouse
Connector
USB
Connector
3
22
4
21
5
20
7
18
8
9
16
15
10
17
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Note 1: Human Body Model per MIL-STD-883, Method 3015
C
Discharge
= 100pF, R
Discharge
= 1.5 KW, pins 11 and 14 @ 5V and pins 1, 6, 12, 13, 19, 24 @ ground.
Note 2: Pins 1, 6, 12, 13, 19, 24 grounded, pins 11 and 14 to V
CC
, all other pins are open. ESD contact discharge between ground and
pins 2, 3, 4, 5, 15, 16, 17, 18, 20, 21, 22, 23, one at a time.
Note 3: Standard IEC 1000-4-2 with C
Discharge
= 150pF, R
Discharge
= 330W, pins 11 and 14 @ 5V and pins 1, 6, 12, 13, 19, 24 @ ground.
*Guaranteed by design.
Block Diagram
2000 California Micro Devices Corp. All rights reserved.
7/27/2000
3
PACKBMU
CALIFORNIA MICRO DEVICES
215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
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POWER DURATING CURVE
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