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CALIFORNIA MICRO DEVICES
Keyboard, Mouse, and USB Filter and Protection Module
PACKBMU
Features
• Filter and ESD protection for
keyboard/mouse and dual USB ports
Applications
• High speed I/O port filter
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.
SCHEMATIC CONFIGURATION
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42POSQUMBKCAPR/UMBKCAPQUMBKCAP
© 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
NOITAMROFNIGNIREDROTRAPDRADNATS
C0970500
1
Page 2
CALIFORNIA MICRO DEVICES
*noitcetorPDSE NIMXAM
*Guaranteed by design.
PACKBMU
SNOITACIFICEPSDSE
)1etoN(5103dohteM,ledoMydoBnamuH,O/IynaaegatloVegrahcsiDkaeP VK4– VK4
)2etoN(MBH,noitcetorPmetsySnI VK8– VK8
)3,2etoN(3leveL,2-4-0001CEI,noitcetorPmetsySnI VK4– VK4
)2,1etoN(MBH,sesluPDSEVK8@egatloVpmalClennahC VK03– VK03
Note 1: Human Body Model per MIL-STD-883, Method 3015
Note 2: Pins 1, 6, 12, 13, 19, 24 grounded, pins 11 and 14 to V
Note 3: Standard IEC 1000-4-2 with C
C
pins 2, 3, 4, 5, 15, 16, 17, 18, 20, 21, 22, 23, one at a time.
Discharge
= 100pF, R
= 1.5 KW, pins 11 and 14 @ 5V and pins 1, 6, 12, 13, 19, 24 @ ground.
Discharge
= 150pF, R
Discharge
Discharge
Block Diagram
11 14
2
Keyboard/
Mouse
Controller
USB
Controller
3
4
5
7
8
916
10
1 6 12 13 19 24
, all other pins are open. ESD contact discharge between ground and
CC
= 330W, pins 11 and 14 @ 5V and pins 1, 6, 12, 13, 19, 24 @ ground.
V
CC
PACKBMU
23
22
21
20
Keyboard
Connector
Mouse
Connector
18
17
USB
Connector
15
©2000 California Micro Devices Corp. All rights reserved.
2
215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
7/27/2000
Page 3
CALIFORNIA MICRO DEVICES
POWER DURATING CURVE
PACKBMU
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53.157.1350.0960.0
01.052.0400.0010.0
02.003.0800.0210.0
81.052.0700.0010.0
65.837.8733.0443.0
18.389.3051.0751.0
CSB46.0CSB520.0
97.591.6822.0442.0
04.072.1610.0050.0
SNOITACIFICEPSLACINAHCEM
© 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
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