PRELIMINARY
CALIFORNIA MICRO DEVICES
PRC1284
MICROPOWER RRO Operational Amplifier with Shutdown
Features
• Stable resistor-capacitor network
• 9 terminating lines/package
• Saves board space, reduces assembly cost,
simplifies routing
• ESD protected
• Miniature QSOP package
Applications
• ECP/EPP Parallel Port termination
• EMI/RFI Filter
• Notebook and Desktop computers
• Engineering Workstations and Servers
Product Description
Advanced, high-speed parallel ports, conforming to the
IEEE 1284 standard, are used to provide communica-
tions with external devices such as tape back-up drives,
ZIP drives, printers, parallel port SCSI adapters, external
LAN adapters, scanners, and other PC peripherals.
These advanced ports support bi-directional transfers to
2MB/sec and above. To support these data rates, the
IEEE 1284 standard recommends a combined termina-
tion, pull-up filter network between the driver/receiver
and the cable at both ends of the parallel port interface.
In addition, government EMC compatibility requirements
impose the need to include a filter on the parallel port.
The PRC1284 addresses all of these requirements by
providing a nine line, IEEE 1284 compliant network in a
thin film integrated circuit. Two of these networks replace
54 discrete components and provide a complete parallel
port termination.
CAMD’s PRC1284 Parallel Port Termination Network is a
convenient single function which includes pull-up, series
termination, and an EMI filter capacitor. The resistors
and capacitors are fabricated using proprietary state-of-
the-art thin film technology.
SCHEMATIC CONFIGURATION
20
19
18
17
16
15
14
13
12
11
R1
R2
C
1
2
3
4
5
6
7
8
9
10
S TA N D A R D PA R T O R D E R I N G I N F O R M AT I O N
Package
RC Code
01
02
03
04
05
06
07
Pins
20
20
20
20
20
20
20
Style
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
Ordering Part Number
Tubes
PRC1284-01S/T
PRC1284-02S/T
PRC1284-03S/T
PRC1284-04S/T
PRC1284-05S/T
PRC1284-06S/T
PRC1284-07S/T
Tape & Reel
PRC1284-01S/R
PRC1284-02S/R
PRC1284-03S/R
PRC1284-04S/R
PRC1284-05S/R
PRC1284-06S/R
PRC1284-07S/R
Part Marking
PRC1284-01S
PRC1284-02S
PRC1284-03S
PRC1284-04S
PRC1284-05S
PRC1284-06S
PRC1284-07S
C1210600
© 2000 California Micro Devices Corp. All rights reserved.
7/14/2000
215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com
1
PRELIMINARY
CALIFORNIA MICRO DEVICES
PRC1284
S TA N D A R D PA R T O R D E R I N G I N F O R M AT I O N ( C o n t i n u e d )
Package
RC Code
01
02
03
04
05
06
07
Pins
20
20
20
20
20
20
20
Style
QSOP
QSOP
QSOP
QSOP
QSOP
QSOP
QSOP
Ordering Part Number
Tubes
PRC1284-01Q/T
PRC1284-02Q/T
PRC1284-03Q/T
PRC1284-04Q/T
PRC1284-05Q/T
PRC1284-06Q/T
PRC1284-07Q/T
Tape & Reel
PRC1284-01Q/R
PRC1284-02Q/R
PRC1284-03Q/R
PRC1284-04Q/R
PRC1284-05Q/R
PRC1284-06Q/R
PRC1284-07Q/R
Part Marking
PRC1284-01Q
PRC1284-02Q
PRC1284-03Q
PRC1284-04Q
PRC1284-05Q
PRC1284-06Q
PRC1284-07Q
California Micro Devices can develop a fully customized solution which embodies the configuration shown in this data
sheet or modified to suit specific application requirements. A Non-Recurring Engineering (NRE) charge will apply for
all fully customized requirements and a minimum order/lot will be required.
Please direct your detailed circuit configuration and specification requirements to your local CAMD representative or
to the factory for a quotation.
S TA N D A R D S P E C I F I C AT I O N S
Absolute Tolerance (R)
Absolute Tolerance (C)
Operating Temperature Range
Power Rating/Resistor (R1)
Storage Temperature
Package Power Rating
±10%
±20%
0°C to 70°C
100mW
–65C to 150C
1W, Max
S TA N D A R D VA L U E S
R1 (
Ω
) R2 (
Ω
)
1K
2.2K
4.7K
4.7K
4.7K
4.7K
10K
33
33
10
33
270
27
10
C (pf)
180
220
180
180
33
33
27
Breakdown
Voltage (Max)
25V
25V
25V
25V
25V
25V
25V
RC Code
01
02
03
04
05
06
07
©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
7/14/2000
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