![Green PCI-8554 electronic circuit board with various components and connectors (no readable text or symbols)](.cpci-8554-datasheet-en-1/658ec483fc3c1430f45fbd7a331fb407e79198495e4844087d9f829c2218ca88.jpg)

![Green electronic circuit board with various components, no visible text or symbols on the board itself](.cpci-8554-datasheet-en-1/9405b9617c0924dd1d6c6962799de648e7b98e8367dd7629a1336916c3b56eb0.jpg)

# Features

Supports a 32-Bit 5 V PCI bus (PCI-8554)
■ 3U Eurocard form factor, CompactPCI compliant (PICMG 2.0 R3.0) (cPCI-8554)
■ Onboard four 8254 programmable timer/counter chips
■ 10-CH independent 16-Bit down counters
■ 1-CH 32-Bit cascaded timer
Onboard 8 MHz clock source
■ Four programmable clock sources for each timer/counter
■ Programmable de-bounce filters for external clock & external interrupt inputs
■ Programmable interrupt sources
■ 8-CH TTL digital inputs & 8-CH TTL digital outputs
■ +12 V and +5 V power available on the connector
Onboard resettable fuses for power output protection

■	Supported Operating System

• Windows 7/8 x64/x86, Linux

Driver and SDK

• LabVIEW, MATLAB, C/C++, Visual Basic, Visual Studio.NET

■	Software Utility

• AD-Logger

# Specifications

# General-Purpose Timer/Counters

■ Number of channels: 10
Counter width: 16 Bit
■ Compatibility: 5 V/TTL
■ Base clock available: 8 MHz or external clock up to 10 MHz
■ Programmable clock sources
• cascaded 32-Bit timer output
• external clock
• timer/counter output of the last channel
• Onboard 8 MHz clock

# Cascaded Timer

■ Number of channels: 1
Counter width: 32 Bit
■ Compatibility: 5 V/TTL
■ Base clock available: 8 MHz, fixed

# Programmable De-bounce Filters for External Clocks

■ Number of channels: 11
■ Filtered inputs: external clock, external interrupt
■ Glitch rejection pulse width: 4 periods of the debounce clock
■ De-bounce clock: up to 2 MHz, programmable

# Interrupt

■ Number of interrupt sources: 2
■ Sources: external interrupt input and output of counter #12

# Digital I/O

■ Number of channels: 8 inputs and 8 outputs
■ Compatibility: 5 V/TTL
■ Data transfers: programmed I/O

# General Specifications

■ I/O connector: One 100-pin SCSI-II female
■ Operating temperature: 0˚C to 60˚C (32˚F to 140˚F)
■ Storage temperature: -20˚C to 80˚C (-4˚F to 176˚F)
■ Relative humidity: 5% to 95%, non-condensing
■ Power requirements

<table><tr><td>Device</td><td>+5 V</td></tr><tr><td>PCI-8554/cPCI-8554</td><td>350 mA typical</td></tr></table>

■ Dimensions (not including connectors) 134 mm x 107 mm (5.22” x 4.17”) (PCI-8554) 160 mm x 100 mm (6.24” x 3.9”) (cPCI-8554/8554R)

![The image displays a logo featuring the large, bold letters 'PCI' in black. A horizontal teal stripe runs through the middle of the 'P' and 'C'. Below these letters, the word 'CONCEPTUAL' is written in smaller, teal capital letters.](.cpci-8554-datasheet-en-1/567796064a741764febb9a678607d07899248a46d585b38c1d2b505f70af4b3d.jpg)

CompactPCl

# Terminal Boards & Cables

■	DIN-100S-01
Terminal Board with One 100-pin SCSI-II Connector and DIN-Rail Mounting (Cables are not included. For more information about mating cables, please refer to P3-48/49.)
Note: Legacy DIN-502S can be replaced by two DIN-50S-01 and ACL-10252-1 (100-Pin to two 50-Pin Cable, 1 M)

# Ordering Information

■ PCI-8554
10-CH General Purpose Timer/Counter & 8-CH DIO Card

■ cPCI-8554

12-CH 16-Bit Timer/Counter & Digital I/O Card
[🔗 Link to the original document](.cpci-8554-datasheet-en-1/cpci-8554-datasheet-en-1.pdf)
