PMC730 mezzanine modules provide a variety of I/O functions on a single plug-in card. These high-density PMC modules perform both high-speed and high-resolution A/D and D/A conversion and also handle digital I/O and counter/timer functions. Now you can conserve your precious PMC slots and still get all the I/O functionality you need. The PMC730 is designed for extreme versatility with many deluxe features to meet most applications. However, the PMC730 is still very budget-friendly. A conduction-cooled version is also available.


Analog Input

Input configuration: 16 differential or 32 single-ended channels multiplexed to a single A/D converter. A/D resolution: 16 bits. Input ranges: ±3.3V, ±5V, ±10V, 0-5V, and 0-10V. Maximum throughput rate: One channel updated at a time. 1 channel (maximum): 10μS 16 channels (maximum): 160μS 32 channels (maximum): 320μS Data sample memory: 512 samples shared by all channels. A/D trigger: Internal timer, external source, software. On-board timer: One user-programmable timer for analog input acquisition control. System accuracy: ±3 LSB typ. (SW calib., gain=1, 25°C). Data format: Straight binary or binary two’s compliment. Input overvoltage protection: -40 to 55V power off. Common mode rejection ratio (60Hz): 96dB typical. Channel-to-channel rejection ratio (60Hz): 96dB typical.

Analog Output

Output configuration: 8 single-ended channels, each controlled by its own independent D/A converter. D/A resolution: 16 bits. Output range: ±10V. Maximum throughput rate: Outputs updated simultaneously or individually. 1 channel: 12.375μS 8 different channels: 12.375μS DAC programming: Via independent channel registers or through shared FIFO. Data sample memory: 1024 sample FIFO shared by all channels. D/A trigger: Internal timer, external source, software. On-board timer: One user-programmable timer for analog output control. System accuracy: 0.0076% of 20V span max. error corrected (i.e. calibrated) at 25°C with output unloaded. Data format: Straight binary. Output at reset: 0V. Output current: -10 to 10mA (maximum). Short circuit protection: Indefinite at 25°C.

Digital I/O

I/O channel configuration: 16 TTL transceivers, input/ output direction selectable on an 8-channel basis.

Digital Input

Input voltage range: 0 to 5V DC. Input signal threshold: Low to high: 2.0V typical. High to low: 0.8V typical. Input response time: 250 nanoseconds. Interrupts: 16 channels of interrupts for high-to-low, low-to-high, or any change-of-state event types. Debounce: Individual debounce selectable on each channel. User-selectable (4μS, 64μS, 1mS, or 8mS).

Digital Output

Output voltage range: 0 to 5V DC. Output ON current range: -15 to 64mA. Output pullups: 4.7K ohm socketed resistors.


Counter/timer configuration: one 32-bit counter (requires use of channels 2 through 5 of digital I/O section). Functions: Watchdog timer, event counting, pulse measurement, period measurement, output waveform generation (pulse width modulation, continuous pulse, single pulse, continuous waveform). Internal clock: Programmable 1, 4, 8MHz. External clock: 3.4MHz. Input voltage range: 0 to 5V DC. Output voltage range: 0 to 5V with 4.7 ohm pull-up. Maximum of 0 to 35V with external supply.

PMC Compliance

Conforms to PCI Local Bus Specification, Revision 2.2 and CMC/PMC Specification, P1386.1. 4K Memory Space Required: One Base Address Register. Signaling: 5V Compliant, 3.3V Tolerant. Interrupts (INTA#): Interrupt A is used to request an interrupt.


Operating temperature: 0 to 70°C (PMC730 / R) or -40 to 85°C (PMC730E / CC). Storage temperature: -55 to 100°C. Relative humidity: 5 to 95% non-condensing. Power: 120mA at +5V. 95mA at +12V. 70mA at -12V. MTBF: 929,541 hrs. at 25°C, MIL-HDBK-217F, notice 2.

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    PMC730: PMC Multifunction I/O Module

    • 16D/32SE channels, 16-bit A/D
    • 8 channels, 16-bit D/A
    • 16 TTL input/outputs
    • 32-bit counter/timer
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