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CMCPCI101QS, CMCPCI101TS, CMCPCI102B

Table of contents:
Info of CMCPCI101QS
Info of CMCPCI101TS
Info of CMCPCI102B

CMCPCI101QS, CMCPCI101TS, CMCPCI102B Selling Leads, Datasheet

MFG:SOP-28 Package Cooled:CMD D/C:02+

CMCPCI101QS, CMCPCI101TS, CMCPCI102B Picture

CMCPCI101QS, CMCPCI101TS, CMCPCI102B Datasheet download

Five Points

Part Number: CMCPCI101QS

MFG: SOP-28

Package Cooled: CMD

D/C: 02+

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CMCPCI102B General Description

The CMCPCI102BT/BR is a 10-channel backplane interface/termination IC specifically designed for CompactPCI redundant system-slot cards. The CMCPCI102BT/BR allows CompactPCI boards to interface to the backplane and provides the versatility to use system cards in any slot (system or peripheral). Per the CompactPCI specification, the CMCPCI102BT/BR provides a 10Ω termination resistor for each channel to terminate the transmission line stub on the board. An integral series switch and associated control signal (SW_EN) permits connection/disconnection of the channel, so that the device side of the circuit may be isolated from the backplane side.

The CompactPCI standard requires system boards to be hot-swappable. To accommodate this requirement, the CMCPCI102BT/BR features a switched 10kΩ resistor connected to the 1V Precharge Supply Voltage. If the precharge enable pin (P_EN) is asserted, then the 10kΩ pull-up resistors are connected to precharge the circuits.

In addition, a system board requirement mandates either a 1.0kΩ pull-up resistor or a 2.7kΩ resistor connected to VIO. CompactPCI slot cards must work in either 3.3V or 5V systems, hence the need for both 2.7kΩ and 1kΩ resistors. If the 3_EN pin is logic high, the 2.7kΩ resistor is used as the pull-up. If the 5_EN pin is logic high, the 1kΩ resistor is used.

The CMCPCI102BT/BR integrates all these functions in a low-profile 28-pin TSSOP package and is available with optional lead-free finishing.

Note: Some of the devices listed here have suggested replacements available. Please see additional information at the end of this page.

CMCPCI102B Maximum Ratings

CompactPCI™ standards compliant
Allows CompactPCI System Cards to be
used in any Slot
Provides termination for up to ten channels
Provides a series switch in each channel
Supports hot-swap capability
Very low capacitance load on each line
Industrial temperature range
28-pin TSSOP package
Lead-free version available

CMCPCI102B Features

• CompactPCI^® standards compliant
• Allows CompactPCI System Cards to be
• used in any Slot
• Provides termination for up to ten channels
• Provides a series switch in each channel
• Supports hot-swap capability
• Very low capacitance load on each line
• Industrial temperature range
• 28-pin TSSOP package

CMCPCI102B Typical Application

• Redundant System CompactPCI^® cards
• Hot-swap CompactPCI cards
• Industrial PCs
• Telecom/Datacom equipment
• Instrumentation
• Computer Telephony
• Real-time machine control

CMCPCI102B Connection Diagram

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