LTC1314

PRODUCTION

PCMCIA Switching Matrix with Built-In N-Channel VCC Switch Drivers

Data Sheet Product Selection Table
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Overview

  • Output Current Capability: 120mA
  • External 12V Regulator Can Be Shut Down
  • Built-In N-Channel VCC Switch Drivers
  • Digital Selection of 0V, VCCIN, VPPIN or Hi-Z
  • 3.3V or 5V Vcc Supply
  • Break-Before-Make Switching
  • 0.1µA Quiescent Current in Hi-Z or 0V Mode
  • No VPPOUT Overshoot
  • Logic Compatible with Standard PCMCIA Controllers

The LTC1314/LTC1315 provide the power switching necessary to control Personal Computer Memory Card International Association (PCMCIA) Release 2.0 card slots. When used in conjunction with a PC card interface controller, these devices form a complete minimum component count interface for palmtop, pen-based and notebook computers.

The LTC1314/LTC1315 provide 0V, 3.3V, 5V, 12V and Hi-Z power output for flash VPP programming. A built-in charge pump produces 12V of gate drive for inexpensive N-channel 3.3V/5V Vcc switching. The 12V regulator can be shut down when 12V is not required at VPPOUT. All digital inputs are TTL compatible and interface directly with industry standard PC card interface controllers.

The LTC1314 is available in 14-pin SO and the LTC1315 in 24-pin SSOP.

Applications

  • Notebook Computers
  • Palmtop Computers
  • Pen-Based Computers
  • Handi-Terminals
  • Bar-Code Readers
LTC1314
PCMCIA Switching Matrix with Built-In N-Channel VCC Switch Drivers
Typical PCMCIA Single Slot Driver Linear Technology PCMCIA Product Family LTC1314 Truth Table Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Data Sheet

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