A Comprehensive Guide To TIBPAL20R6-10CNT IMPACT-X™ PAL® Programmable Logic Device (PLD) IC Macrocells 24-PDIP

IMPACT-X™ PAL® Programmable Logic Device (PLD) IC Macrocells 24-PDIP

General Description

These programmable array logic devices feature high speed and functional equivalency when compared with currently

available devices.These IMPACT-XT™ circuits combine the latest Advanced Low-Power Schottky technology with proven

titanium-tungsten fuses to provid reliable, high-performance substitutes for conventional TTL logic. Their easy

programmability allows for quick design of custom functions and typically results in a more compact circuit board. In

addition, chip carriers are available for futher reduction in board space.

All of the register outputs are set to a low level during power up. Extra circuitry has been provided to allow loading of

each register asynchronously to either a high or low state. This feature simplifies testing because the registers can be set

to an initial state prior to executing the test sequence.

The TIBPAL20’C series is characterized from 0°C to 75°C.

Features

• High-Performance Operation:

   fmax (no feedback)

      TIBPAL20R'...71.4 MHz

   fmax (internal feedback)

      TIBPAL20R'...58.8 MHz

   fmax (external feedback)

      TIBPAL20R’...55.5 MHz

   Propagation Delay

      TIBPAL20'...10 ns Max

• Functionally Equivalent, but Faster Than Existing 24-Pin PLD Circuits

• Preload Capability on Output Registers Simplifies Testing

• Power-Up Clear on Registered Devices (All Register Outputs are Set Low, but Voltage Levels at the Output Pins Go High)

• Package Options Include Plastic Chip Carriers in Addition to Plastic and Ceramic DIPs

• Security Fuse Prevents Duplication

• Dependable Texas Instruments Quality and Reliability

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