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KR2376 - Keyboard Encoder Read Only Memory

Description

TheSMC KR2376-XX isa2376-bit Read Only Memory with all the logic necessary to encode single pole single throw keyboard closures into a usable 9-bit code.

any special interface components.

Features

  • D Outputs directly compatible with TTUDTL or MOS logic arrays. o External control provided for output polarity selection. D External control provided for selection of odd or even parity. D Two key roll-over operation. D N-key lockout. D Programmable coding with a single mask change. D Self-contained oscillator circuit. D Externally controlled delay network provided to eliminate the effect of contact bounce. D One integrated circuit required for complete keyboard assembly. D Static charge protect.

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STANDARD MICROSYSTEMS =CORPOR~AT~IO~N~_ _ KR2376-XX Keyboard Encoder Read Only Memory FEATURES D Outputs directly compatible with TTUDTL or MOS logic arrays. o External control provided for output polarity selection. D External control provided for selection of odd or even parity. D Two key roll-over operation. D N-key lockout. D Programmable coding with a single mask change. D Self-contained oscillator circuit. D Externally controlled delay network provided to eliminate the effect of contact bounce. D One integrated circuit required for complete keyboard assembly. D Static charge protection on all input and output terminals. D Entire circuit protected by a layer of glass passivati on. PIN CONFIGURATION '-..
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