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MSM6690 - ROM Interface IC

General Description

The MSM6690 can drive three devices of 131,072 x 8-bit EPROM or Mask ROM.

The MSM6690 contains a built-in internal address generator circuit and one external clock input that enables contiued serial read operations.

Key Features

  • Capable of driving three devices of 1 Mbit EPROM.
  • Capable of driving three devices of 1 Mbit Mask ROM.
  • Supply voltage : Single 5 V.
  • Package options : 42-pin plastic DIP (DIP42-P-600) (Product name: MSM6690RS) 44-pin plastic QFP (QFP44-P-910-2K) (Product name: MSM6690GS-2K).
  • Available combinations MSM6388/6588 + MSM6389/6587/6586 + MSM6690 + ROM MSM6688/6788/6789A + (MSM6684/6685) + MSM6690 + ROM Note: When driving the MSM6690 with the MSM6388 or the MSM.

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¡ Semiconductor MSM6690 ¡ Semiconductor ROM Interface IC MSM6690 GENERAL DESCRIPTION The MSM6690 can drive three devices of 131,072 x 8-bit EPROM or Mask ROM. The MSM6690 contains a built-in internal address generator circuit and one external clock input that enables contiued serial read operations. The internal address counter is automatically incremented by one each read operation. The external serial address input allows 1,024 words to be addressed in the X-direction, and 1,024 words in the Y-direction. * ROM is selected through CS1, CS2 and CS3 pins.