BankSwitch Chip

Overview

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Status

All versions are No Longer Available.

Description

The DS1222 BankSwitch Chip provides the circuitry for selecting among 16 memory banks under software control, thereby increasing system memory capacity without additional address lines. It can also be used to expand the address range of microprocessors and decoders. Continuous blocks of memory are enabled by a pattern recognition sequence on four address inputs. By combining the DS1222 with the DS1212 Nonvolatile Controller x16 Chip, up to 16 banks of static RAMs can be selected.

Data Sheet

Download	Rev 1	(PDF, 47kB)
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Key Features

Circuitry selects among 16 banks of memory enabling one at a time
Automatically sets all 16 banks off on power-up
Low-power CMOS circuitry
Thermal operating range: 0°C to +70°C
Voltage/tolerance: 5V ±10%

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Rev 1; 1999-11-18
This page last modified: 2007-06-18