AD0
AD7 CE WE OE VCC GND
Port address/data Port enable Write enable Output enable +5 volt supply Ground
DESCRIPTION
The DS1609 is a random access 256
byte dual port memory designed to connect two asyncronous address/data bu
Full PDF Text Transcription for DS1609 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
DS1609. For precise diagrams, and layout, please refer to the original PDF.
DS1609 DS1609 Dual Port RAM FEATURES PIN ASSIGNMENT PORT A AD7A AD6A AD5A AD4A AD3A AD2A AD1A AD0A WEA CEA OEA GND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 1...
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EA CEA OEA GND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 PORT B VCC OEB CEB WEB AD0B AD1B AD2B AD3B AD4B AD5B AD6B AD7B • Totally asynchronous 256–byte dual port memory • Multiplexed address low and data bus keeps pin count • Dual port memory cell allows random access with minimum arbitration nals • Each port has standard independent RAM control sig• Fast access time • Low power CMOS design • 24–pin DIP or 24–pin SOIC surface mount package • Both CMOS and TTL compatible • Operating temperature of –40°C to +85°C • Standby current of 100 nA @ 25°C makes the device ideal for battery backup or battery oper