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Am8228 Datasheet PDF

AMD Am8228

The Am8228 and Am8238 are single chip System Controller Data Bus drivers for the Am9080A Microcomputer System. They generate all control signals required to directly interface Am9080A/8080A compatible system circuits (memory and I/O) to the CPU.
Part No. Am8228
Datasheet Am8228 Download
Manufacturer
AMD
Description System Controller and Bus Driver
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Am8228 datasheet page 1 preview

DESCRIPTION

Bi-directional bus drivers with three-state outputs are provided for the system data bus, facilitating CPU independent bus operations such as direct memory access. Interrupt processing is accommodated by means of a single vectored interrupt or by means of the standard a080A multiple byte interrupt vector operation. DO 0, O2 CPU DATA 03 BUS 0 4 05 Os 07 LOGIC DIAGRAM BI-OI RECTIONAL BUS DRIVER SYSTEM DATA BUS LOGIC SYMBOL 15 17 12 10 6 19 21 8 Vee = Pin 28 GND = Pin 14 13 16 11 9 18 20 23 24 26 25 27 LlC-629 CONNECTION DIAGRAM Top View ffifB _ -_ _ _ _ _ _ _ _....J OBIN - - - - - - - - - - - - - - - 1 HLO~A ---------------------------_-of LIC-628 ~_ _....1 ORDERING INFORMATION Package Type Molded DIP Hermetic DIP Hermetic DIP Dice Hermetic DIP Molded DIP Temperature Range O°C to +70°C O°C to +70o C -55°C to +125°C O°C to +70°C OOC to +70°C OOC to +70°C Am8228 Order Number AM8228PC 08228 AM8228DM AM8228XC Am8238 Order Number AM8238PC 08238 AM8238DM AM8238XC AM8238-4DC* AM8238...
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