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MBL8259A-2 - NMOS PROGRAMMABLE INTERRUPT CONTROLLER

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Part number MBL8259A-2
Manufacturer Fujitsu
File Size 1.38 MB
Description NMOS PROGRAMMABLE INTERRUPT CONTROLLER
Datasheet download datasheet MBL8259A-2 Datasheet
Note This datasheet PDF includes multiple part numbers: MBL8259A-2, MBL8259A.
Please refer to the document for exact specifications by model.
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TABLE 1 - PIN DESCRIPTION Symbl Pin No.Type Vee 28 I GND 14 I CS 1 I WR 2 0 RD 3 I D 7 - Do 4-11 I/O CASo-CAS2 12,13,15 I/O SP/EN INT 16 I/O 17 0 IRo-IR7 18-25 I INTA Ao 26 I 27 I Name and Function Supply: +5V Supply.Ground Chip Select: A Iowan this pin enables RD and WR communication between the CPU and the MBl 8259A INTA functions are independent of CS.Write: A Iowan this pin when CS is low enables the MBl 8259A to accept command words from the CPU.Read:

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