MBL8289 Datasheet (Fujitsu) - BIPOLAR BUS ARBITER

MBL8289, BIPOLAR BUS ARBITER

TABLE 1 - PIN DESCRIPTION Symbol Type Name and Function Vee GND SO, Sl, S2 ClK lOCK CRQlCK RESB ANYRQST lOB Power: +5V supply ±10%.

Ground.

I Status Input Pins: The status input pins from an MBl8086, MBl 8088, MBl80186, MBl80188 or MBl8089 processor.

The MBl8289 decodes these pins to initiate bu

MBL 8289 MBL 8289-1 BIPOLAR BUS ARBITER FOR MBl8086/8088/80186/80188/8089 April 1986 Edition 4.0 The Fujitsu MBl 8289 Bus Arbiter is a 20'pin, 5-volt-only bipolar component for use with medium to large MBl 8086/8088/ 80186/80188 multi-master/multiprocessing systems.

The MBl 8289 provides system bus arbitration for systems with multiple bus masters, sucfl as an MBl8086/8088/80186/80188 CPU with MBl8089 lOP in its REMOTE mode, while providing bipolar buffering and drive capability.