Support/peripheral/other chips - 8051 family

SAB1791	Floppy disk formatter/controller
Comment:	Supports single density and double density drives. Inverted data bus. Single sided operation.
Package:	40-pin DIP
Manufacturers:	Siemens
Siemens	SAB1791-02-P
SAB1793	Floppy disk formatter/controller
Comment:	Supports single density and double density drives. Single sided operation.
Package:	40-pin DIP
Manufacturers:	Siemens
Siemens	SAB1793-02-P
SAB1795	Floppy disk formatter/controller
Comment:	Supports single density and double density drives. Inverted data bus. Double sided operation.
Package:	40-pin DIP
Manufacturers:	Siemens
Siemens	SAB1795-02-P
SAB1797	Floppy disk formatter/controller
Comment:	Supports single density and double density drives. Double sided operation.
Package:	40-pin DIP
Manufacturers:	Siemens
Siemens	SAB1797-02-P
SAB2793B	Advanced floppy disk formatter/controller
Comment:	Supports single and double density drives. Software compatible with SAB179x. Single sided operation.
Package:	40-pin DIP
Manufacturers:	Siemens
Siemens	SAB2793B-P
SAB2797B	Advanced floppy disk formatter/controller
Comment:	Supports single and double density drives. Software compatible with SAB179x. Double sided operation.
Package:	40-pin DIP
Manufacturers:	Siemens
Siemens	SAB2797B-P
SAB8256A	Programmable multifunction UART
Comment:	Up to 19.2 K Baud with internal baud rate generator. Interrupt controller with 8 priority levels. 5 programmable 8-bit timers/counters. 2 8-bit I/O ports. SAB8256A support up to 3 MHz processors. SAB8256A-2 supports up to 8 MHz processors.
Package:	40-pin DIP
Manufacturers:	Siemens
Siemens	SAB8256A-C, SAB8256A-P, SAB8256A-2-C, SAB8256A-2-P
8274	Multi-protocol serial controller
Comment:	4 DMA channels. Two full-duplex transmitters and receivers. Up to 880 K Baud.
Package:	40-pin DIP
Manufacturers:	Intel
Intel	D8274, P8274
8275H	Programmable CRT controller
Package:	40-pin DIP
Manufacturers:	Intel
Intel	P8275H
8276H	Small system CRT controller
Comment:	8276-2 has 3 MHz clock.
Package:	40-pin DIP
Manufacturers:	Intel
8291A	GPIB talker/listener
Comment:	Designed to interface microprocessors to an IEEE 488 Digital interface bus.
Package:	40-pin DIP
Manufacturers:	Intel
Intel	D8291A, P8291A
8294A	Data encryption/decryption unit
Comment:	Includes DMA interface. 400 bytes per second conversion rate.
Package:	40-pin DIP
Manufacturers:	Intel
Intel	D8294A, P8294A
82530	Serial communications controller
Comment:	2 full-duplex serial channels. 82530 is a 4 MHz part. 82530-6 is a 6 MHz part.
Package:	40-pin DIP
Manufacturers:	Intel