| NSC831 |
Parallel I/O unit |
| Comment: | 3 programmable I/O units (22 bits). |
| Packages: | 40-pin DIP, 44-pin ceramic CLCC, 44-pin PLCC |
| Manufacturers: | National Semiconductor |
| |
| UM8312 |
Double row buffer |
| Similar: | SMC9212, CRT9212 |
| Comment: | Up to 135 characters per row. Multiple chips can be cascaded to support more than 135 characters per row.
Up to 4 MHz read/write data rate.
Compatible with UM9007. |
| Package: | 28-pin DIP |
| Manufacturers: | UMC |
| |
| Z8320 |
Low power parallel I/O controller |
| Comment: | Z8320-1 is a 1 MHz part.
Z8320-3 is a 2.5 MHz part. |
| Package: | 40-pin DIP |
| Manufacturers: | Zilog |
| Zilog | Z8320-1 PS (Z8320-1PS), Z8320-3 PS (Z8320-3PS) |
| |
| UM8321 |
CRT video attributes controller |
| Similar: | SMC9021, CRT9021 |
| Comment: | Wide and thin graphics modes.
Character modes with and without underline.
Attributes logic: reverse video, character blank, character blink, underline and full/half intensity.
Four cursor modes.
Compatible with UM9007. |
| Package: | 28-pin DIP |
| Manufacturers: | UMC |
| UMC | UM8321A, UM8321B |
| |
| UM8326 |
Floppy disk data separator |
| Similar: | WD9216 |
| Comment: | Separates FM and MFM encoded data.
Compatible with FDC 1791 and FDC1793 floppy fisk controllers. |
| Package: | 8-pin DIP |
| Manufacturers: | UMC |
| UMC | UM8326, UM8326B |
| |
| UM8329 |
Floppy disk interface circuit |
| Similar: | SMC9229 |
| Comment: | Separates FM and MFM encoded data.
Compatible with FDC 179x, 8272A, and other floppy fisk controllers. |
| Package: | 20-pin DIP |
| Manufacturers: | UMC |
| UMC | UM8329, UM8329B, UM8329T, UM8329BT |
| |
| Z8330 |
Low power counter timer circuit |
| Comment: | Z8330-1 is a 1 MHz part.
Z8330-3 is a 2.5 MHz part. |
| Package: | 28-pin DIP |
| Manufacturers: | Zilog |
| Zilog | Z8330-1 PS (Z8330-1PS), Z8330-3 PS (Z8330-3PS) |
| |
| Z8340 |
Low power serial I/O controller |
| Comment: | Z8340-1 is a 1 MHz part.
Z8340-3 is a 2.5 MHz part. |
| Package: | 40-pin DIP |
| Manufacturers: | Zilog |
| Zilog | Z8340-1 PS (Z8340-1PS), Z8340-3 PS (Z8340-3PS) |
| |
| DP8350 |
Programmable CRT controller |
| Package: | 40-pin DIP |
| Manufacturers: | National Semiconductor |
| |
| MSM83C55 |
2048x8 mask ROM with I/O ports |
| Comment: | 2 8-bit I/O ports. |
| Packages: | 40-pin DIP, 44-pin QFP |
| Manufacturers: | OKI |
| |
