UM9228-1
Description
The UM9228-1 is an CMOS integrated circuit desi~ned to plement the 765A (8272A) type of floppy disk controller chip; especially for IBM PC.
Key Features
- Early and late 250 ns write prepensation
- External 16 MHz clock required
- DMA inte"rface logic
- CMOS technology
- Single + 5 Volt supply
- For IBM PC disk drives especially
