27S29 Abstract: AM27S28 Am27S28/27S29 Text: Am27S28/ 27S29 4,096-Bit (5 1 2 x 8 ) Bipolar PROM Am27S28/ 27S29 DISTINCTIVE CHARACTERISTICS · · · High Speed Highly reliable, ultra-fast programming Platinum-Silicide fuses High programming yield · · · Low-current PNP inputs High-current open-collector and three-state outputs Fast chip select GENERAL DESCRIPTION The Am27S28/29 (512-words by 8-bits) is a Schottky TTL Programmable Read-Only Memory (PROM). This device is available in both open collector (Am27S28) and three-state (Am27S29) output
On Sun, May 31, 2020 at 7:35 PM Ian Finder via cctalk <[email protected]> wrote: > > Title says all, > > Backing up all the programmable parts in the Apollo DN100 and the CPU board > has a few of these ceramic DIPs with the same Apollo P/N labels as the > Am27S29 and similar programmable parts. > > > Thanks
