datasheets for 82S21 - Signetics 32x2 SRAM?

Tony Duell ard at p850ug1.demon.co.uk
Fri Sep 9 19:06:08 CDT 2005


> There are some real oddballs - 7459 is one (there was a thread on this a

7456 and 7457, which are /50 and /60 counters (to get 1Hz from european 
and US mains). AFAIK they're the only TTL chips in 8 pin packages.

And the 74S262, which is a teletext-compatible character generator ROM. 
Very few databooks list that one.

-tony



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