On Mar 22, 17:32, Bill Sudbrink wrote: > > > Could some kind soul post the pin-out > > > of a 2532 4Kx8 EPROM? > > > > Which one TI or moto or ? > > Egad! They have different pin-outs by manufacturer?!?! There's an "industry-standard" arrangement, and a JEDEC arrangement. TI, almost uniquely, chose the "unusual" one for 2532s. > Uh... it has an 'S' on it that looks like two 'C's > hooked together, one upsidedown. Is that Signetics? Sounds like it... here you go: Intel, Motorola, Signetics, Hitachi etc 2532/2732: A7 1 24 Vcc A6 2 23 A8 A5 3 22 A9 A4 4 21 A11 A3 5 20 ~OE/Vpp A2 6 19 A10 A1 7 18 ~CE A0 8 17 D7 D0 9 16 D6 D1 10 15 D5 D0 11 14 D4 GND 12 13 D3 Texas TMS2532, Hitachi HN462532 (JEDEC): A7 1 24 Vcc A6 2 23 A8 A5 3 22 A9 A4 4 21 Vpp A3 5 20 ~CE/~PGM A2 6 19 A10 A1 7 18 A11 A0 8 17 D7 D0 9 16 D6 D1 10 15 D5 D0 11 14 D4 GND 12 13 D3 -- Pete Peter Turnbull Dept. of Computer Science University of York On Mar 22, 17:32, Bill Sudbrink wrote: > > > Could some kind soul post the pin-out > > > of a 2532 4Kx8 EPROM? > > > > Which one TI or moto or ? > > Egad! They have different pin-outs by manufacturer?!?! There's an "industry-standard" arrangement, and a JEDEC arrangement. TI, almost uniquely, chose the "unusual" one for 2532s. > Uh... it has an 'S' on it that looks like two 'C's > hooked together, one upsidedown. Is that Signetics? Sounds like it... here you go: Intel, Motorola, Signetics, Hitachi etc 2532/2732: A7 1 24 Vcc A6 2 23 A8 A5 3 22 A9 A4 4 21 A11 A3 5 20 ~OE/Vpp A2 6 19 A10 A1 7 18 ~CE A0 8 17 D7 D0 9 16 D6 D1 10 15 D5 D0 11 14 D4 GND 12 13 D3 Texas TMS2532, Hitachi HN462532 (JEDEC): A7 1 24 Vcc A6 2 23 A8 A5 3 22 A9 A4 4 21 Vpp A3 5 20 ~CE/~PGM A2 6 19 A10 A1 7 18 A11 A0 8 17 D7 D0 9 16 D6 D1 10 15 D5 D0 11 14 D4 GND 12 13 D3 -- Pete Peter Turnbull Dept. of Computer Science University of York