1.1 --- a/ULA.txt Thu Oct 23 23:44:13 2014 +0200
1.2 +++ b/ULA.txt Fri Mar 06 01:13:10 2015 +0100
1.3 @@ -154,7 +154,8 @@
1.4 Unicorn Electronics appears to offer 4164 RAM chips (as well as 6502 series
1.5 CPUs such as the 6502, 6502A, 6502B and 65C02). These 4164 devices are
1.6 available in 100ns (4164-100), 120ns (4164-120) and 150ns (4164-150) variants,
1.7 -have 16 pins and address 65536 bits through a 1-bit wide channel.
1.8 +have 16 pins and address 65536 bits through a 1-bit wide channel. Similarly,
1.9 +ByteDelight.com sell 4164 devices primarily for the ZX Spectrum.
1.10
1.11 The documentation for the Electron mentions 4164-15 RAM chips for IC4-7, and
1.12 the Samsung-produced KM41464 series is apparently equivalent to the Texas
1.13 @@ -197,6 +198,8 @@
1.14 http://www.datasheetarchive.com/dl/Datasheets-112/DSAP0051030.pdf
1.15 See: Dynamic RAMS
1.16 http://www.unicornelectronics.com/IC/DYNAMIC.html
1.17 +See: New old stock 8x 4164 chips
1.18 + http://www.bytedelight.com/?product=8x-4164-chips-new-old-stock
1.19 See: KM4164B 64K x 1 Bit Dynamic RAM with Page Mode
1.20 http://images.ihscontent.net/vipimages/VipMasterIC/IC/SAMS/SAMSD020/SAMSD020-45.pdf
1.21 See: NTE2164 Integrated Circuit 65,536 X 1 Bit Dynamic Random Access Memory