1Mx4 DRAM 20-pin dips

[Keith M]

I'm searching for a source of a DRAM memory IC that would have the 
following specs:

20-pin DIP DRAM memory chips

(16) 1meg x 4-bit dips make up a bank of 8mb.
Should be 60-ns
Fast Page Mode
non-parity

An example would be Toshiba TC514400AP-60.

Other manufacturers might use the following base part numbers:

Fujitsu MB : 814400
Goldstar GM : 71C4400
Hitachi HM : 514400
Hyundai HY : 514400
Micron MT : 4C4001
Mitsubishi M5M: 44400

Any idea where I could find these would be appreciated.

I'm even up to pulling the DRAM from some old boards, if I can find 
someplace that has boards that contain these chips.  Maybe an old 
printer buffer memory card or something.  Certain Epson ActionLaser 
printers contained the correct chips.

There's some surface mount versions that won't work, and there's also a 
26/20-pin version that won't work.  These incorrect dips would have 
20-pins, but are laid out in a 26-pin configuration with 10 pins on each 
side, separated by a small (3-pin) gap on either side.  These seem 
popular, but unfortunately, they won't work!

Thanks!

Keith