Further, this website
https://www.mikesarcade.com/cgi-bin/...ge=PromRef.txt
An excerpt from which is here:
Code:
512*4
+------+
A6 |1 16| Vcc
A5 |2 15| A7
A4 |3 14| A8
A3 |4 13| CE/
A0 |5 12| O1
A1 |6 11| O2
A2 |7 10| O3
GND|8 9| O4
+------+
Signetics MMI TI Harris Raytheon AMD National Intel
--------- --- -- ------ -------- --- -------- -----
TS 82S131 (50ns) 6306-1 - 7621-5 29611 27S13 74S571 3622
82S131A(30ns) 63S241 - 7621A - 27S13A 74S571A 3622A
OC 82S130 (50ns) 6305-1 - 7620-5 29610 27S12 74S570 3602
82S130A(33ns) 63S240 - 7620A-5 - 27S12A 74S570A 3602A
..Suggests that the Philips / Signetics 82S131 and the AMD 27S13 are drop-in equivalents for the National Semiconductor DM74S571. My programmer can program all three of these types.