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Revision as of 20:27, 27 July 2009
PROMREF V1.88
(original version V1.6 Jan 13,1999, by Al Kossow, available from http://www.spies.com/arcade/)
(special thanks to GURU for maintaining and expanding it for many years. http://guru.mameworld.info/)
(many infos and markings added thanks to Yasuhiro Ogawa)
-----------------------------------------------------------------------------------------------------
Quick equivalence table (most common)
ns Fujitsu Signet AMD MMI Nation TI Harr Farch Inter Rayth Intel Russian
32x8 OC (50) == 7111, 82S23, 27S18, 6330-1, 74S188, 18SA30, 7602-5, 5600
32x8 OC (25) == 82S23A
32x8 TS (50) == 7112(7051), 82S123, 27S19, 6331-1, 74S288, 18S030, 7603-5, 5610
32x8 TS (25) == 82S123A, 27S19A, 63S081, 74S288
256x4 OC (50) == 7113(7057), 82S126, 27S20, 6300-1, 74S387, 24SA10, 7610-5, 9341C, 5603, 29660, 3601, KR556RT4
256x4 OC (25) == 82S126a, 27S20a, 63S140, 7610A
256x4 TS (50) == 7114(7052), 82S129, 27S21, 6301-1, 74S287, 24S10, 7611-5, 93427, 5623, 29661, 3621, KR556RT11
256x4 TS (25) == 82S129A, 27S21A, 63S141, 7611A
512x4 OC (50) == 7115, 82S130, 27S12, 6305-1, 74S570, 7620-5, 93436, 5604 29610, 3602
512x4 OC (33) == 82S130A, 27S12A, 63S240, 74S570A, 7620A-5, 3602A
512x4 TS (50) == 7116(7053), 82S131, 27S13, 6306-1, 74S571, 7621-5, 93446, 5624, 29611, 3622
512x4 TS (30) == 82S131A, 27S13A, 63S241, 74S571A, 7621A, 3622A
256x8 OC == 7117
256x8 TS (100)== 82LS135, 74S471, 28L22
256x8 TS (45) == 7118, 82S135, 6309-1, 28S22, KR558RR1
1024x4 OC == 7121, 82S136 27S32, 74S572, 7642, KR556RT12
1024x4 TS (60) == 7122(7054), 82S137, 27S33, 6353-1, 74S573, 24S41, 7643-5, 93453, 29641, 3625, KR556RT13
1024x4 TS (45) == 82S137A, 63S441, 74S573A, 7643A
1024x4 TS (35) == 82S137B, 27S33A, 63S441A, 74S573B, 7643B
512x8 OC == 7123, 82s146, 27S28, 74S473, 7648
512x8 TS (60) == 7124, 82S147, 6349-1, 74S472, 28S42, 7649-5, 29621
512x8 TS (45) == 82S147A, 27S29, 6349-2, 74S472A, 7649A-5, 29621A
512x8 OC == 7125, 82S140, 7640, 3604, KR556RT5
512x8 TS == 7126, 82S141, 27S31, 6341-1, 74S474, 28S46, 7641-5, 9344, 29625, 3624, KR556RT17
2048x4 OC == 7127, 82S184, 27S184, 87S184, 7684
2048x4 TS (100)== 7128, 82S185, 7685-5, 93515, 29651 KR556RT14
2048x4 TS (50) == 82S185A, 27S185, 63S841, 87S185, 24S81, 7685A, 29651A
2048x4 TS (45) == 82S185B, 87S185A, 24S81-55
1024x8 OC == 7131, 82S180, 27s180, 6380, 87S180, 7680, 93450
1024x8 TS (70) == 7132, 82S181, 27S181, 6381-1, 28S86, 7681-5, 93451, 29631, 3628
1024x8 TS (55) == 82S181A, 6381-2, 87S181, 28S86-60, 7681A, 29631A
1024x8 TS (30) == 82S181C, 63S881, 87S181A
4096x4 OC == 27S40
4096x4 TS (45) == 7152, 82S195, 27S41, 63S1641, 87S195, 76165-5, 93513
4096x4 TS (35) == 82S195A, 27S41A, 63S1641A, 87S195A
4096x4 TS (25) == 82S195B
2048x8 OC == 7137, 82S190, 27S190, 87S190, 76160
2048x8 TS (80) == 7138, 82S191, 87S191, 28S166, 76161, 93511, 29681, 3636, KR556RT18
2048x8 TS (55) == 82S191A, 27S191, 63S1681, 87S191A, 28S166-55, 76161A, 29681A
2048x8 TS (35) == 82S191C, 27S191A
4096x8 TS (70) == 7142, 82S321, 76321-5, 29671, 3632
4096x8 TS (45) == 82HS321, 27S43, 63S3281, 87S321, 29671A
4096x8 TS (35) == 82HS321A, 27S43A, 63S3281A
4096x8 TS (30) == 82HS321B
8192x8 TS (55) == 7144, 82S641, 27S49, 76641-5, 93565
8192x8 TS (45) == 82S641A, 27S49A, 76641A-5, 93565A
8192x8 TS (35) == 82S641B
-----------------------------------------------------------------------------------------------------
Detailed pinout and markings
32*8
+--\/--+
O0 |1 16| Vcc
O1 |2 15| CS/
O2 |3 14| A4
O3 |4 13| A3
O4 |5 12| A2
O5 |6 11| A1
O6 |7 10| A0
GND|8 9| O7
+------+
MMI : 63LS080, 63LS081, 63S080, 63S081, 6330-1, 6331-1
AMD : Am27S08, Am27S09, Am27LS08, Am27LS09, Am27LS18, Am27LS19, Am27S18, Am27S19, Am27S18A, Am27S19A
NS : DM74S188, DM74S288, DM87S188, DM87S288, DM8577, DM8578
Harris : HM76LS03-5, HM7602-5, HM7603-5
Intersil : IM5600, IM5610
Mitsubishi: M54730
Fujitsu : MB7051, MB7056, MB7111E, MB7111H, MB7111L, MB7112E, MB7112E-W, MB7112H, MB7112L, MB7112L-W, MB7112Y
Oki : MSL8216, MSL8515
Signetics : N82S23, N82S123
TI : TBP18SA030, TBP18S030, TBP38L030-25, TBP38S030-25, TBP38SA030-25
NEC : uPB400C/D, uPB400C/D-1, uPB410C/D, uPB410C/D-1
256*4
+--\/--+
A6 |1 16| Vcc
A5 |2 15| A7
A4 |3 14| CS2/
A3 |4 13| CS1/
A0 |5 12| O0
A1 |6 11| O1
A2 |7 10| O2
GND|8 9| O3
+------+
MMI : 63LS140, 63LS141, 63PS140, 63PS141, 63S140, 63S141
AMD : Am27S10, Am27S11, Am27S20, Am27S21, Am27S20A, Am27S21A
NS : DM74S287, DM74S387, DM74S287A, DM74S387A
Harris : HM7610-5, HM7610A, HM7611-5, HM7611A
Intersil : IM5603, IM56S23, IM5603A, IM5623, IM5623A
Mitsubishi: M54700
Fujitsu : MB7052, MB7057, MB7113E, MB7113H, MB7113L, MB7114E, MB7114E-W, MB7114H, MB7114L, MB7114L-W
Oki : MBL8520A, MBL8521A
Signetics : N82S27, N82S126, N82S129
TI : SN74S287, SN74S387
NEC : uPB403D, uPB403C/D-1, uPB403C/D-2, uPB423C/D, uPB423C/D-1, uPB423C/D-2
FSC : 93417, 93427
512*4
+--\/--+
A6 |1 16| Vcc
A5 |2 15| A7
A4 |3 14| A8
A3 |4 13| CS/
A0 |5 12| O0
A1 |6 11| O1
A2 |7 10| O2
GND|8 9| O3
+------+
MMI : 63LS240, 63LS241, 63PS240, 63PS241, 63S240, 63S241, 6305-1, 6506-1
Intel : 3602, 3602A, 3602A-2, 3622, 3622A, 3622A-2
AMD : Am27S12, Am27S13, Am27S12A, Am27S13A
Raytheon : 29610, 29611, 29612, 29613
NS : DM74S570, DM74S571
Harris : HM7620-5, HM7620A-5, HM7621-5
Intersil : IM56S04, IM56S24, IM5604, IM5624
Fujitsu : MB7053, MB7058, MB7115E, MB7115H, MB7115L, MB7116E, MB7116E-W, MB7116H, MB7116L, MB7116L-W, MB7116Y
Motorola : MCM7620, MCM7621
Signetics : N82S130, N82S131
NEC : uPB412C/D-1
FSC : 93436, 93446
256*8
+--\/--+
A0 |1 20| Vcc
A1 |2 19| A7
A2 |3 18| A6
A3 |4 17| A5
A4 |5 16| CS1/
O0 |6 15| CS2/(latch (DM87S221/222 only))
O1 |7 14| O7
O2 |8 13| O6
O3 |9 12| O5
GND|10 11| O4
+------+
MMI : 63LS280, 63LS281, 63PS280, 63PS281, 63S280, 63S281, 6308-1, 6309-1
Raytheon : 29600, 29601
NS : DM74S470, DM74S471, DM87S221, DM87S222
Fujitsu : MB7117E, MB7117H, MB7117L, MB7118E, MB7118E-W, MB7118H, MB7118L, MB7118L-W, MB7118Y
TI : SN74S470, SN74S571, TBP38SA22-30, TBP38S22-18, TBP38S22-25, TBP38SA22-30
NEC : uPB421C/D, uPB421C/D-1
256*8
+--\/--+
A7 |1 24| Vcc
A6 |2 23| NC
A5 |3 22| NC
A4 |4 21| CS0/
A3 |5 20| CS1/
A2 |6 19| CS2
A1 |7 18| CS3
A0 |8 17| O7
O0 |9 16| O6
O1 |10 15| O5
O2 |11 14| O4
GND|12 13| O3
+------+
MMI : 6335-1, 6336-1
Harris : HM7628-5, HM7629-5
256*8
+--\/--+
A2 |1 24| NC
A1 |2 23| NC
A0 |3 22| NC
O0 |4 21| A3
O1 |5 20| A4
O2 |6 19| A5
O3 |7 18| A6
O4 |8 17| A7
O5 |9 16| Vcc
O6 |10 15| NC
O7 |11 14| CS0/
GND|12 13| CS1/
+------+
MMI : 63135-1
256*8 (latched)
+--\/--+
A3 |1 24| Vcc
A4 |2 23| A2
- |3 22| A1
A5 |4 21| A0
A6 |5 20| CE1/
A7 |6 19| CE2
O1 |7 18| STB
02 |8 17| O8
O3 |9 16| O7
O4 |10 15| O6
FE2|11 14| O5
GND|12 13| FE1
+------+
Signetics : 82S114
1024*4
+--\/--+
A6 |1 18| Vcc
A5 |2 17| A7
A4 |3 16| A8
A3 |4 15| A9
A0 |5 14| O0
A1 |6 13| O1
A2 |7 12| O2
CS1/|8 11| O3
GND|9 10| CS0/
+------+
MMI : 63LS440, 63LS441, 63PS440, 63PS441, 63S440, 63S441, 6352-1, 6353-1
Intel : 3605, 3605-2, 3625, 3625-2
AMD : Am27S32A, Am27S33A
NS : DM74S572, DM74S573
Harris : HM7642-5, HM7642P-5, HM7643-5, HM7643P-5
Hitachi : HN25044, HN25045
Intersil : IM56S06, IM56S26
Sharp : LH5606, LH5626
Mitsubishi: M54740A/S, M54741A/S
Fujitsu : MB7054, MB7059, MB7121E, MB7121H, MB7121L, MB7121N, MB7122E, MB7122E-W, MB7122H, MB7122L, MB7122L-W, MB7122N, MB7122Y
Motorola : MCM7642, MCM7643
Signetics : N82HS137, N82HS137A
TI : TBP24S41, TBP24SA41
NEC : uPB406C/D, uPB406C/D-E, uPB406C/D-1, uPB406C/D-2, uPB406C/D-3, uPB426C/D, uPB426C/D-E, uPB426C/D-1, uPB426C/D-2, uPB426C/D-3
FSC : 93415, 93452, 93453
512*8
+--\/--+
A0 |1 20| Vcc
A1 |2 19| A8
A2 |3 18| A7
A3 |4 17| A6
A4 |5 16| A5
O0 |6 15| CS/
O1 |7 14| O7
O2 |8 13| O6
O3 |9 12| O5
GND|10 11| O4
+------+
MMI : 63LS480, 63LS481, 63PS480, 63PS481, 63S480, 63S481, 6348-1, 6348-2, 6349-1, 6349-2
Raytheon : 29620, 29621, 29622, 29623
AMD : Am27S28A, Am27S29A
NS : DM74S472, DM74S473
Harris : HM7648-5, HM7649-5
Fujitsu : MB7123H, MB7123L, MB7123N, MB7124E, MB7124E-W, MB7124H, MB7124L, MB7124L-W, MB7124N, MB7124Y
Signetics : N82HS147, N82HS147A
NEC : uPB424C/D, uPB424C/D-1
512*8
+--\/--+
A7 |1 24| Vcc (open for 3604AL, 3604L-6)
A6 |2 23| A8
A5 |3 22| NC (Vcc for 3604AL, 3604L-6)
A4 |4 21| CS1/
A3 |5 20| CS2/
A2 |6 19| CS3
A1 |7 18| CS4
A0 |8 17| D7
D0 |9 16| D6
D1 |10 15| D5
D2 |11 14| D4
GND|12 13| D3
+------+
MMI : 63LS482, 63LS483, 63PS482, 63PS483, 6340-1, 6340-2, 6341-1, 6341-2
Raytheon : 29624, 29625, 29626, 29627
Intel : 3604, 3604-4, 3604A, 3604A-2, 3604AL, 3604L-6, 3624, 3624-4, 3624A, 3624A-2
AMD : Am27S30, Am27S30A, Am27S31, Am27S31A
NS : DM74S474, DM74S475, DM87S295, DM87S296
Harris : HM7640-5, HM7640A-5, HM7641-5, HM7641A-5
Intersil : IM5605C, IM5605CA, IM5625C, IM5625CA
Motorola : MCM7640, MCM7641
Signetics : N82S140, N82S141
TI : SN74S474, SN74S475
NEC : uPB405, uPB425-E, uPB425C/D, uPB425C/D-1, uPB425C/D-2, 93438, 93448
512*8 (latched)
+--\/--+
A3 |1 24| Vcc
A4 |2 23| A2
A5 |3 22| A1
A6 |4 21| A0
A7 |5 20| CE1/
A8 |6 19| CE2
O1 |7 18| STROBE
O2 |8 17| O8
O3 |9 16| O7
O4 |10 15| O6
FE2|11 14| O5
GND|12 13| FE1
+------+
Signetics : 82S115
2048*4
+--\/--+
A6 |1 18| Vcc
A5 |2 17| A7
A4 |3 16| A8
A3 |4 15| A9
A0 |5 14| O0
A1 |6 13| O1
A2 |7 12| O2
A10|8 11| O3
GND|9 10| CE/
+------+
MMI : 63LS840, 63LS841, 63PS840, 63PS841, 63S840, 63S841, 6388-1, 6389-1, 6389-2
Signetics : 82S185A, 82S185B
Raytheon : 29650, 29651, 29652, 29653
AMD : Am27S184, Am27S185, Am27LS184, Am27LS185, Am27S184A, Am27S185A
NS : DM87S184, DM87S185, DM87S185A, DM87S185B
Hitachi : HN25084, HN25084S, HN25085, HN25085S
Fujitsu : MB7127E, MB7127H, MB7128E, MB7128E-W, MB7128H, MB7128L, MB7128L-W, MB7128Y
Motorola : MCM7684, MCM7685
Signetics : N82HS185, N82S185, N82S185A
TI : TBP24S81, TBP24SA81
NEC : uPB427C/D
2048*4
+--\/--+
A7 |1 18| Vcc
A6 |2 17| A8
A5 |3 16| A9
A4 |4 15| A10
A3 |5 14| O0
A2 |6 13| O1
A1 |7 12| O2
A0 |8 11| O3
GND|9 10| CS/
+------+
Harris : HM7684-5, HM7684P-5, HM7685-5, HM7685P-5
2048*4
+--\/--+
A7 |1 20| Vcc
A6 |2 19| A8
A5 |3 18| A9
A4 |4 17| A10
A3 |5 16| O0
A2 |6 15| O1
A1 |7 14| O2
A0 |8 13| O3
CS0/|9 12| CS1/
GND|10 11| CS2/
+------+
Harris : HM7686-5, HM7686P-5, HM7687-5, HM7687P-5
Motorola : MCM7686
1024*8
+--\/--+
A0 |1 20| Vcc
A1 |2 19| A8
A2 |3 18| A7
A3 |4 17| A6
A4 |5 16| A5
O0 |6 15| A9
O1 |7 14| O7
O2 |8 13| O6
O3 |9 12| O5
GND|10 11| O4
+------+
Harris : HM7683-5
1024*8
+--\/--+
A6 |1 22| Vcc
A5 |2 21| A7
A4 |3 20| A8
A3 |4 19| A9
A2 |5 18| CS0/
A1 |6 17| CS1/
A0 |7 16| O7
O0 |8 15| O6
O1 |9 14| O5
O2 |10 13| O4
GND|11 12| O3
+------+
MMI : 6386-1, 6387-1
Fujitsu : MB7129E, MB7129H, MB7132E-W, MB7132L, MB7132L-W, MB7132Y
1024*8
+--\/--+
A7 |1 24| Vcc
A6 |2 23| A8
A5 |3 22| A9
A4 |4 21| CS0/
A3 |5 20| CS1/
A2 |6 19| CS2
A1 |7 18| CS3
A0 |8 17| O7
O0 |9 16| O6
O1 |10 15| O5
O2 |11 14| O4
GND|12 13| O3
+------+
MMI : 53C881, 53C881A, 63C881, 63C881A, 63LS880, 63LS881, 63PS880, 63PS881, 63S880, 63S881, 6380-1, 6380-2, 6381-1, 6381-2
Intel : 82HS181, 82S181, 3608, 3608-4, 3628, 3628-4, 3628A, 3628A-1, 3628A-3, 3628A-4
FSC : 93L450, 93L451, 93Z450, 93Z450A, 93Z451, 93Z451A
Raytheon : 29630, 29631, 29632, 29633
AMD : Am27S180A, Am27S181A
Cypress : CY7C282-30, CY7C282-45
NS : DM74S188A, DM74S288A, DM87S228, DM87S229, DM87S181A, DM87LS181
Harris : HM7680-5, HM7680P-5, HM7681-5, HM7681P-5
Hitachi : HN25088, HN25088S, HN25089, HN25089S
Intersil : IM5608, IM5618
Fujitsu : MB7132E, MB7132H
Motorola : MCM7680, MCM7680DC, MCM7681, MCM7681DC
Signetics : N82S180, N82S181, N82S181A, N82S181B, N82LS181
TI : TBP28S86, TBP28S86A
NEC : uPB428C/D, uPB428C/D-1
1024*8 (pin compatible to 2708)
+--\/--+
A7 |1 24| Vcc
A6 |2 23| A8
A5 |3 22| A9
A4 |4 21| NC
A3 |5 20| CS/
A2 |6 19| NC
A1 |7 18| NC
A0 |8 17| O7
O0 |9 16| O6
O1 |10 15| O5
O2 |11 14| O4
GND|12 13| O3
+------+
MMI : 6384-1, 6385-1
Harris : HM7608-5
Fujitsu : MB7055, MB7060, MB7153L, MB7154L
Motorola : MCM82707, MCM82708
Signetics : N82S2708
NEC : uPB417C/D
1024*8 (latched)
+--\/--+
A7 |1 24| Vcc
A6 |2 23| A8
A5 |3 22| A9
A4 |4 21| CE1/
A3 |5 20| CE2/
A2 |6 19| CE3
A1 |7 18| STROBE
A0 |8 17| O8
O1 |9 16| O7
O2 |10 15| O6
O3 |11 14| O5
GND|12 13| O4
+------+
Signetics : 82S183
FSC : 93L451
4096*4
+--\/--+
A6 |1 20| Vcc
A5 |2 19| A7
A4 |3 18| A8
A3 |4 17| A9
A2 |5 16| O0
A1 |6 15| O1
A0 |7 14| O2
A10|8 13| O3
CE2/|9 12| A11
GND|10 11| CE1/
+------+
Fujitsu : MB7133E, MB7133H, MB7134E, MB7134E-W, MB7134H, MB7134Y
4096*4
+--\/--+
A8 |1 20| Vcc
A7 |2 19| A9
A6 |3 18| A10
A5 |4 17| A11
A4 |5 16| CE1/
A3 |6 15| CE2/
A2 |7 14| O0
A1 |8 13| O1
A0 |9 12| O2
GND|10 11| O3
+------+
MMI : 63LS1640, 63LS1641, 63PS1640, 63PS1641, 63S1640, 63S1641, 63S1641A
AMD : Am27S40, Am27S41, Am27S40A, Am27S41A, Am27PS41A
NS : DM87S195A, DM87S195B
Fujitsu : MB7152E, MB7152E-W, MB7152H, MB7152Y
NEC : uPB430AC/D-25, uPB430AC/D-35, uPB431AC/D-25, uPB431AC/D-35
Signetics : 82S195, 82S195A, 82S195B
FSC : 93513
Harris : 76165-5
2048*8
+--\/--+
A0 |1 22| Vcc
A1 |2 21| A8
A2 |3 20| A7
A3 |4 19| A6
A4 |5 18| A5
O0 |6 17| A9
O1 |7 16| O7
O2 |8 15| O6
O3 |9 14| O5
A10|10 13| O4
GND|11 12| CE/
+------+
Fujitsu : MB7135E, MB7135H, MB7136E, MB7136E-W, MB7136H, MB7136Y
2048*8
+--\/--+
A7 |1 24| Vcc
A6 |2 23| A8
A5 |3 22| A9
A4 |4 21| A10
A3 |5 20| CE1/
A2 |6 19| CE2
A1 |7 18| CE3
A0 |8 17| O7
O0 |9 16| O6
O1 |10 15| O5
O2 |11 14| O4
GND|12 13| O3
+------+
MMI : 63LS1680, 63LS1681, 63PS1680, 63PS1681, 63S1680, 63S1681
Intel : 82HS191, 82S191, 3636, 3636-1, C3636B-1, C3636B-2
FSC : 93Z510, 93Z511
Raytheon : 29681AC, 29681C, 29683AC, 29683C
AMD : Am27S190, Am27S191, Am27PS191, Am27S190A, Am27S191A, Am27PS191A
Cypress : CY7C292A-25, CY7C292A-35, CY7C292A-45, CY7C292A-55, CYC292A-25, CYC292A-35, CYC292A-45, CYC292A-55
NS : DM87S190, DM87S191, DM87S190A, DM87S190B, DM87S191A, DM87S191B, DM87S290A, DM87S290B, DM87S291A, DM87S291B
Harris : HM76160-5, HM76161-5
Hitachi : HN25168S, HN25169S
Fujitsu : MB7137E, MB7137H, MB7138E, MB7138H
Signetics : N82HS191, N82S191, N82S191A, N82S191C
TI : TBP28S166, TBP28SA166, TBP28L166, TBP28S166A, TBP28S166-55, TBP38S165-25, TBP38S165-35, TBP38L165-35, TBP38L165-45
NEC : uPB429C/D-3, uPD409C/D, uPD409C/D-1, uPD409C/D-2, uPD429C/D, uPD429C/D-1, uPD429C/D-2
2048*8 (pin compatible to 2716)
+--\/--+
A7 |1 24| Vcc
A6 |2 23| A8
A5 |3 22| A9
A4 |4 21| NC
A3 |5 20| CE/
A2 |6 19| A10
A1 |7 18| NC
A0 |8 17| O7
O0 |9 16| O6
O1 |10 15| O5
O2 |11 14| O4
GND|12 13| O3
+------+
Harris : HM7616-5
NEC : uPB419C/D
4096*8
+--\/--+
A7 |1 24| Vcc
A6 |2 23| A8
A5 |3 22| A9
A4 |4 21| A10
A3 |5 20| CE1/
A2 |6 19| A11
A1 |7 18| CE2
A0 |8 17| O7
O0 |9 16| O6
O1 |10 15| O5
O2 |11 14| O4
GND|12 13| O3
+------+
MMI : 63S3281, 63S3281A
Intel : 82HS321, 82S321, 3632, 3632-1
AMD : Am27S43, Am27S43A
NS : DM87S321, DM87S321A, DM87S421, DM87S421A
Fujitsu : MB7141E, MB7141H, MB7141N, MB7142E, MB7142E-W, MB7142H, MB7142N
Signetics : N82S321, N82HS321, N82HS321A, N82HS321B
Harris : HM76321-5
Raytheon : 29671, 29671A
8192*8
+--\/--+
A7 |1 24| Vcc
A6 |2 23| A8
A5 |3 22| A9
A4 |4 21| A10
A3 |5 20| CE/
A2 |6 19| A11
A1 |7 18| A12
A0 |8 17| O7
O0 |9 16| O6
O1 |10 15| O5
O2 |11 14| O4
GND|12 13| O3
+------+
Signetics : 82HS641, 82HS641A, 82HS641B
AMD : Am27S49, Am27S49A
FSC : 93Z564, 93Z565, 93Z565A
Cypress : CY7C261-35PC/WC, CY7C261-40, CY7C261-45, CY7C261-55, CY7C261-65, CY7C263-35PC/WC, CY7C263-40, CY7C263-45, CY7C263-55, CY7C264-35PC/WC/DC, CY7C264-40, CY7C264-45, CY7C264-55,
Harris : HM76641-5, HM76641A-5
Fujitsu : MB7144E, MB7144E-W, MB7144H
Lattice : PR64K8-45, PR64K8-55, PR64K8-70,
-----------------------------------------------------------------------------------------------------
To be verified
Harris -- Signetics
7686 == 82s186
7687 == 82s187
