Below a free most used masks in memories.

95640 = 564WQ - ST K435 = Microsoic 0.65


24U16 = 24C16 
24U09 = 24C08 
S130 = 93C46 = AD0970 
S220 = S221 = 93C56 
SL220 = 93c56 
S330 = 93C66 = B58608 
S200 = 24C02 
B58258 = 24C02 
42926 = 95020 
pcf8582 = 24C02 
M851G OKI = 93C46 
16811G OKI = 93C46 
93C06 = 93C46 
68558 B = 25020 
AD YAZAKI = 93C46 
SL220 = 93C56 
L56R = 93C56 
LR56 = 93C56 
RL76 = 93C76 
RL66 = 93C66 
A57 = 93C56 
5020A = 25020 
X5045 = 25020 
5p08 = 25c080 
B22AN = 93C06 
B34AB = 24C02 
B42AB = 93C06 
B43AB = 24C02 
B46AJ = 24C02 
B49AJ = 24C02 
B52AP = 24C02 
B54AH = 24C02 
B81AB = 93S66 
B58097 = 93C46 
B58383 = 24C02 
B58293 = 24C02 
B58252 = 24C02 
B58253 = 24C02 
B58256 = 24C01 
B58258 = 24C02 
B58323 = 93C46 
B58813 = 93C56
25LC320 - 25C320 = 95320 

A21SC = S200 = 24C02 
LC56 = 93C56 = L56R
RA57 RL46 RL56 RA56 RA57 = = = = = 93c56 93c46 93c56 93c56 93c56 ST9026 = 95020 = 25020 
Seiko Instruments: S-29130 = S130 = 93c46 S-29131 = S131 = 93c46 S-29220 = S220 = 93c56 
S-29221 = S221 = 93c56 S-29230 = S230 = 93c56 S-29231 = S231 = 93c56 S-29330 = S330 = 93C66 
S-29430 = S430 = 93C76 S-29530 = S530 = 93C86 ra66 = 93c66 
(Realtek) L64 = 24C64 
Grundig GRO-001 GRN-001 GRN-002 GRS-003 GRX-003 GRN-004 GRN-008 GRX-006 GRX-007 = = = = = = = = = Visteon 77002 = 77011MC 
77017MC 77014 = 24C16 = 93C46 = 93C46 95040 = 25040 93C46 93C46 93C46 24C02 24C02 24C04 24C04 24C04 24C04 
Delco 9355092 = 24C04 9355093 = 24C08 9375365 = 24C16 B58252 = 24C02 B58253 = 24C02 B58256 = 24C01 B58258 = 24C02 B58323 = 93C46 
58379 = 24C16 B58380 = 24C02 B58608 = 93C66 B58196 = 93C46 9355092 = 24C04 9355093 = 24C08 9375365 = 24C16 .

77011MC = 93C46 77017MC = 93C46 A21SC = 24C02 A51SC = 24C16 .