FUJITSU
| n.n. | Model | Package | Additional description |
| 1 | MBL8042H | PDIP-40 | JAPAN; MBL8042H; 335; 9104 Z41; 12099; © FUJITSU'82; © INTEL'77; © QUADTEL'89 |
| 2 | MBL8742H | CDIP-40 with window | JAPAN, MBL8742H; 8913 E13; © FUJITSU'82; © INTEL'82 |
| 3 | MBL8742H | SBCDIP-40 with window | JAPAN, MBL8742H; 8647 E94; © FUJITSU'82; © INTEL'82 |
| 4 | MBL8742N | SBCDIP-40 with window | JAPAN, MBL8742N; 8604 E53; © FUJITSU'82; © INTEL'82 |
| 5 | MB8851H | PDIP-42 | JAPAN, 1051M; 8907 Z25 |
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| 1 | MBL8042H | 2 | MBL8742H | 3 | MBL8742H | |||||
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| 4 | MBL8742N | 5 | MB8851H | ||||||
| Frequency: Data bus: ROM (mask): RAM static (data) |
4 MHz 4 Bit 2K x 8-bit 128 x 4-bit |
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