| 54F398 | National Semiconductor | Quad 2-Port Register [Life-time buy] |
| 54F398LMQB | National Semiconductor | Quad 2-Port Register [Life-time buy] |
| 54F398DMQB | National Semiconductor | Quad 2-Port Register [Life-time buy] |
| 54F399 | National Semiconductor | Quad 2-Port Register |
| 54F399LMQB | National Semiconductor | Quad 2-Port Register |
| 54F399DMQB | National Semiconductor | Quad 2-Port Register |
| JM38510/35002B2A | National Semiconductor | |
| JM38510/35002BEA | National Semiconductor | |
| JM38510/35002BFA | National Semiconductor | |
|