BNUY-ROM
smaldragon
A famicom discrete logic mapper
Components (17)
| Reference | Value | Description |
|---|---|---|
| U1 | SST39SF040 | Silicon Storage Technology (SSF) 512k x 8 Flash ROM |
| U2 | 62256/628128 | 128K-word x 8-bit High-Speed CMOS Static RAM, 55/70ns, 5V supply, DIP-32/SOP-32 |
| U3,U9 | 74HC139 | |
| U4 | 74HC174 | Hex D-type Flip-Flop, reset |
| U5 | 74HC4520 | Dual Binary Up-Counter |
| U6,U7 | 74HC191 | 4-bit Synchronous Up/Down binary Counter |
| U8 | 74HC670 | |
| U10 | 62256 | 256K (32K x 8) Static RAM, 70ns, DIP-28 |
| C1-C8,C10,C11 | C | Unpolarized capacitor |
| C9 | C_Polarized | Polarized capacitor |
| C12,C13 | 1nF | Unpolarized capacitor |
| D1 | 1N4148 | DO-35 Diode, Small Signal, Fast Switching, 75V, 150mA, 4ns, Alternate KiCad Library |
| J1 | Famicom Cartridge Connector | |
| JP1 | SolderJumper_3_Open | Solder Jumper, 3-pole, open |
| JP2-JP5 | SolderJumper_2_Open | Solder Jumper, 2-pole, open |
| R1 | 4.7KΩ | Resistor |
| RN1 | R_Network04 | 4 resistor network, star topology, bussed resistors, small symbol |