BNUY-ROM
smaldragon
A famicom discrete logic mapper
Components (13)
| Reference | Value | Description |
|---|---|---|
| U1 | AM29F160 | 4-Mbit (512k x 8-bit / 256k x 16-bit) CMOS 5.0 Volt-only Boot Sector Flash Memory, TSOP-48 |
| U2,U5 | 74HC139 | |
| U3 | 74HC273 | 8-bit D Flip-Flop, reset |
| U4 | 74HC4520 | Dual Binary Up-Counter |
| U7 | 74HC670 | |
| U9,U10 | IS62C256AL | 32Kx8 bit Low Power CMOS Static RAM, 25/45ns |
| U13 | 74HC40103 | 8-Stage Synchronous Down Counter |
| C1 | 1nF | |
| C3-C11 | C_Small | |
| D1 | 1N4148 | |
| H1 | Famicom_Cartridge_Edge | |
| R1 | 4.7K | |
| RN1,RN2 | R_Pack04 | 4 resistor network, parallel topology |