| U1 | 74LS04 | Hex Inverter |
|---|
| U2 | 74LS574 | 8-bit Register, 3-state outputs |
|---|
| U3 | 74LS02 | quad 2-input NOR gate |
|---|
| U5 | 74LS00 | quad 2-input NAND gate |
|---|
| BC1 | BusConnector | PCI Express bus connector |
|---|
| B_IN0,B_IN1,B_OUT0 | 74LS245 | Octal BUS Transceivers, 3-State outputs |
|---|
| C1-C4,C6-C9,C11,C12,C17 | C | Unpolarized capacitor |
|---|
| CarryO1,PWR1,SignO1,ZerroIn1,ZerroO1,~{CarrIn}1,~{CLK}1,~{ENBL}1,~{L_FR}1,~{OUT_FR}1,~{SignIn}1,~{UPD_FR}1 | TestPoint | test point |
|---|
| R2 | R | Resistor |
|---|
| STEP1 | 74LS161 | Synchronous 4-bit programmable binary Counter |
|---|
| TABLE7,TABLE8 | 28C256 | Paged Parallel EEPROM 256Kb (32K x 8), DIP-28/SOIC-28 |
|---|
