Open Bench Logic Sniffer schematic and partlist
From DP
Contents |
v1.01
The first production Logic Sniffer hardware
Schematic
Click for a full size version.
Circuit board
Click for a full size version.
Partlist
| Part | Quantity | Value | Package |
|---|---|---|---|
| C1-C3 | 3 | 1.0uF | 0805 |
| C4,C27 | 2 | 10uF | SMC_A |
| C5,C6 | 2 | 27pF | 0805 |
| C7-C26 | 20 | 0.1uF | 0603 |
| IC1 | 1 | PIC18F24J50 | SO-28W |
| IC2 | 1 | AT45DB041D | SO-08W |
| IC3 | 1 | XC3S250E-VQ100 | VQ100 |
| IC4 | 1 | M74LCX16245DTR2G | TSSOP48 |
| J1 | 1 | MINIB-USB | SMD |
| LEDs | 4 | LED | 0805 |
| Q1 | 1 | 20Mhz | HC49UP |
| Q2 | 1 | 50MHz | OSC1 |
| R1 | 1 | 300R | 0805 |
| R2 | 1 | 1K8 | 0805 |
| R3,R4 | 2 | 10K | 0805 |
| R5,R6 | 2 | 4K7 | 0805 |
| R7-R9 | 3 | 1K1 | 0805 |
| S1,S2 | 2 | DTSM-6 tact switch | DTSM-6 |
| VR1 | 1 | MIC5205-3v3 | SOT23-5 |
| VR2 | 1 | MIC5205-2v5 | SOT23-5 |
| VR3 | 1 | MIC5205-1v2 (MCP1801T-1202) | SOT23-5 |
| JP7,JP8 | 2 | 0.1" pin header, rt angle | 1X09 |
The latest sources and distributors are in the master partlist. See something missing? Please let us know.
v1.04
A minor update with a few changes for better production and easier sourcing.
Schematic
Click for a full size version.
Circuit board
Partlist
| Part | Quantity | Value | Package |
|---|---|---|---|
| C1-C3 | 3 | 1.0uF | 0805 |
| C4,C27 | 2 | 10uF | SMC_A |
| C5,C6 | 2 | 27pF | 0805 |
| C7-C26 | 20 | 0.1uF | 0603 |
| IC3 | 1 | XC3S250E-VQ100 | VQ100 |
| IC4 | 1 | M74LCX16245DTR2G | TSSOP48 |
| J1 | 1 | MINIB-USB | SMD |
| LEDs | 4 | LED | 0805 |
| Q1 | 1 | 20Mhz | HC49UP |
| Q2 | 1 | 50MHz | OSC1 |
| R1 | 1 | 300R | 0805 |
| R2 | 1 | 1K8 | 0805 |
| R3,R4 | 2 | 10K | 0805 |
| R5,R6 | 2 | 4K7 | 0805 |
| R7-R9 | 3 | 1K1 | 0805 |
| S1,S2 | 2 | DTSM-6 tact switch | DTSM-6 |
| VR1 | 1 | MIC5205-3v3 | SOT23-5 |
| VR2 | 1 | MIC5205-2v5 | SOT23-5 |
| VR3 | 1 | MIC5205-1v2 (MCP1801T-1202) | SOT23-5 |
| JP7,JP8 | 2 | 0.1" pin header, rt angle | 1X09 |
| Changed and added parts in v1.03+ | |||
| IC1 | 1 | PIC18F24J50 | SSOP-28 |
| IC2 | 1 | Winbond 2Mbit or 4Mbit flash | SO-08W |
| BUTTONS | 2 | SMD push button | |
| L1 | 1 | 800mA+ ferrite bead | 0805 |
| C28 | 1 | 0.1uF capacitor | 0603 |
The latest sources and distributors are in the master partlist. See something missing? Please let us know.