Open Bench Logic Sniffer schematic and partlist

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Contents

v1.01

The first production Logic Sniffer hardware

Schematic

Cct-med.png

Click for a full size version.

Circuit board

Brd-large.png

Click for a full size version.

Partlist

Part Quantity ValuePackage
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

Sch-LogicSniffer-v1rev-final.png

Click for a full size version.

Circuit board

LogicSniffer-v1rev-final-brd.png

Partlist

Part Quantity ValuePackage
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.