Saleae Logic8
		
		
		
		
		
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| 
 | |
| Status | unsupported | 
|---|---|
| Source code | N/A | 
| Channels | 8 | 
| Samplerate | 100/50/40/25 | 
| Samplerate (state) | — | 
| Triggers | none (SW-only) | 
| Min/max voltage | 1.8V — 5.5V | 
| Compression | yes | 
| Website | saleae.com | 
The Saleae Logic8 is a USB-based, 8-channel logic analyzer with 100/50/40/20MS sampling rate (at 3/6/7/8 enabled channels).
The case requires a Torx T7 screwdriver to open.
This page is to help provide hardware details in the interest of getting this device supported.
Hardware
These are provisional guesses, please correct if you spot errors, they are surely there.
- FPGA: XILINIX Spartan-6 XC6SLX9 CSG225BIV1425 Spartan-6 Family Overview
 - USB interface chip: Cypress CY7C66013A-56LTXC datasheet
 - TI SN74LVC245A 5.5V tolerant octal bus transceiver
 - acquisition signal processing: 6x Analog Devices ADA4891-4 quad amplifier
 - ADC: Hittite Microwave HMCAD1100 (datasheet)
 - unknown function: MNAB / F26A
 - this list not yet complete (EPROM? Voltage regulation?)
 
Teardown Images
lsusb output
Bus 001 Device 007: ID 21a9:1004  
Device Descriptor:
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      (Bus Powered)
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    Interface Descriptor:
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      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
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      iInterface              0 
    Interface Descriptor:
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      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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    Interface Descriptor:
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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        bEndpointAddress     0x04  EP 4 OUT
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          Transfer Type            Bulk
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          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
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      Endpoint Descriptor:
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          Transfer Type            Interrupt
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      Endpoint Descriptor:
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    Interface Descriptor:
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      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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      Endpoint Descriptor:
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Device Qualifier (for other device speed):
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  bDeviceClass          255 Vendor Specific Class
  bDeviceSubClass       255 Vendor Specific Subclass
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Device Status:     0x0000
  (Bus Powered)