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Product worked well for my Linux pc, no drivers needed, simple installation.
Quad NOR R-S Latch Tri-state IC - CD4043
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The CD4x Series CD4043 IC is quad cross-coupled 3-STATE CMOS NOR latches These latch has a separate Q output and individual SET and RESET inputs. There is a common 3-STATE ENABLE input for all four latches.
A logic “1” on the ENABLE input connects the latch states to the Q outputs. A logic “0” on the ENABLE input disconnects the latch states from the Q outputs resulting in an open circuit condition on the Q output. The 3-STATE feature allows common bussing of the outputs.

| Part number | CD4040B |
| Supply Voltage (VDD) | ?0.5V to +18V |
| Input Voltage (VIN) | ?0.5V to VDD +0.5V |
| Storage Temperature Range (TS) | ?65°C to +150°C |
| Power Dissipation (PD) Dual-In-Line | 700 mW |
| Lead Temperature (TL) | 260°C |