The CD4043 is quad cross-couple 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.
Features:-
- Four Independent Cross-Couple 3-state CMOS NOR Latches
- Separate Set and Reset Inputs for each Latch
- 3-state Output
- Operating Temperature to 85°C
- Low Power CMOS
Specifications:-
| Parameter | Specification |
| 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 |
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