CD4043 IC Quad NOR R/S Latch with 3-State Outputs

Description

CD4043 IC Quad NOR R/S Latch with 3-State Outputs The CD4043 IC is a CMOS quad cross-coupled NOR R/S latch with 3-state outputs. It contains four independently controlled latches, each providing separate SET and RESET inputs along with a dedicated Q output. A common ENABLE input allows simultaneous control of all latch outputs, supporting direct bus interface without the need for additional components. Features: Wide supply voltage range: 3V to 15V Low power: 100 nW (typ.) High noise immunity: 0.45 VDD (typ.) Separate SET and RESET inputs for each latch NOR and NAND configuration 3-STATE output with common output enable Specifications: Supply Voltage: 3 ~ 15V Supply Current: 40 nA Product Category: Latches Number of Circuits: 1 Circuit Type: S-R Type Number of Channels: 4 Channels Number of Input Lines: 8 Line Output Type: 3-State Product Type: Latches Reset Type: No Reset Polarity: Non-Inverting Quiescent Current: 20 uA Number of Output Lines: 4 Line High Level Output Current: -4.2 mA Low Level Output Current: 32 mA Propagation Delay Time: 300 ns at 5V, 140 ns at 10V, 100 ns at 15V Logic Type: CMOS Quad NOR S/R Latch with 3-State Output Minimum Operating Temperature: -55 ~ +125°C Mounting Style: Through Hole Package/Case: PDIP-16 CD4043 Pinout Pin No Pin Name Description 1 Q4 output of latch 4 2 Q1 output of latch 1 3 R1 reset input latch 1 4 S1 set input latch 1 5 ENB enable pin 6 S2 set input latch 2 7 R2 reset input latch 2 8 VSS source supply 9 Q2 output of latch 2 10 Q3 output of latch 3 11 R3 reset input latch 3 12 S3 set input latch 3 13 NC no connection 14 S4 set input latch 4 15 R4 reset input latch 4 16 VDD Drain supply Applications: Temporary data storage elements. Multiple bus storage systems. Strobed register designs. Four-bit independent latch circuits with enable control. General digital logic and timing applications. Datasheet: CD4043

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