Logic - Latches
Logic - Latches: Essential Components for Digital Circuit Design
Definition:
Logic Latches are fundamental digital integrated circuits (ICs) designed to store and maintain a binary state (0 or 1) in electronic systems. As a subcategory of Logic under Integrated Circuits (ICs), latches serve as basic memory elements, capturing and holding data until explicitly changed. They are widely used in sequential logic circuits, enabling temporary data retention for synchronization, control, and state management in complex systems.
Types of Logic Latches:
1. SR Latches (Set-Reset): The simplest type, using two inputs (Set and Reset) to control the output state.
2. D Latches (Data): Features a single data input (D) and a control signal (Enable) to capture and hold the input value.
3. Transparent Latches: Outputs follow inputs while enabled, "latching" the value when disabled.
4. Gated Latches: Include an additional enable gate for synchronized operation in clocked systems.
Purchasing Recommendations:
- Application Alignment: Choose SR latches for basic control circuits, D latches for data storage, and gated variants for clock-dependent designs.
- Performance Metrics: Prioritize propagation delay, power consumption, and voltage compatibility (e.g., 3.3V vs. 5V) based on system requirements.
- Packaging: Select surface-mount (SMD) or through-hole packages (DIP) per assembly constraints.
- Reliability: Opt for industrial-grade latches for harsh environments and automotive/medical certifications (AEC-Q100, ISO 13485) if needed.
Ideal for registers, buffer storage, and real-time control, Logic Latches ensure robust digital system performance. Evaluate datasheets and supplier credibility to balance cost and functionality.
Filter and sort
Categories
CY74FCT16841CTPVC
IC 20BIT BUS-INT D LATCH 56SSOP
SN74AHC373DGVR
IC OCT TRANS D-TYP LATCH 20TVSOP
SN74AHC573PWRG4
IC LATCH TRANSP OCTAL D 20-TSSOP
74FCT163373APVG
IC TRANSP LATCH 16BIT 48-SSOP
SN74ALVCH373PWR
IC OCTAL LATCH TRI-ST 20-TSSOP
CD74HCT259M96
IC 8BIT ADDRESSABLE LATCH 16SOIC
CY74FCT16373CTPVCT
IC 16BIT TRANSP D LATCH 48SSOP
SN74LVTH573PW
IC ABT OCT TRANSP D LATCH20TSSOP
SN74AHCT373PW
IC LATCH TRANSP OCTAL D 20-TSSOP
74ALVC16373DT
D LATCH, 2-FUNC, 8-BIT
74ACT16841DL
IC 20-BIT D-TYPE LATCH 56-SSOP
SN74ACT533DWR
IC OCTAL D TRANSP LATCH 20-SOIC
74HC259BQ-Q100,115
IC LATCH 8BIT ADDRESS 16DHVQFN
74LVT16373MEA
BUS DRIVER, LVT SERIES
CD4044BE
IC QUAD NAND R/S LATCH 16-DIP
74LVTH573MSA
BUS DRIVER, LVT SERIES
MC74ACT573DWR2
IC BUFF DVR TRI-ST OCTAL 20SOIC
74HC259D,653
IC 8BIT ADDRESSABLE LATCH 16SOIC
SN74AC573PW
IC OCTAL D TRANSP LATCH 20-TSSOP
AM29843DC
BUS DRIVER, S SERIES, 9-BIT