74ACT16841DLR

Latches Overview

The SN74ACT16841DLR is a 20-bit bus-interface D-type latch with 3-state outputs manufactured using Texas Instruments' EPIC process. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range from -40°C to 85°C. The device features two independent 10-bit latches, each equipped with buffered output-enable (OE) and latch-enable (LE) inputs. Outputs are designed to drive highly capacitive or low-impedance loads directly. Key electrical characteristics include high-level output current of -24 mA and low-level output current of 24 mA at 5 V. Propagation delays from data input to output range from 3.2 ns to 11.8 ns.

Latches Feature Summary

• Configurable as either one 20-bit latch or two separate 10-bit latches for flexible bus architecture implementation
• Buffered output-enable inputs allow outputs to be placed in a high-impedance state without affecting internal latch operation
• Transparent D-type latch design where outputs follow data inputs while the latch-enable signal is active
• Distributed VCC and GND pin configuration minimizes high-speed switching noise

Latches Applications

• Implementing buffer registers for wide address or data paths
• Providing I/O ports and bidirectional bus drivers
• Acting as working registers in microprocessor systems
• Managing buses with parity requirements

Latches Procurement Notes

Verify that the specific orderable part number matches the required package type and lead finish specifications. Confirm the device status is listed as Active for new designs. Ensure the selected component meets the required RoHS compliance standards and moisture sensitivity level ratings for your assembly process. Cross-reference the manufacturer's latest documentation for any updates to packaging or environmental classifications.

Latches Selection Notes

Select this component when a 5 V logic family interface is required for driving heavy capacitive loads on system buses. The dual 10-bit latch structure allows for modular expansion of parallel data paths. Consider the flow-through architecture if optimizing printed circuit board layout space is a priority. Verify that the TTL-voltage compatible inputs align with the driving source logic levels.

Latches Part Context

This device belongs to the Widebus family of logic integrated circuits, which provides increased I/O pin counts within standard small-outline packages. It utilizes the EPIC (Enhanced-Performance Implanted CMOS) process technology to deliver high-speed performance. The DL package variant offers twice the functionality of standard packages in the same footprint, facilitating denser circuit designs.

Latches Replacement Considerations

The SN74ACT16841DLG4 is a direct replacement offering identical electrical and functional specifications with Green (RoHS & no Sb/Br) compliance.