DM74AS874NT

$2.30

Description：IC FF D-TYPE DUAL 4BIT 24DIP
Series：74AS
Mfr：onsemi
Package：Tube

SKU:597241e38d6e Category: Flip Flops Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC FF D-TYPE DUAL 4BIT 24DIP
Series：74AS
Mfr：onsemi
Package：Tube
Function：Master Reset
Type：D-Type
Output Type：Tri-State, Non-Inverted
Number of Elements：2
Number of Bits per Element：4
Clock Frequency：80 MHz
Max Propagation Delay @ V, Max CL：10.5ns @ 5V, 50pF
Trigger Type：Positive Edge
Current - Output High, Low：15mA, 48mA
Voltage - Supply：4.5V ~ 5.5V
Current - Quiescent (Iq)：133 mA
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Supplier Device Package：24-PDIP
Package / Case：24-DIP (0.300", 7.62mm)
Input Capacitance：-
Grade：-
Qualification：-

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DM74AS874NT

Overview

The DM74AS874NT is a dual, four-bit D-type flip-flop belonging to the onsemi 74AS logic series. It features positive-edge triggering and includes a master reset function. The device provides non-inverting tri-state outputs, suitable for bus-oriented systems. It operates within a supply voltage range of 4.5V to 5.5V and supports a maximum clock frequency of 80 MHz. The component exhibits a maximum propagation delay of 10.5ns at 5V with 50pF load. It is housed in a 24-PDIP package and functions reliably across an operating temperature range of 0°C to 70°C.

Feature Summary

Dual four-bit D-type flip-flops with positive-edge triggering
Non-inverting tri-state outputs for efficient bus management
Integrated master reset functionality for system control
High-speed performance with 80 MHz clock capability

Applications

Parallel data storage registers
Shift register configurations
Counters and timing circuits
Bus-oriented memory systems

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm RoHS compliance documentation availability. Check for moisture sensitivity level (MSL) handling requirements during storage. Ensure replacement strategies account for long-term supply constraints. Validate technical specifications against original datasheet before integration.

Selection Notes

Select this component for applications requiring high-speed D-type storage with tri-state output control. Consider the 74AS series speed advantages over standard TTL variants. Evaluate power consumption characteristics given the bipolar technology. Assess package compatibility with existing PCB layouts. Review thermal performance within the specified industrial temperature range.

Part Context

The DM74AS874NT belongs to the 74AS family, known for advanced Schottky transistor technology offering improved speed-power tradeoffs. This specific part number represents a dual four-bit configuration within the broader logic IC portfolio. It serves as a specialized solution for digital systems requiring reliable data latching and high-frequency operation capabilities.