74HC259N,652

Latches Overview

The 74HC259N,652 is an 8-bit addressable latch manufactured by NXP Semiconductors in a DIP16 package. It operates within a supply voltage range of 2.0 V to 6.0 V and supports ambient temperatures from -40 °C to +125 °C. Propagation delay (D to Qn) ranges from 37 ns to 56 ns at 4.5 V. The device features active HIGH outputs, an active LOW enable input, and an active LOW common reset. Static characteristics include a maximum supply current of 8 µA at 25 °C and 160 µA at extreme temperatures.

Latches Feature Summary

• Combines demultiplexer and 8-bit latch functionality with serial-to-parallel capability
• Supports random addressable data entry into eight independent storage bits
• Incorporates ESD protection exceeding 2000 V (HBM), 200 V (MM), and 1000 V (CDM)
• Pin compatible with Low-power Schottky TTL (LSTTL)

Latches Applications

• General-purpose digital system storage applications
• Demultiplexing and 3-to-8 active HIGH decoding
• Memory mode data retention circuits

Latches Procurement Notes

Verify the specific ordering suffix '652' against the manufacturer's official documentation to confirm the exact package type and temperature grade. Ensure compatibility with LSTTL logic levels if interfacing with legacy systems. Confirm that the DIP16 package meets your board layout requirements and thermal dissipation needs for the intended operating environment.

Latches Selection Notes

Select this component when an 8-bit addressable latch or demultiplexer is required in a CMOS design. It is suitable for applications needing random data entry into specific latches without affecting others. Consider the HC series for broader voltage flexibility (2V-6V) compared to HCT variants which are restricted to 4.5V-5.5V.

Latches Part Context

This part belongs to the 74HC/HCT259 family of high-speed Si-gate CMOS devices. These components are specified in compliance with JEDEC standard no. 7-A. The family includes various package options such as SO16, SSOP16, TSSOP16, and DHVQFN16, all maintaining pin and function compatibility with the original 74 series 259.

Latches Replacement Considerations

Compatible substitutes include the 74HCT259N for TTL-compatible inputs. Other manufacturers produce equivalent parts such as the SN74HC259N (Texas Instruments) and M74HC259 (STMicroelectronics). Verify pinout and electrical specifications before substitution.