SN74ALS259D

Series:	74ALS
Packaging:	Tube
Part Status:	Active
Logic Type:	D-Type, Addressable
Circuit:	1:8
Output Type:	Standard
Voltage - Supply:	4.5 V ~ 5.5 V
Independent Circuits:	1
Delay Time - Propagation:	2ns
Current - Output High, Low:	400µA, 8mA
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	74ALS259

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

SN74ALS259D is a member of the Texas Instrument’s logic family of integrated circuits (IC). It is part of the “advanced low-power Schottky” family of devices and provides improved performance versus the earlier SN54 family of devices. SN74ALS259D belongs to the group of logic-latches and is a versatile device that can be used in a wide range of applications. It features four separate latches, each capable of storing a single bit of data. The latches can be clocked, preset, cleared, and output enable toggeld.

Application Field and Working Principle

SN74ALS259D is a multi-function register with two control signals (CP and CE) for latching four-bit parallel data. It is mainly used for digital signal data registration and address setting of integrated circuit in digital systems, and also suitable for temporary storage of data in PCM systems. SN74ALS259D has a wide application range, such as memory address register and data register of microcomputer, switch, decoder and industrial control in instrumentation. It is especially suitable for equipment with high performance, low power consumption and medium frequency signal.The data stored in the input of the register is stored in the register with the rise of the clock pulse, and the data at the output is latched at the same time. Before the rising edge of the clock pulse, the state of the preset and clear inputs can determine whether the targeted data is preset or cleared. The SN74ALS259D has an enable toggle switch which allows data stored in the register to be output or not output.

Conclusion

In conclusion, SN74ALS259D is a four-bit static CMOS latch with a clock input, clear and preset input, and a toggle output enable switch. It is widely used in areas such as memory address registers and data registers of microcomputers, and digital system. It is a great choice for equipment that requires high performance and low power consumption.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description