器件名称:
74LV259PW
功能描述:
8-bit addressable latch
文件大小:
126.82KB 共14页
简 介:
INTEGRATED CIRCUITS 74LV259 8-bit addressable latch Product specification Supersedes data of 1997 Jun 06 IC24 Data Handbook 1998 May 20 Philips Semiconductors Philips Semiconductors Product specification 8-bit addressable latch 74LV259 FEATURES Optimized for low voltage applications: 1.0 to 3.6 V Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V, Typical VOHV (output VOH undershoot) > 2 V at VCC = 3.3 V, Combines demultiplexer and 8-bit latch Serial-to-parallel capability Output from each storage bit available Random (addressable) data entry Easily expandable Common reset input Useful as a 3-to-8 active HIGH decoder Output capability: standard ICC category: MSI Tamb = 25°C Tamb = 25°C DESCRIPTION The 74LV259 is a low-voltage CMOS device and is pin and function compatible with 74HC/HCT259. The 74LV259 is a high-speed 8-bit addressable latch designed for general purpose storage applications in digital systems. The 74LV259 is a multifunction device capable of storing single-line data in eight addressable latches, and also 3-to-8 decoder and demultiplexer, with active HIGH outputs (Q0 to Q7), functions are available. The 74LV259 also incorporate an active LOW common reset (MR) for resetting all latches, as well as an active LOW enable input (LE). The 74LV259 has four modes of operation as shown in the mode select table. In the addressable latch mode, data on the data line (D) is written i……
