MC74AC259: 8-Bit Addressable Latch

The MC74AC259/74ACT259 is a high-speed 8-bit addressable latch designed for general purpose storage applications in digital systems. It is a multifunctional device capable of storing single line data in eight addressable latches, and also a 1-of-8 decoder and demultiplexer with active HIGH outputs. The device also incorporates an active LOW Common Clear for resetting all latches, as well as an active LOW Enable. It is functionally identical to the ALS259 8-bit addressable latch.

Features
  • Serial-to-Parallel Conversion
  • Eight Bits of Storage with Output of Each Bit Available
  • Random (Addressable) Data Entry
  • Active High Demultiplexing or Decoding Capability
  • Easily Expandable
  • Common Clear
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
8-Bit Addressable LatchMC74AC259/D (91kB)7
Package Drawings (1)
Document TitleDocument ID/SizeRevision
SOIC 16 LEAD751B-05 (38.2kB)K
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
MC74AC259DGActivePb-free Halide freeSOIC-16751B-051Tube48$0.7333
MC74AC259DR2GActivePb-free Halide freeSOIC-16751B-051Tape and Reel2500$0.7333
Specifications
ProductTypeChannelsVCC Min (V)VCC Max (V)tpd Max (ns)IO Max (mA)
MC74AC259DGLatch8261024
MC74AC259DR2GLatch8261024
8-Bit Addressable Latch (91kB) MC74ACT259
SOIC 16 LEAD MC14504B