HomedatasheetCD74ACT138ME4

CD74ACT138ME4 Datasheet

Encoders, Decoders, Multiplexers & Demultiplexers
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Description

The CD74ACT138ME4/ CD74ACT138 decoders/demultiplexers are designed for high-performance memory-decoding and data-routing applications that require very short propagation-delay times. In high-performance memory systems, these decoders can be used to minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, the delay times of these decoders and the enable time of the memory usually are less than the typical access time of the memory. This means that the effective system delay introduced by the decoders is negligible. The conditions at the binary-select inputs and the three enable inputs select one of eight output lines. Two active-low and one active-high enable inputs reduce the need for external gates or inverters when expanding. CD74ACT138ME4 decoder can be implemented without external inverters, and a 32-line decoder requires only one inverter. CD74ACT138ME4 Features • Inputs Are TTL-Voltage Compatible• Speed of Bipolar F, AS, and S, With Significantly Reduced Power Consumption• Designed Specifically for High-Speed Memory Decoders and Data-Transmission Systems• Incorporate Three Enable Inputs to Simplify Cascading and/or Data Reception• Balanced Propagation Delays• ±24-mA Output Drive Current – Fanout to 15 F Devices• SCR-Latchup-Resistant CMOS Process and Circuit Design• Exceeds 2-kV ESD Protection Per MIL-STD-883, Method 3015
Features

Parameters

[{"Name":"Number of Bits:","Value":"24 to 32"},{"Name":" Number of Lines (Input / Output):","Value":"3 / 8"},{"Name":"Supply Voltage - Max:","Value":"5.5 V"},{"Name":" Supply Voltage - Min:","Value":"4.5 V"},{"Name":"Maximum Operating Temperature:","Value":"+ 125 C"},{"Name":"Minimum Operating Temperature:","Value":"- 55 C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

SEIKO INSTRUMENTS

Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.


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