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SN74HCT139DRE4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74HCT139DRE4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 15 page SN54HCT139, SN74HCT139 DUAL 2LINE TO 4LINE DECODERS/DEMULTIPLEXERS SCLS066D − MARCH 1982 − REVISED SEPTEMBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Operating Voltage Range of 4.5 V to 5.5 V D Outputs Can Drive Up To 10 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 10 ns D ±4-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Inputs Are TTL-Voltage Compatible D Designed Specifically for High-Speed Memory Decoders and Data-Transmission Systems D Incorporate Two Enable Inputs to Simplify Cascading and/or Data Reception description/ordering information The ’HCT139 devices are designed for high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, these decoders can minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, the delay time 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. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube of 25 SN74HCT139N SN74HCT139N Tube of 40 SN74HCT139D SOIC − D Reel of 2500 SN74HCT139DR HCT139 −40 °C to 85°C SOIC − D Reel of 250 SN74HCT139DT HCT139 −40 C to 85 C SSOP − DB Reel of 2000 SN74HCT139DBR HT139 TSSOP − PW Reel of 2000 SN74HCT139PWR HT139 TSSOP − PW Reel of 250 SN74HCT139PWT HT139 CDIP − J Tube of 25 SNJ54HCT139J SNJ54HCT139J −55 °C to 125°C CFP − W Tube of 150 SNJ54HCT139W SNJ54HCT139W −55 C to 125 C LCCC − FK Tube of 55 SNJ54HCT139FK SNJ54HCT139FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 32 1 20 19 910 11 1213 4 5 6 7 8 18 17 16 15 14 2A 2B NC 2Y0 2Y1 1B 1Y0 NC 1Y1 1Y2 SN54HCT139 . . . FK PACKAGE (TOP VIEW) NC − No internal connection 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1G 1A 1B 1Y0 1Y1 1Y2 1Y3 GND VCC 2G 2A 2B 2Y0 2Y1 2Y2 2Y3 SN54HCT139 ...J OR W PACKAGE SN74HCT139 . . . D, DB, N, OR PW PACKAGE (TOP VIEW) Copyright 2003, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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