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SN74AHCT138DRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74AHCT138DRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page SN54AHCT138, SN74AHCT138 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS SCLS266M – DECEMBER 1995 – REVISED JULY 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Inputs Are TTL-Voltage Compatible D Designed Specifically for High-Speed Memory Decoders and Data-Transmission Systems D Incorporate Three Enable Inputs to Simplify Cascading and/or Data Reception D Latch-Up Performance Exceeds 250 mA Per JESD 17 D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) 32 1 20 19 910 11 1213 4 5 6 7 8 18 17 16 15 14 Y1 Y2 NC Y3 Y4 C G2A NC G2B G1 SN54AHCT138 . . . FK PACKAGE (TOP VIEW) NC – No internal connection 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 A B C G2A G2B G1 Y7 GND VCC Y0 Y1 Y2 Y3 Y4 Y5 Y6 SN54AHCT138 ...J OR W PACKAGE SN74AHCT138 . . . D, DB, DGV, N, NS, OR PW PACKAGE (TOP VIEW) SN74AHCT138 . . . RGY PACKAGE (TOP VIEW) 116 89 2 3 4 5 6 7 15 14 13 12 11 10 Y0 Y1 Y2 Y3 Y4 Y5 B C G2A G2B G1 Y7 description/ordering information The ’AHCT138 3-line to 8-line decoders/demultiplexers are designed to be used in high-performance memory-decoding and data-routing applications that require very short propagation-delay times. In high-performance memory systems, this decoder 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 this decoder 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 decoder is negligible. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING QFN – RGY Tape and reel SN74AHCT138RGYR HB138 PDIP – N Tube SN74AHCT138N SN74AHCT138N SOIC – D Tube SN74AHCT138D AHCT138 SOIC – D Tape and reel SN74AHCT138DR AHCT138 –40 °C to 85°C SOP – NS Tape and reel SN74AHCT138NSR AHCT138 SSOP – DB Tape and reel SN74AHCT138DBR HB138 TSSOP PW Tube SN74AHCT138PW HB138 TSSOP – PW Tape and reel SN74AHCT138PWR HB138 TVSOP – DGV Tape and reel SN74AHCT138DGVR HB138 CDIP – J Tube SNJ54AHCT138J SNJ54AHCT138J –55 °C to 125°C CFP – W Tube SNJ54AHCT138W SNJ54AHCT138W LCCC – FK Tube SNJ54AHCT138FK SNJ54AHCT138FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2003, Texas Instruments Incorporated PRODUCTION DATA information is 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. 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. On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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