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SNJ54AHCT138W

Texas Instruments
Part Number SNJ54AHCT138W
Manufacturer Texas Instruments
Description 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
Published Jul 25, 2021
Detailed Description SN54AHCT138, SN74AHCT138 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS D Inputs Are TTL-Voltage Compatible D Designed Specif...
Datasheet PDF File SNJ54AHCT138W PDF File

SNJ54AHCT138W
SNJ54AHCT138W

Overview
SN54AHCT138, SN74AHCT138 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS 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 SCLS266M − DECEMBER 1995 − REVISED JULY 2003 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) SN54AHCT138 .
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J OR W PACKAGE SN74AHCT138 .
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D, DB, DGV, N, NS, OR PW PACKAGE (TOP VIEW) A1 B2 C3 G2A 4 G2B 5 G1 6 Y7 7 GND 8 16 VCC 15 Y0 14 Y1 13 Y2 12 Y3 11 Y4 10 Y5 9 Y6 SN74AHCT138 .
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RGY PACKAGE (TOP VIEW) VCC A 1 B2 C3 G2A 4 G2B 5 G1 6 Y7 7 8 16 15 Y0 14 Y1 13 Y2 12 Y3 11 Y4 10 Y5 9 SN54AHCT138 .
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FK PACKAGE (TOP VIEW) Y0 VCC NC A B C G2A NC G2B G1 3 2 1 20 19 4 18 Y1 5 17 Y2 6 16 NC 7 15 Y3 8 14 Y4 9 10 11 12 13 Y7 Y6 Y5 NC GND Y6 GND NC − No internal connection 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 Tape and reel SN74AHCT138D SN74AHCT138DR AHCT138 −40°C to 85°C SOP − NS Tape and reel SN74AHCT138NSR AHCT138 SSOP − DB Tape and reel SN74AHCT138DBR HB138 TSSOP − PW Tube ...


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