Datenblatt-Suchmaschine für elektronische Bauteile |
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CD74HCT4515EN Datenblatt(PDF) 1 Page - Texas Instruments |
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CD74HCT4515EN Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 10 page CD74HCT4514, CD74HCT4515 4LINE TO 16LINE DECODERS/DEMULTIPLEXERS WITH INPUT LATCHES SCHS314D − MAY 2002 − REVISED SEPTEMBER 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 4.5-V to 5.5-V VCC Operation D Fanout (Over Temperature Range) − Standard Outputs . . . 10 LSTTL Loads − Bus-Driver Outputs . . . 15 LSTTL Loads D Wide Operating Temperature Range of −55 °C to 125°C D Balanced Propagation Delays and Transition Times D Significant Power Reduction Compared to LSTTL Logic ICs D HCT Types − Direct LSTTL Input Logic Compatibility, VIL = 0.8 V (Max), VIH = 2 V (Min) − CMOS Input Compatibility, II ≤ 1 µA at VOL, VOH description/ordering information The CD74HCT4514 and CD74HCT4515 are high-speed silicon-gate devices consisting of a 4-bit strobed latch and a 4-line to 16-line decoder. The selected output is enabled by a low on the enable (E) input. A high on E inhibits selection of any output. Demultiplexing is accomplished by using E as the data input and the select inputs (A0−A3) as addresses. E also serves as a chip select when these devices are cascaded. When the latch enable (LE) is high, the output follows changes in the inputs (see decode function table). When LE is low, the output is isolated from changes in the input and remains at the level (high for the ’4514, low for the ’4515) it had before the latch was enabled. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − E Tube CD74HCT4514E CD74HCT4514E −55 °C to 125°C PDIP − E Tube CD74HCT4515E CD74HCT4515E −55 C to 125 C PDIP − EN Tube CD74HCT4515EN CD74HCT4515EN † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2004, 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. CD74HCT4514 ...E PACKAGE CD74HCT4515 ...E OR EN PACKAGE (TOP VIEW) LE A0 A1 Y7 Y6 Y5 Y4 Y3 Y1 Y2 Y0 GND VCC E A3 A2 Y10 Y11 Y8 Y9 Y14 Y15 Y12 Y13 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 |
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