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SN74HC193DT Datasheet(PDF) 1 Page - Texas Instruments |
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SN74HC193DT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page SN54HC193, SN74HC193 4BIT SYNCHRONOUS UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) SCLS122D − DECEMBER 1982 − REVISED OCTOBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 10 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 20 ns D ±4-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Look-Ahead Circuitry Enhances Cascaded Counters D Fully Synchronous in Count Modes D Parallel Asynchronous Load for Modulo-N Count Lengths D Asynchronous Clear 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 B QB QA DOWN UP QC QD GND VCC A CLR BO CO LOAD C D SN54HC193 ...J OR W PACKAGE SN74HC193 . . . D, N, NS, OR PW PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 CLR BO NC CO LOAD QA DOWN NC UP QC SN54HC193 . . . FK PACKAGE (TOP VIEW) NC − No internal connection description/ordering information The ’HC193 devices are 4-bit synchronous, reversible, up/down binary counters. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincidentally with each other when so instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube of 25 SN74HC193N SN74HC193N Tube of 40 SN74HC193D SOIC − D Reel of 2500 SN74HC193DR HC193 −40 °C to 85°C SOIC − D Reel of 250 SN74HC193DT HC193 −40 °C to 85°C SOP − NS Reel of 2000 SN74HC193NSR HC193 Tube of 90 SN74HC193PW TSSOP − PW Reel of 2000 SN74HC193PWR HC193 TSSOP − PW Reel of 250 SN74HC193PWT HC193 CDIP − J Tube of 25 SNJ54HC193J SNJ54HC193J −55 °C to 125°C CFP − W Tube of 150 SNJ54HC193W SNJ54HC193W −55 C to 125 C LCCC − FK Tube of 55 SNJ54HC193FK SNJ54HC193FK † 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. 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. On products compliant to MILPRF38535, 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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