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SN74HC245PWRE4 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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SN74HC245PWRE4 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 20 page SN54HC245, SN74HC245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCLS131D − DECEMBER 1982 − REVISED AUGUST 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Wide Operating Voltage Range of 2 V to 6 V D High-Current 3-State Outputs Drive Bus Lines Directly or Up To 15 LSTTL Loads D Low Power Consumption, 80-μA Max I CC D Typical t pd = 12 ns D ±6-mA Output Drive at 5 V D Low Input Current of 1 μA Max 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 B1 B2 B3 B4 B5 A3 A4 A5 A6 A7 SN54HC245 ...FK PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 DIR A1 A2 A3 A4 A5 A6 A7 A8 GND VCC OE B1 B2 B3 B4 B5 B6 B7 B8 SN54HC245 ...J OR W PACKAGE SN74HC245 . . . DB, DW, N, NS, OR PW PACKAGE (TOP VIEW) description/ordering information These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements. The devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube of 20 SN74HC245N SN74HC245N SOIC DW Tube of 25 SN74HC245DW HC245 SOIC − DW Reel of 2000 SN74HC245DWR HC245 40 °Cto85°C SOP − NS Reel of 2000 SN74HC245NSR HC245 −40 °C to 85°C SSOP − DB Reel of 2000 SN74HC245DBR HC245 Tube of 70 SN74HC245PW TSSOP − PW Reel of 2000 SN74HC245PWR HC245 TSSOP PW Reel of 250 SN74HC245PWT HC245 CDIP − J Tube of 20 SNJ54HC245J SNJ54HC245J −55 °C to 125°C CFP − W Tube of 85 SNJ54HC245W SNJ54HC245W LCCC − FK Tube of 55 SNJ54HC245FK SNJ54HC245FK † 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 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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