SN74LVC646ADBR ,Octal Bus Transceiver And Register With 3-State OutputsFEATURES• Operate From 1.65 V to 3.6 V • I Supports Partial-Power-Down ModeoffOperation• Inputs Acc ..
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SN74LVC646ADBR-SN74LVC646APW
Octal Bus Transceiver And Register With 3-State Outputs
SN54LVC646A, SN74LVC646A OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS www.ti.com SCAS302J–JANUARY 1993–REVISED AUGUST 2005 FEATURES • Operate From 1.65 V to 3.6 V • I Supports Partial-Power-Down Mode off Operation • Inputs Accept Voltages to 5.5 V • Latch-Up Performance Exceeds 250 mA Per • Max t of 7.4 ns at 3.3 V pd JESD 17 • Typical V (Output Ground Bounce) OLP • ESD Protection Exceeds JESD 22 <0.8 at V = 3.3 V, T = 25°C CC A – 2000-V Human-Body Model (A114-A) • Typical V (Output V Undershoot) OHV OH >2 V at V = 3.3 V, T = 25°C – 200-V Machine Model (A115-A) CC A • Support Mixed-Mode Signal Operation on All – 1000-V Charged-Device Model (C101) Ports (5-V Input/Output Voltage With xxxx 3.3-V V ) CC SN54LVC646A . . . JT OR W PACKAGE SN54LVC646A . . . FK PACKAGE SN74LVC646A . . . DB, DW, NS, OR PW PACKAGE (TOP VIEW) (TOP VIEW) CLKAB 1 24 V CC SAB 2 23 CLKBA DIR 3 22 SBA 4 3 2 1 28 27 26 A1 OE 5 25 A1 OE 4 21 A2 B1 6 24 A2 5 20 B1 A3 B2 7 23 A3 6 19 B2 NC NC 8 22 A4 7 18 B3 A4 9 21 B3 A5 8 17 B4 A5 10 20 B4 A6 9 16 B5 A6 11 19 B5 A7 10 15 B6 12 13 14 15 16 17 18 A8 B7 11 14 GND 12 13 B8 NC - No internal connection DESCRIPTION/ORDERING INFORMATION The SN54LVC646A octal bus transceiver and register is designed for 2.7-V to 3.6-V V operation, and the CC SN74LVC646A octal bus transceiver and register is designed for 1.65-V to 3.6-V V operation. CC ORDERING INFORMATION (1) T PACKAGE ORDERABLE PART NUMBER TOP-SIDE MARKING A Tube of 25 SN74LVC646ADW SOIC – DW LVC646A Reel of 2000 SN74LVC646ADWR SOP – NS Reel of 2000 SN74LVC646ANSR LVC646A –40°C to 85°C SSOP – DB Reel of 2000 SN74LVC646ADBR LC646A Tube of 60 SN74LVC646APW TSSOP – PW Reel of 2000 SN74LVC646APWR LC646A Reel of 250 SN74LVC646APWT CDIP – JT Tube of 15 SNJ54LVC646AJT SNJ54LVC646AJT –55°C to 125°C CFP – W Tube of 85 SNJ54LVC646AW SNJ54LVC646AW LCCC – FK Tube of 42 SNJ54LVC646AFK SNJ54LVC646AFK (1) Package drawings, standard packing quantities, thermal data, symboliztion, 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. PRODUCTION DATA information is current as of publication date. Copyright © 1993–2005, Products conform to specifications per the terms of the Texas On products compliant to MIL-PRF-38535, all parameters are Instruments standard warranty. Production processing does not tested unless otherwise noted. On all other products, production necessarily include testing of all parameters. processing does not necessarily include testing of all parameters. A7 DIR A8 SAB GND CLKAB NC NC B8 V CC CLKBA B7 SBA B6
