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74ALVC164245DGGRG4 データシート(PDF) 1 Page - Texas Instruments |
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74ALVC164245DGGRG4 データシート(HTML) 1 Page - Texas Instruments |
1 / 23 page www.ti.com FEATURES NOTE: New and improved versions of the SN74ALVC164245 are available. The new part numbers are SN74LVC16T245 and SN74LVCH16T245 and should be considered for new designs. DESCRIPTION/ORDERING INFORMATION DGG OR DL PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1DIR 1B1 1B2 GND 1B3 1B4 (3.3 V, 5 V) VCCB 1B5 1B6 GND 1B7 1B8 2B1 2B2 GND 2B3 2B4 (3.3 V, 5 V) VCCB 2B5 2B6 GND 2B7 2B8 2DIR 1OE 1A1 1A2 GND 1A3 1A4 VCCA (2.5 V, 3.3 V) 1A5 1A6 GND 1A7 1A8 2A1 2A2 GND 2A3 2A4 VCCA (2.5 V, 3.3 V) 2A5 2A6 GND 2A7 2A8 2OE SN74ALVC164245 16-BIT 2.5-V TO 3.3-V/3.3-V TO 5-V LEVEL-SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS SCAS416P – MARCH 1994 – REVISED NOVEMBER 2005 • Member of the Texas Instruments Widebus™ Family • Max tpd of 5.8 ns at 3.3 V • ±24-mA Output Drive at 3.3 V • Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage • Latch-Up Performance Exceeds 250 mA Per JESD 17 This 16-bit (dual-octal) noninverting bus transceiver contains two separate supply rails. B port has VCCB, which is set to operate at 3.3 V and 5 V. A port has VCCA, which is set to operate at 2.5 V and 3.3 V. This allows for translation from a 2.5-V to a 3.3-V environment, and vice versa, or from a 3.3-V to a 5-V environment, and vice versa. The SN74ALVC164245 is designed for asynchronous communication between data buses. The control circuitry (1DIR, 2DIR, 1OE, and 2OE) is powered by VCCA. To ensure the high-impedance state during power up or power down, the output-enable (OE) input should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. ORDERING INFORMATION TA PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKING FBGA – GRD 74ALVC164245GRDR Tape and reel VC4245 FBGA – ZRD (Pb-free) 74ALVC164245ZRDR Tube of 25 SN74ALVC164245DL SSOP – DL SN74ALVC164245DLR ALVC164245 Reel of 1000 74ALVC164245DLRG4 –40 °C to 85°C SN74ALVC164245DGGR Reel of 2000 74ALVC164245DGGRG4 TSSOP – DGG ALVC164245 SN74ALVC164245DGGT Reel of 250 74ALVC164245DGGTE4 VFBGA – GQL SN74ALVC164245KR Reel of 1000 VC4245 VFBGA – ZQL (Pb-free) 74ALVC164245ZQLR (1) 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. Widebus is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 1994–2005, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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同様の説明 - 74ALVC164245DGGRG4 |
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