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74ALVCH16952DGGRG4 Arkusz danych(PDF) 1 Page - Texas Instruments |
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74ALVCH16952DGGRG4 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 17 page www.ti.com FEATURES DESCRIPTION DGG, DGV, 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 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 1OEAB 1CLKAB 1CLKENAB GND 1A1 1A2 VCC 1A3 1A4 1A5 GND 1A6 1A7 1A8 2A1 2A2 2A3 GND 2A4 2A5 2A6 VCC 2A7 2A8 GND 2CLKENAB 2CLKAB 2OEAB 1OEBA 1CLKBA 1CLKENBA GND 1B1 1B2 VCC 1B3 1B4 1B5 GND 1B6 1B7 1B8 2B1 2B2 2B3 GND 2B4 2B5 2B6 VCC 2B7 2B8 GND 2CLKENBA 2CLKBA 2OEBA Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. SN74ALVCH16952 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS SCES011E – JULY 1995 – REVISED SEPTEMBER 2004 • Member of the Texas Instruments Widebus™ Family • EPIC™ (Enhanced-Performance Implanted CMOS) Submicron Process • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) • Latch-Up Performance Exceeds 500 mA Per JESD 17 • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors • Package Options Include Plastic 300-mil Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG), and Thin Very Small-Outline (DGV) Packages This 16-bit registered transceiver is designed for 1.65-V to 3.6-V VCC operation. The SN74ALVCH16952 contains two sets of D-type flip-flops for temporary storage of data flowing in either direction. This device can be used as two 8-bit transceivers or one 16-bit transceiver. Data on the A or B bus is stored in the registers on the low-to-high transition of the clock (CLKAB or CLKBA) input, provided that the clock-enable (CLKENAB or CLKENBA) input is low. Taking the output-enable (OEAB or OEBA) input low accesses the data on either port. To ensure the high-impedance state during power up or power down, OE 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. The SN74ALVCH16952 is characterized for operation from -40 °C to 85°C. 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, EPIC are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 1995–2004, 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. |
Podobny numer części - 74ALVCH16952DGGRG4 |
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Podobny opis - 74ALVCH16952DGGRG4 |
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