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74LVC1T45Z6-7 Datasheet(PDF) 1 Page - Diodes Incorporated |
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74LVC1T45Z6-7 Datasheet(HTML) 1 Page - Diodes Incorporated |
1 / 14 page 74LVC1T45 Document number: DS35804 Rev. 2 - 2 1 of 14 www.diodes.com June 2013 © Diodes Incorporated 74LVC1T45 SINGLE BIT DUAL POWER SUPPLY TRANSLATING TRANSCEIVER WITH 3 STATE OUTPUTS Description The 74LVC1T45 is a single bit, dual supply transceiver with 3-state outputs suitable for transmitting a single logic bit across different voltage domains. The A input/output pin is designed to track VCCA while the B input/output tracks VCCB. This arrangement allows for universal low-voltage translation between any voltages from 1.65V to 5.5V. The Direction pin (DIR) controls the direction of the transceiver and in a logic voltage related to VCCA. When a high logic level is applied to DIR the A pin becomes an input and the B pin becomes the output. Conversely the roles of A and B are reversed when DIR is asserted low. The 3-state feature occurs when either of the power supply voltages are zero. This is also an Ioff feature and allows for the output to remain in a high impedance state with both power supplies at 0V preventing and damaging backflow currents and providing power down electrical isolation up to 5.5V as not to interfere with any logic activity on pin A or B. Features • Wide Supply Voltage Range: VCC(A): from 1.65V to 5.5V VCC(B): from 1.65V to 5.5V • ± 24mA Output Drive at 3.3V • CMOS low power consumption 16µA maximum ICC • High Noise Immunity -- (100mV hysteresis typical) • IOFF Supports Partial-Power-Down Mode Operation • IOFF controlled by either VCC being at 0 V • Inputs accept up to 5.5V • ESD Protection Exceeds JESD 22 200-V Machine Model (A115-A) 2000-V Human Body Model (A114-A) 1000 V Charged Device Model ( C101) • Latch-Up Exceeds 100mA per JESD 78, Class II • X2-DFN1409-6 package designed as a direct replacement for chip scale packaging. • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) • Halogen and Antimony Free. “Green” Device (Note 3) Pin Assignments 2 4 5 6 3 1 (Top View) X2-DFN1410-6 A GND B DIR Vcc(A) Vcc(B) X2-DFN1409-6 Chip Scale Alternative A GND B DIR Vcc(A) Vcc(B) 1 6 5 4 3 2 (Bottom View) (Top View ) X2-DFN1010-6 A GND B 1 2 3 4 5 6 DIR Vcc(A) Vcc(B) B SOT26 SOT363 SOT563 (Top View) GND A 4 3 2 1 6 Vcc(A) 5 Vcc(B) DIR Applications • Voltage Level Translation Well suited to join logic types operating at different voltages • Power Down Signal Isolation If either voltage domain is turned off the signal is isolated and there is no loading on signal lines • Wide array of products such as: Cell Phones, Tablets, E-Readers PCs, notebooks, netbooks, ultrabooks Networking, routers, gateways Computer peripherals, hard drives, CD/DVD ROM TV, DVD, DVR, set top box Personal Navigation / GPS MP3 players ,Cameras, Video Recorders Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. Click for Ordering Information |
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