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SN74CB3T3306DCUR Folha de dados(PDF) 1 Page - Texas Instruments |
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SN74CB3T3306DCUR Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 15 page DCT OR DCU PACKAGE (TOP VIEW) 1 2 3 4 8 7 6 5 1OE 1A 1B GND VCC 2OE 2B 2A SN74CB3T3306 www.ti.com SCDS119B – JANUARY 2003 – REVISED AUGUST 2012 DUAL FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH WITH 5-V TOLERANT LEVEL SHIFTER Check for Samples: SN74CB3T3306 1 FEATURES • VCC Operating Range From 2.3 V to 3.6 V • Data I/Os Support 0- to 5-V Signaling Levels • Output Voltage Translation Tracks VCC (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V) • Supports Mixed-Mode Signal Operation • Control Inputs Can Be Driven by TTL or on All Data I/O Ports 5-V/3.3-V CMOS Outputs – 5-V Input Down to 3.3-V Output Level • Ioff Supports Partial-Power-Down Mode Shift With 3.3-V VCC Operation – 5-V/3.3-V Input Down to 2.5-V Output • Latch-Up Performance Exceeds 250 mA Per Level Shift With 2.5-V VCC JESD 17 • 5-V Tolerant I/Os With Device Powered Up • ESD Performance Tested Per JESD 22 or Powered Down – 2000-V Human-Body Model • Bidirectional Data Flow With Near-Zero (A114-B, Class II) Propagation Delay – 1000-V Charged-Device Model (C101) • Low ON-State Resistance (ron) Characteristics (ron = 5 Ω Typ) • Supports Digital Applications: Level Translation, USB Interface, Bus Isolation • Low Input/Output Capacitance Minimizes Loading (Cio(OFF) = 4.5 pF Typ) • Ideal for Low-Power Portable Equipment • Data and Control Inputs Provide Undershoot Clamp Diodes • Low Power Consumption (ICC = 20 μA Max) DESCRIPTION/ORDERING INFORMATION The SN74CB3T3306 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks VCC. The SN74CB3T3306 supports systems using 5-V TTL, 3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels (see Figure 1). The SN74CB3T3306 is organized as two 1-bit bus switches with separate ouput-enable (1OE, 2OE) inputs. It can be used as two 1-bit bus switches or as one 2-bit bus switch. When OE is low, the associated 1-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated 1-bit bus switch is OFF, and a high-impedance state exists between the A and B ports. 1 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 © 2003–2012, 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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Descrição semelhante - SN74CB3T3306DCUR |
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