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SN74CB3T16212 Datenblatt(PDF) 1 Page - Texas Instruments |
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SN74CB3T16212 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 17 page www.ti.com FEATURES 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 S0 1A1 1A2 2A1 2A2 3A1 3A2 GND 4A1 4A2 5A1 5A2 6A1 6A2 7A1 7A2 VCC 8A1 GND 8A2 9A1 9A2 10A1 10A2 11A1 11A2 12A1 12A2 S1 S2 1B1 1B2 2B1 2B2 3B1 GND 3B2 4B1 4B2 5B1 5B2 6B1 6B2 7B1 7B2 8B1 GND 8B2 9B1 9B2 10B1 10B2 11B1 11B2 12B1 12B2 DGG OR DGV PACKAGE (TOP VIEW) DESCRIPTION/ORDERING INFORMATION SN74CB3T16212 24-BIT FET BUS-EXCHANGE SWITCH, 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER SCDS157A – OCTOBER 2003 – REVISED FEBRUARY 2005 • Member of the Texas Instruments Widebus™ Family • Output Voltage Translation Tracks VCC • Supports Mixed-Mode Signal Operation on All Data I/O Ports – 5-V Input Down to 3.3-V Output Level Shift With 3.3-V VCC – 5-V/3.3-V Input Down to 2.5-V Output Level Shift With 2.5-V VCC • 5-V-Tolerant I/Os With Device Powered Up or Powered Down • Bidirectional Data Flow, With Near-Zero Propagation Delay • Low ON-State Resistance (ron) Characteristics (ron = 5 Ω Typ) • Low Input/Output Capacitance Minimizes Loading (Cio(OFF) = 9 pF Typ) • Data and Control Inputs Provide Undershoot Clamp Diodes • Low Power Consumption (ICC = 70 µA Max) • VCC Operating Range From 2.3 V to 3.6 V • Data I/Os Support 0-V to 5-V Signaling Levels (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V) • Control Inputs Can Be Driven by TTL or 5-V/3.3-V CMOS Outputs • Ioff Supports Partial-Power-Down Mode Operation • Latch-Up Performance Exceeds 250 mA Per JESD 17 • ESD Performance Tested Per JESD 22 – 2000-V Human-Body Model(A114-B, Class II) – 1000-V Charged-Device Model (C101) • Supports Digital Applications: Level Translation, PCI Interface, USB Interface, Memory Interleaving, and Bus Isolation • Ideal for Low-Power Portable Equipment The SN74CB3T16212 is a high-speed TTL-compatible FET bus-exchange 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 SN74CB3T16212 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). 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 © 2003–2005, 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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