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SN74CB3T3245DWG4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74CB3T3245DWG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page 2 19 1 RON SN74CB3T3245 Bus Controller 8 Device 8 20 A1 VCC NC OE 0.1 2F VCC 3 RON A2 4 RON A3 5 RON A4 6 RON A5 7 RON A6 8 RON A7 9 RON A8 10 GND 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 B8 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community SN74CB3T3245 SCDS136B – OCTOBER 2003 – REVISED JUNE 2015 SN74CB3T3245 8-Bit FET Bus Switch 2.5-V and 3.3-V Low-Voltage With 5-V-Tolerant Level Shifter 1 Features • Latch-Up Performance Exceeds 250 mA Per JESD 17 1 • Standard '245-Type Pinout • ESD Performance Tested Per JESD 22 • Output Voltage Translation Tracks VCC – 2000-V Human-Body Model (A114-B, Class II) • Supports Mixed-Mode Signal Operation on All – 1000-V Charged-Device Model (C101) Data I/O Ports • Ideal for Low-Power Portable Equipment – 5-V Input Down to 3.3-V Output Level Shift With 3.3-V VCC 2 Applications – 5-V/3.3-V Input Down to 2.5-V Output Level • Supports Digital Applications: Level Translation, Shift With 2.5-V VCC PCI Interface, USB Interface, • 5-V-Tolerant I/Os With Device Powered Up or Memory Interleaving, Bus Isolation Powered Down • Bidirectional Data Flow With Near-Zero 3 Description Propagation Delay The SN74CB3T3245 device is a high-speed TTL- • Low ON-State Resistance (ron) Characteristics (ron compatible 8-bit FET bus switch with low ON-state = 5 Ω Typical) resistance (ron), allowing for minimal propagation • Low Input/Output Capacitance Minimizes Loading delay. The device fully supports mixed-mode signal (Cio(OFF) = 5 pF Typical) operation on all data I/O ports by providing voltage translation that tracks VCC. • Data and Control Inputs Provide Undershoot Clamp Diodes Device Information(1) • Low Power Consumption (ICC = 40 μA Maximum) PART NUMBER PACKAGE BODY SIZE (NOM) • VCC Operating Range From 2.3 V to 3.6 V SN74CB3T3245DBQ SSOP (20) 8.65 mm × 3.90 mm • Data I/Os Support 0- to 5-V Signaling Levels SN74CB3T3245DGV TVSOP (20) 5.00 mm × 4.40 mm (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V) SN74CB3T3245DW SOIC (20) 12.80 mm × 7.50 mm • Control Inputs Can Be Driven by TTL or SN74CB3T3245PW TSSOP (20) 6.50 mm × 4.40 mm 5-V/3.3-V CMOS Outputs (1) For all available packages, see the orderable addendum at • Ioff Supports Partial-Power-Down Mode Operation the end of the data sheet. Typical Application Functional Diagram 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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