TC7WB383FK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC7WB383FK 2-Bit Bus Exchange Switch The TC7WB383FK is a low on-resistance, high-speed CMOS 2-bit bus exchange switch. This bus switch allows the connections or disconnections to be made with minimal propagation delay while maintaining Low power dissipation which is the feature of CMOS. When output enable (OE) is at high level, the switches are off. When at low level, the switches are on, and by the logic of EX terminal, It can choose whether 2 bits data are transferred to the corresponding terminal as it is, or the data are transferred to a terminal with exchanging data line. Therefore it may be used as Weight: 0.01 g (typ.) 2 to 1 multiplexer switch. Since the switch channels consist of N type MOSFET, the high level output voltage is provided about 1 V lower than VCC level. All inputs are equipped with protection circuits to protect the device from static discharge. Features * Operating voltage: VCC = 4.5~5.5 V * High speed operation: tpd = 0.25 ns (max) * Ultra-low on resistance: RON = 5 (typ.) * ESD performance: Machine model 200 V Human body model 2000 V * TTL level input (control input) * Package: US8 Pin Assignment (top view) VCC C1 8 7 D1 6 EX 5 WB 383 1 2 OE A1 3 4 B1 GND 1 2007-10-19 TC7WB383FK Truth Table OE EX A1 B1 C1 D1 Function H X Hi-Z Disconnect L L A1 = C1, B1 = D1 Connect L H A1 = D1, B1 = C1 Exchange System Diagram OE EX A1 C1 B1 D1 Absolute Maximum Ratings (Note) Characteristics Symbol Rating Unit Power supply voltage VCC -0.5~7.0 V Control pin input voltage VIN -0.5~7.0 V Switch terminal I/O voltage VS -0.5~7.0 V Clump diode current IIK -50 mA Switch I/O current IS 128 mA Power dissipation PD 200 mW DC VCC/GND current ICC/IGND 100 mA Storage temperature Tstg -65~150 C Note: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/"Derating Concept and Methods") and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Operating Ranges (Note) Characteristics Symbol Rating Unit Power supply voltage VCC 4.5~5.5 V Control pin input voltage VIN 0~5.5 V Switch I/O voltage VS 0~5.5 V Operating temperature Topr -40~85 C Control pin input rise/fall time dt/dv 0~10 ns/V Note: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND. 2 2007-10-19 TC7WB383FK Electrical Characteristics DC Characteristics (Ta = -40~85C) Characteristics Min Typ. (Note 1) Max 4.5~5.5 2.0 4.5~5.5 0.8 4.5~5.5 1.0 A 0 1.0 A 4.5~5.5 1.0 A IIS = 64 mA 4.5 5 7 IIS = 30 mA 4.5 5 7 VIS = 2.4 V, IIS = 15 mA 4.5 10 15 VIN = VCC or GND IOUT = 0 5.5 10 mA VIN = 3.4 V (one input) 5.5 2.5 mA Symbol Test Condition Control pin input "H" level voltage "L" level VIH VIL Input leakage current IIN Power off leakage current Off-state leakage current (switch off) ON resistance (Note 2) Quiescent supply current IOFF ISZ RON ICC ICC VCC (V) VIN = 0~5.5 V A, B, OE = 0~5.5 V A, B = 0~5.5 V, OE = VCC VIS = 0 V Unit V Note 1: The typical values are at VCC = 5 V, Ta = 25C. Note 2: Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower of the voltages on two (A or B) pins. AC Characteristics (Ta = -40~85C) Characteristics Symbol Propagation delay time tpLH (bus to bus) tpHL Propagation delay time tpLH (EX to bus) tpHL Output enable time Output disable time tpZL tpZH tpLZ tpHZ Test Condition Min Max Unit 4.5 0.25 ns Figure 1, Figure 3 4.5 4.5 ns Figure 1, Figure 4 4.5 4.5 ns Figure 1, Figure 4 4.5 5.5 ns Figure 1, Figure 2 VCC (V) (Note) Note: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical on resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage the source (zero output impedance). Capacitive Characteristics (Ta = 25C) Characteristics Symbol Control pin input capacitance CIN Switch terminal capacitance CI/O Test Condition OE = VCC VCC (V) Typ. Unit (Note) 5.0 3 pF (Note) 5.0 17 pF Note: This item is guaranteed by design. 3 2007-10-19 TC7WB383FK AC Test Circuit RL Switch Open 7.0 V GND Measure RL CL Output CL = 50 pF RL = 500 Parameter Switch tpLH, tpHL Open tpLZ, tpZL 7.0 V tpHZ, tpZH Open Figure 1 AC Waveform tr 2.5 ns tf 2.5 ns 3.0 V 90% 1.5 V Input (A, B, C, D) 10% GND VOH Output (A, B, C, D) 1.5 V tpLH tpHL VOL Figure 2 tpLH, tpHL tr 2.5 ns tf 2.5 ns 3.0 V 90% 1.5 V Exchange (EX) 10% tpLH GND tpHL VOH Output (A, B, C, D) 1.5 V VOL VOH Output (A, B, C, D) 1.5 V tpHL tpLH VOL Figure 3 tpLH, tpHL 4 2007-10-19 TC7WB383FK tf 2.5 ns tr 2.5 ns 3.0 V 90% 1.5 V Output Enable ( OE ) 10% tpLZ GND tpZL 3.5 V Output (A, B, C, D) Low to Off to Low 1.5 V tpHZ VOL + 0.3 V VOH - 0.3 V Output (A, B, C, D) High to Off to High VOL tpZH VOH 1.5 V GND Outputs enabled Outputs disabled Outputs enabled Figure 4 tpLZ, tpHZ, tpZL, tpZH 5 2007-10-19 TC7WB383FK Package Dimensions Weight: 0.01 g (typ.) 6 2007-10-19 TC7WB383FK RESTRICTIONS ON PRODUCT USE * Toshiba Corporation, and its subsidiaries and affiliates (collectively "TOSHIBA"), reserve the right to make changes to the information in this document, and related hardware, software and systems (collectively "Product") without notice. * This document and any information herein may not be reproduced without prior written permission from TOSHIBA. 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