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| TC7SBD385FU TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC7SBD385FU Single Bus Switch with Level Shifting The TC7SBD385FU provides single bit of high-speed TTL-compatible switching. The low on resistance of the switch allows connections to be made with minimal propagation delay. The device is organized as just 1-bit low-impedance switch with output-enable (OE) input. When OE is high, the switch is on and data can flow from port A to port B, or vice versa. When OE is low, the switch is open and a high-impedance state exists between the two ports. The internal diode which adds to power supply line is enable to realize the shift of signal level from 5 V to 3.3 V. All inputs are equipped with protection circuits against static discharge. Weight: 0.006 g (typ.) Features * * * * * * Operating voltage: VCC = 4.5~5.5 V High speed operation: tpd = 0.25 ns (max) Low on resistance: RON = 5 (typ.) ESD performance: Machine model > 200 V Human body model > 2000 V TTL level input (control input) Package: USV Pin Assignment (top view) VCC 5 OE 4 JL 1 A 2 B 3 GND 980910EBA1 * TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. * The products described in this document are subject to the foreign exchange and foreign trade laws. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. * The information contained herein is subject to change without notice. 2000-03-15 1/6 TC7SBD385FU Truth Table Input OE L H Disconnect A port = B port Function System Diagram A B OE Maximum Ratings Characteristics Power supply range DC input voltage DC switch voltage Input diode current Continuous channel current Power dissipation DC VCC/GND current Storage temperature Symbol VCC VIN VS IIK IS PD ICC/IGND Tstg Rating -0.5~7.0 -0.5~7.0 -0.5~7.0 -50 128 200 100 -65~150 Unit V V V mA mA mW mA C Recommended Operating Conditions Characteristics Supply voltage Input voltage Switch voltage Operating temperature Input rise and fall time Symbol VCC VIN VS Topr dt/dv Rating 4.5~5.5 0~5.5 0~5.5 -40~85 0~10 Unit V V V C ns/V 2000-03-15 2/6 TC7SBD385FU Electrical Characteristics DC Characteristics (Ta = -40~85C) Characteristics "H" level "L" level High-level output voltage Input leakage current Off-state leakage current (switch off) ON resistance (Note2) Symbol VIH VIL VOH IIN ISZ Figure 4 VIN = 0~5.5 V A, B = 0~5.5 V, OE = GND IIS = 30 mA IIS = 64 mA Test Condition VCC (V) Input voltage 4.5~5.5 4.5~5.5 5.5 5.5 4.5 4.5 4.5 5.5 5.5 5.5 2.0 Min Typ. (Note1) 5 5 35 Max 0.8 1.0 1.0 7 7 50 1.5 10 2.5 mA A mA A A Unit V RON VIS = 0 V VIS = 2.4 V, IIS = 15 mA ICC ICC VIN = VCC or GND, IOUT = 0 Switch ON Switch OFF (Note3) Quiescent supply current VIN = 3.4 V (one input) Note1: Typical values are at VCC = 5 V and Ta = 25C. Note2: 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 the two (A or B) pins. Note3: Quiescent supply current at VCC = 3.4 V will be sum of ICC and ICC. AC Characteristics (Ta = -40~85C) Characteristics Propagation delay time (bus to bus) Output enable time Symbol tpLH tpHL tpZL tpZH Output disable time tpLZ tpHZ Figure 1, Figure 3 4.5 Figure 1, Figure 3 4.5 Test Condition VCC (V) Figure 1, Figure 2 (Note4) 4.5 0.25 ns Min Max Unit 4.5 ns 5.0 ns Note4: 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 Control pin input capacitance Switch terminal capacitance Symbol CIN CI/O OE = GND Test Condition VCC (V) (Note5) (Note5) 5.0 5.0 3 10 pF pF Typ. Unit Note5: This item is guaranteed by design. 2000-03-15 3/6 TC7SBD385FU AC Test Circuit Open 7.0 V GND Measure CL = 50 pF RL = 500 CL RL Switch RL Parameter tpLH, tpHL tpLZ, tpZL tpHZ, tpZH Switch Open 7.0 V Open Output Figure 1 AC Waveform tr Input (A, B) 2.5 ns tf 90% 1.5 V 10% 2.5 ns 3.0 V GND Output (B, A) tpLH VOH 1.5 V tpHL VOL Figure 2 tpLH, tpHL tf Output Enable (OE) 2.5 ns tr 2.5 ns 90% 1.5 V 3.0 V 10% tpLZ tpZL GND Output (A, B) Low to Off to Low tpHZ Output (A, B) High to Off to High Outputs enabled 3.5 V 1.5 V VOL + 0.3 V VOH - 0.3 V 1.5 V GND Outputs disabled Outputs enabled tpZH VOL VOH Figure 3 tpLZ, tpHZ, tpZL, tpZH 2000-03-15 4/6 TC7SBD385FU VOH - VCC Characteristics (typ.) 4.5 4.5 (V) 4.0 100 A 6 mA 12 mA 24 mA (V) Ta = 85C Ta = 25C 4.0 100 A 3.5 6 mA 12 mA 24 mA High-level output voltage VOH 3.5 3.0 High-level output voltage VOH 5.75 3.0 2.5 2.5 2.0 2.0 1.5 4.50 4.75 5.00 5.25 5.50 1.5 4.50 4.75 5.00 5.25 5.50 5.75 Power supply voltage VCC (V) Power supply voltage VCC (V) 4.5 (V) Ta = 0C 4.0 100 A 3.5 6 mA 12 mA 24 mA High-level output voltage VOH 3.0 2.5 2.0 1.5 4.50 4.75 5.00 5.25 5.50 5.75 Power supply voltage VCC (V) Figure 4 2000-03-15 5/6 TC7SBD385FU Package Dimensions Weight: 0.006 g (typ.) 2000-03-15 6/6 |
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