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TC7WB66FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7WB66FK
Dual Bus Switch
The TC7WB66FK is a low on-resistance, high-speed CMOS2-bit bus 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 switch is on; when at Low level, the switch is off. P-MOS and N-MOS channel block means the device is suitable for analog signal transmission. All inputs are equipped with protector circuits to protect the device from static discharge.
Weight: 0.01 g (typ.)
Features
* * * * * * * Operating voltage: VCC = 2~5.5 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 High noise margin: VNIL = VNIH = 28% VCC (min) Power-down protection for inputs (control inputs only) Package: US8
Pin Assignment (top view)
VCC OE1 8 7 B2 6 A2 5
WB 66
1 A1
2
3
4
B1 OE2 GND
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Truth Table
Inputs OE H L Function A port = B port Disconnect
System Diagram
A1
B1
A2
B2
OE1
OE2
Absolute Maximum Ratings (Note)
Characteristics Power supply voltage Control pin input voltage Switch terminal I/O voltage Clump diode current Switch I/O current Power dissipation DC VCC/GND current Storage temperature Control input pin Switch terminal Symbol VCC VIN VS IIK IS PD ICC/IGND Tstg Rating -0.5~7.0 -0.5~7.0 -0.5~VCC + 0.5 -50 50 128 200 100 -65~150 Unit V V V mA mA mW mA 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 Power supply voltage Control pin input voltage Switch I/O voltage Operating temperature Control pin input rise/fall time Symbol VCC VIN VS Topr dt/dv Rating 2.0~5.5 0~5.5 0~VCC -40~85 0~10 Unit V V V C 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.
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Electrical Characteristics DC Characteristics (Ta = -40~85C)
Characteristics Symbol Test Condition VIN = 0~5.5 V A, B = 0~VCC, OE = GND VIS = 0 V, IIS = 30 mA VIS = 4.5 V, IIS = 30 mA ON resistance (Note 2) VIS = 2.4 V, IIS = 15 mA RON VIS = 0 V, IIS = 24 mA VIS = 3 V, IIS = 24 mA VIS = 0 V, IIS = 8 mA VIS = 2 V, IIS = 8 mA Quiescent supply current ICC VIN = VCC or GND, IOUT = 0 VCC (V) 2.0~5.5 2.0~5.5 2.0~5.5 2.0~5.5 4.5 4.5 4.5 3.0 3.0 2.0 2.0 5.5 Min 0.7 x VCC Typ. (Note 1) 3 5 6 4 7 6 10 Max 0.3 x VCC 1.0 1.0 7 15 12 9 20 12 30 10 A V Unit
Control pin input voltage
"H" level "L" level
VIH VIL IIN ISZ
Control pin input leakage current Off-state leakage current (switch off)
A A
Note 1: The typical values are at Ta = 25C. Note 2: Apply the specified current to the switch, then measure the voltages on pins A and B. The on-resistance is the lower of the two.
AC Characteristics (Ta = -40~85C)
Characteristics Symbol Test Condition VCC (V) 2.0 Figure 1, Figure 2 (Note) 3.3 0.3 5.0 0.5 2.0 Figure 1, Figure 3 3.3 0.3 5.0 0.5 2.0 Figure 1, Figure 3 3.3 0.3 5.0 0.5 Min Max 0.5 0.35 0.25 11.5 6 4.5 11.5 6.5 5 ns ns ns Unit
Propagation delay time (bus to bus)
tpLH tpHL
Output enable time
tpZL tpZH
Output disable time
tpLZ tpHZ
Note: The propagation delay time is calculated by the RC (on-resistance and load capacitance) time constant.
Capacitive Characteristics (Ta = 25C)
Characteristics Control pin input capacitance Switch terminal capacitance Symbol CIN CI/O OE = GND Test Condition (Note) (Note) VCC (V) 5.0 5.0 Typ. 3 10 Unit pF pF
Note: Guaranteed by design.
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AC Test Circuit
Open 2 x VCC GND Measure CL = 50 pF RL = 500 CL RL
Switch RL
Parameter tpLH, tpHL tpLZ, tpZL tpHZ, tpZH
Switch Open 2 x VCC GND
Output
Figure 1 AC Waveform
tr 2.5 ns Input (A, B) tf 2.5 ns 90% 50% 10% VCC GND VOH 50% tpLH tpHL VOL
Output (B, A)
Figure 2 tpLH, tpHL
tf 2.5 ns Output Enable (OE) tpLZ Output (A, B) Low to Off to Low tpHZ Output (A, B) High to Off to High Outputs enabled 90%
tr 2.5 ns 90% 50% 10% tpZL VOH 50% 10% tpZH VOL VOH 50% VOL Outputs disabled Outputs enabled VCC GND
Figure 3 tpLZ, tpHZ, tpZL, tpZH
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Package Dimensions
Weight: 0.01 g (typ.)
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RESTRICTIONS ON PRODUCT USE
* The information contained herein is subject to change without notice.
20070701-EN GENERAL
* TOSHIBA is continually working to improve the quality and 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 comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products 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 TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk. * The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties. * Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations.
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