TC7MBD3245AFK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC7MBD3245AFK Octal Bus Switch The TC7MBD3245AFK provides eight bits of high-speed TTL-compatible bus switching in a standard ’245 device pinout. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. The device is organized as one 8-bit switch. When output enable (OE) is low, the switch is on and port A is connected to port B. When OE is high, the switch is open and a high-impedance state exists between the two ports. The device 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. Features Weight: 0.03 g (typ.) Pin Assignment (top view) · Operating voltage: VCC = 4.5~5.5 V · High speed: tpd = 0.32 ns (max) · Low on resistance: RON = 5 Ω (typ.) NC 1 20 VCC · ESD performance: Human body model > ±2000 V A1 2 19 OE A2 3 18 B1 A3 4 17 B2 A4 5 16 B3 A5 6 15 B4 A6 7 14 B5 A7 8 13 B6 A8 9 12 B7 GND 10 11 B8 Machine model > ±200 V · Compatible with TTL outputs (control inputs) · Low Power Dissipation: Icc = 10 mA (max.) · Package: VSSOP (US20) · Pin compatible with the 74xx245 type. · Functionally equivalent to (FST/CBT) 3245. (top view) NC-No Internal Connection 1 2002-10-0 TC7MBD3245AFK Truth Table Inputs Function OE L A port = B port H Disconnect System Diagram A1 B1 A8 B8 OE Maximum Ratings Characteristics Symbol Rating Unit Power supply range VCC -0.5~7.0 V DC input voltage VIN -0.5~7.0 V DC switch voltage VS -0.5~7.0 V Input diode current IIK -50 mA Continuous channel circuit IS 128 mA Power dissipation PD 180 mW ICC/IGND ±100 mA Tstg -65~150 °C Symbol Rating Unit Supply voltage VCC 4.5~5.5 V Input voltage VIN 0~5.5 V Switch voltage VS 0~5.5 V Operating temperature Topr -40~85 °C Input rise and fall time dt/dv 0~10 ns/V DC VCC/ground current Storage temperature Recommended Operating Conditions Characteristics 2 2002-10-0 TC7MBD3245AFK Electrical Characteristics DC Characteristics (Ta = -40~85°C) Characteristics Min Typ. (Note 1) Max 4.5~5.5 2.0 ¾ ¾ 4.5~5.5 ¾ ¾ 0.8 4.75 2.3 2.8 3.2 5.0 2.5 3.0 3.4 5.25 2.7 3.2 3.6 4.5~5.5 ¾ ¾ ±1.0 mA 0 ¾ ¾ ±1.0 mA 4.5~5.5 ¾ ¾ ±1.0 mA 4.5 ¾ 5 9 4.75 ¾ 5 8 4.5 ¾ 5 9 4.75 ¾ 5 8 4.5 ¾ 35 65 4.75 ¾ 35 50 VIN = VCC or GND,IOUT = 0 5.5 ¾ ¾ 10 mA VIN = 3.4 V (one input) 5.5 ¾ ¾ 2.5 mA Symbol Test Condition “H” level VIH ¾ “L” level VIL ¾ Input voltage Input leakage current VOH IIN Power off leakage current Off-STATE leakage current (switch off) VIS = VCC VIN = 0~5.5 V IOFF A, B, OE = 0~5.5 V ISZ A, B = 0~5.5 V, OE = VCC IIS = 64 mA VIS = 0 V ON resistance (Note 3) IIS = 30 mA RON VIS = 2.3 V, IIS = 15 mA Quiescent supply current Increase in ICC per input Unit V IOH=-1mA High-level output voltage (Note 2) VCC (V) ICC DICC V W Note 1: Typical values are at VCC = 5 V, Ta = 25°C. Note 2: It recommends that this device uses Pull-up resistance when adding and using resistance for an output terminal. Since it couses to drop a VOH voltage level when using Pull-down resistance for an output terminal. Note 3: 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. AC Characteristics (Ta = -40~85°C) Characteristics Propagation delay time tpLH (bus to bus) tpHL Output enable time Min Max Unit 4.5 ¾ 0.32 ns Figure 1, Figure 3 4.5 ¾ 7.0 ns Figure 1, Figure 3 4.5 ¾ 7.0 ns Symbol tpZL Test Condition Figure 1, Figure 2 VCC (V) (Note 4) tpZH Output disable time tpLZ tpHZ Note 4: The propagation delay time is calculated by the RC (on-resistance and load capacitance) time constant. Capacitive Characteristics (Ta = 25°C) Characteristics Symbol Control pin input capacitance CIN Switch terminal capacitance CI/O Test Condition OE = VCC VCC (V) Typ. Unit (Note 5) 5.0 3 pF (Note 5) 5.0 10 pF Note 5: This parameter is guaranteed by design. 3 2002-10-0 TC7MBD3245AFK AC Test Circuit RL Switch Open 7.0 V GND Measure RL CL Output CL = 50 pF RL = 500 W Paramenter Switch tpLH, tpHL Open tpLZ, tpZL 7.0 V tpHZ, tpZH Open Figure 1 AC Waveform tf 2.5 ns tr 2.5 ns 3.0 V 90% 1.5 V Input (A, B) 10% GND VOH Output (B, A) 1.5 V tpLH Figure 2 VOL tpHL tpLH, tpHL 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) Low to Off to Low 1.5 V tpHZ VOL + 0.3 V VOL tpZH VOH VOH - 0.3 V Output (A, B) High to Off to High 1.5 V GND Outputs enabled Figure 3 Outputs disabled Outputs enabled tpLZ, tpHZ, tpZL, tpZH 4 2002-10-0 TC7MBD3245AFK VOH – VCC Characteristics (typ.) (mA) Ta = 25°C 4.0 3.5 High-level output current IOH High-level output voltage VOH (V) 4.5 1mA 100 mA 3.0 6 mA 12 mA 24 mA 2.5 2.0 1.5 4.50 4.75 5.00 5.25 5.50 Ta = 25°C 0 -0.2 -0.4 -0.6 -1.0 2.0 5.75 VCC=4.5V VCC=4.75V VCC=5.0V VCC=5.25V VCC=5.5V -0.8 2.5 3.0 3.5 4.0 5.0 High-level output voltage VOH (V) Power supply voltage VCC (V) (mA) Ta = 85°C 4.0 3.5 High-level output current IOH High-level output voltage VOH (V) 4.5 1mA 100 mA 3.0 6 mA 12 mA 24 mA 2.5 2.0 1.5 4.50 4.75 5.00 5.25 5.50 Ta = 85°C 0 -0.2 -0.4 -0.6 -0.8 -1.0 2.0 5.75 VCC=4.5V VCC=4.75V VCC=5.0V VCC=5.25V VCC=5.5V Power supply voltage VCC (V) 2.5 3.0 3.5 4.0 5.0 High-level output voltage VOH (V) (mA) Ta = -40°C 4.0 High-level output current IOH High-level output voltage VOH (V) 4.5 3.5 1mA 100 mA 3.0 6 mA 12 mA 24 mA 2.5 2.0 1.5 4.50 4.75 5.00 5.25 5.50 Ta = -40°C 0 -0.2 -0.4 -0.6 -1.0 2.0 5.75 Power supply voltage VCC (V) VCC=4.5V VCC=4.75V VCC=5.0V VCC=5.25V VCC=5.5V -0.8 2.5 3.0 3.5 4.0 5.0 High-level output voltage VOH (V) Figure 4 5 2002-10-0 TC7MBD3245AFK Package Dimensions Weight: 0.03 g (typ.) 6 2002-10-0 TC7MBD3245AFK RESTRICTIONS ON PRODUCT USE 000707EBA · 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 this document shall be made at the customer’s own risk. · 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. 7 2002-10-0