TC7SPB9306,9307TU TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC7SPB9306TU,TC7SPB9307TU Low Voltage / Low Power 1-Bit Dual Supply Bus Switch The TC7SPB9306 and TC7SPB9307 are CMOS 1-bit TC7SPB9306TU,TC7SPB9307TU dual-supply bus switches that can provide an interface between two nodes at different voltage levels. These devices can be connected to two independent power supplies. VCCA supports 1.8-V, 2.5-V and 3.3-V power supplies, whereas VCCB supports 2.5-V, 3.3-V and 5.0-V power supplies. Bidirectional level-shifting is possible by simply adding external pull-up resistors between the A/B data lines and the VCCA/VCCB supplies. There is no restriction on the relative magnitude of the A and B voltages; both the A and B data lines Weight: 7 mg (typ.) can be pulled up to arbitrary power supplies. The enable signal can be used to disable the device so that the buses are effectively isolated. For the TC7SPB9306, Output Enable (OE) is active-High: When OE is High, the switch is on; when Low, the switch is off. For the TC7SPB9307, Output Enable ( OE ) is active-Low: When OE is Low, the switch is on; when High, the switch is off. The TC7SPB9306 and TC7SP9307 supports power-down protection at the OE ,OE input, with OE ,OE being 5.5-V tolerant. The channels consist of n-type MOSFETs. All the inputs provide protection against electrostatic discharge. Features • Operating voltage:1.8-V to 2.5-V, 1.8-V to 3.3-V, 1.8-V to 5.0-V, 2.5-V to 3.3-V, 2.5-V to 5.0-V or 3.3-V to 5.0-V bidirectional interface • Operating voltage: VCCA = 1.65 to 5.0 V, VCCB = 2.3 to 5.5 V • Low ON-resistance: RON = 5.0 Ω (typ.) (ON-resistance test circuit: VIS = 0 V, IIS = 30 mA, VCCA= 3.0 V , VCCB = 4.5 V) • ESD performance: Machine model ≥ ±200 V Human body model ≥ ±2000 V • 5.5-V tolerance and power-down protection at the Output Enable input. • Packages: UF6 1 2009-03-11 TC7SPB9306,9307TU Pin Assignment (top view) TC7SP9307TU TC7SP9306TU VCCB 6 OE 5 VCCB B 4 EPI B 4 OE 5 6 EPJ 1 2 VCCA GND 3 A 1 2 VCCA GND 3 A Truth Table Inputs(9306) Function OE Inputs(9307) OE Function L Disconnect L A port = B port H A port = B port H Disconnect Circuit Schematic TC7SPB9306TU TC7SPB9307TU VCCA OE VCCA VCCB Gate level converter A OE B VCCB Gate level converter A 2 B 2009-03-11 TC7SPB9306,9307TU Absolute Maximum Ratings (Note) Characteristics Symbol Rating VCCA −0.5 to 7.0 VCCB −0.5 to 7.0 Control input voltage VIN −0.5 to 7.0 V Switch input/output voltage VS −0.5 to 7.0 V Clump diode current IIK −50 mA Switch input/output current IS 64 mA ICCA ±25 ICCB ±25 Power dissipation PD 200 mW Storage temperature Tstg −65 to 150 °C Power supply voltage DC VCC/ground current per supply pin Unit V mA 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 1) Characteristics Symbol Rating VCCA 1.65 to 5.0 VCCB 2.3 to 5.5 Control input voltage VIN 0 to 5.5 V Switch input/output voltage VS 0 to 5.5 V Operating temperature Topr −40 to 85 °C Control input rise and fall times dt/dv 0 to 10 ns/V Power supply voltage (Note 2) Unit V Note 1: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs and bus inputs must be tied to either VCCA or GND. Note 2: The VCCA voltage must be lower than the VCCB voltage. 3 2009-03-11 TC7SPB9306,9307TU Application Circuit VCCB VCCA TC7SPB9306 TC7SPB9307 VCCA VCCB Rpu VCCA Rpu A VCCB B System System GND OE,OE TC7SPB9306 ON A and B can be used for bidirectional signal transmission. Figure 1 OFF TC7SPB9307 OFF ON Application Circuit Diagram The VCCA voltage must be lower than the VCCB voltage. Level-shifting functionality is enabled by adding pull-up resistors from A to VCCA or VCCB and from B to VCCB or VCCA, respectively. 4 2009-03-11 TC7SPB9306,9307TU Electrical Characteristics DC Characteristics (Ta = −40 to 85°C) Characteristics Symbol High-level Test Condition Control input voltage RON 1.65 ≤ VCCA < 2.3 2.3 ≤ VCCA < 5.0 Ta = −40 to 85°C Min Max VCCA to 5.5 0.8× VCCA ⎯ VCCA to 5.5 0.7× VCCA ⎯ VIS = 0V, IIS = 30mA (Figure 2) V 1.65 ≤ VCCA < 2.3 VCCA to 5.5 ⎯ 2.3 ≤ VCCA < 5.0 VCCA to 5.5 ⎯ 0.3× VCCA 1.65 2.3 ⎯ 16.0 2.3 3.0 ⎯ 11.0 3.0 4.5 ⎯ 8.0 0 0 ⎯ ±1.0 μA 1.65 to 5.0 VCCA to 5.5 ⎯ ±1.0 μA Ω Power off leakage current IOFF Switch-off leakage current ISZ Control input current IIN OE = 0 to 5.5V 1.65 to 5.0 VCCA to 5.5 ⎯ ±1.0 μA ICCBA OE = 0 or VCCA VCCB →VCCA 3.3 5.0 ⎯ 10.0 μA ICCA1 OE = VCCA or GND, IS=0 A 1.65 to 5.0 VCCA ⎯ 1.0 ICCB1 OE = VCCA or GND, IS=0 A 1.65 to 5.0 VCCA ⎯ 1.0 ICCA2 VCCA ≤ OE ≤ 5.5 V, IS=0 A 1.65 to 5.0 VCCA ⎯ ±1.0 ICCB2 VCCA ≤ OE ≤ 5.5 V, IS=0 A 1.65 to 5.0 VCCA ⎯ ±1.0 leakage current form VCCB to VCCA Quiescent supply current A, B = 0 to 5.5 V Unit 0.2× VCCA ⎯ VIL ON-resistance (Note) VCCB (V) ⎯ VIH Low-level VCCA (V) A, B = 0 to 5.5 V OE = VL ,OE=GND μA Note: ON-resistance is measured by measuring the voltage drop across the switch at the indicated current. Level Shift Characteristics (Ta = −40 to 85°C) Characteristics Symbol Input/Output Characteristics (Up Translation) VOHU (Note 1) Input/Output Characteristics (Down Translation) VOHD (Note 2) Test Condition VCCA (V) VCCB (V) A = VIN 1.65 SW = ON Ta = −40 to 85°C Min Max 3.0 to 5.5 1.4 ⎯ 2.3 4.5 to 5.5 2.05 ⎯ (Figure 7) 3.0 4.5 to 5.5 2.7 ⎯ A = VCCA 1.65 3.3 to 5.5 1.3 1.65 SW = ON 2.3 4.5 to 5.5 1.95 2.3 (Figure 9) 3.0 4.5 to 5.5 2.6 3.0 Unit V Note 1: The Input/Output Characateristics for up translation indicate the input voltages required to provide VCCA + 0.5 V on the outputs when measured using the test circuitry shown in Figure 7. Note 2: The Input/Output Characateristics for down translation indicate the voltages that cause the output voltages to saturate when measured using the test circuitry shown in Figure 9. 5 2009-03-11 TC7SPB9306,9307TU AC Characteristics (Ta = −40 to 85°C, Input: tr = tf = 2.0 ns, f=10 kHz) VCCA= 3.3 ± 0.3 V, VCCB= 5.0 ± 0.5 V Characteristics Symbol Propagation delay time Test Condition Min Max tpLH Figures 3 and 5 (Note) ⎯ 0.3 tpHL Figures 3 and 5 (Note) ⎯ 1.2 Output enable time tpZL Figures 4 and 6 ⎯ 9.0 Output disable time tpLZ Figures 4 and 6 ⎯ 11.0 (Bus to Bus) Propagation delay time (Bus to Bus) Unit ns 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 30 pF load capacitance, when driven by an ideal voltage the source (zero output impedance). VCCA= 2.5 ± 0.2 V, VCCB= 5.0 ± 0.5 V Characteristics Symbol Propagation delay time Test Condition Min Max tpLH Figures 3 and 5 (Note) ⎯ 0.35 tpHL Figures 3 and 5 (Note) ⎯ 1.8 Output enable time tpZL Figures 4 and 6 ⎯ 13.0 Output disable time tpLZ Figures 4 and 6 ⎯ 15.0 (Bus to Bus) Propagation delay time (Bus to Bus) Unit ns 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 30 pF load capacitance, when driven by an ideal voltage the source (zero output impedance). VCCA = 2.5 ± 0.2 V, VCCB= 3.3 ± 0.3 V Characteristics Symbol Propagation delay time Test Condition Min Max tpLH Figures 3 and 5 (Note) ⎯ 0.45 tpHL Figures 3 and 5 (Note) ⎯ 2.2 Output enable time tpZL Figures 4 and 6 ⎯ 17.0 Output disable time tpLZ Figures 4 and 6 ⎯ 19.0 (Bus to Bus) Propagation delay time (Bus to Bus) Unit ns 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 30 pF load capacitance, when driven by an ideal voltage the source (zero output impedance). Capacitive Characteristics (Ta = 25°C) Characteristics Symbol Control input capacitance CIN Switch input/output capacitance CI/O Test Condition Typ. VCCA (V) VCCB (V) 3.3 3.3 3 SW=ON 3.3 3.3 14 SW=OFF 3.3 3.3 7 6 Unit pF 2009-03-11 TC7SPB9306,9307TU DC Test Circuit VCCA VCCB VCCA VCCB A(B) IIS B(A) Ron = ΔV GND Figure 2 OE,OE ΔV IIS OE:L OE:H ON-resistance Test Circuit AC Test Circuits ・tpLH,HL VCCA VCCB VCCA VCCA VCCB VCCB VCCA VCCB RL=1kΩ RL=1kΩ Measure CL=30pF A(B) B(A) GND OE,OE Figure 3 Input Input OE:L OE:H A(B) B(A) GND OE,OE Measure CL=30pF OE:L OE:H tpLH, tpHL Test Circuits ・tpLZ,ZL VCCA VCCB VCCA VCCA VCCB VCCA VCCB VCCB RL=1kΩ Measure CL=30pF RL=1kΩ A(B) GND B(A) OE,OE Figure 4 Input A(B) B(A) GND OE,OE Measure CL=30pF Input tpLZ, tpZL Test Circuits 7 2009-03-11 TC7SPB9306,9307TU AC Waveform tf 2.0 ns tr 2.0 ns 10% GND VOH Output (B, A) 1/2 VCCA VOL tpHL tpLH Figure 5 tpLH, tpHL tf 2.0 ns tr 2.0 ns Output Enable Control OE / OE VCCA 90% 50% Input (A, B) VCCA 90% 50% 10% GND tpLZ tpZL VOH Output (A or B) Low to off to Low 50% 10% Outputs enabled Outputs disabled Figure 6 8 Outputs enabled tpLZ, tpZL 2009-03-11 TC7SPB9306,9307TU Level Shift Function (Used Pull-up Resistance) VCCA VCCB VCCA VCCB RL=1kΩ A(B) VIN B(A) VOH VM GND OE,OE Figure 7 OE:L OE:H Test Circuit VCCA=1.8V , Ta=25℃ 6.0 VCCB=5.5V VCCB=5.5V 5.0 4.0 3.0 VCCB=3.0V VCCB=2.3V 2.0 VOH (V) VOH (V) 5.0 4.0 2.0 1.0 0.0 0.0 1 2 3 VIN (V) 4 5 6 VCCB=3.3V 3.0 1.0 0 VCCA=2.3V , Ta=25℃ 6.0 0 1 2 3 VIN (V) 4 5 6 VCCA=3.0V , Ta=25℃ 6.0 VCCB=5.5V 5.0 VOH (V) VCCB=4.5V 4.0 3.0 2.0 1.0 0.0 0 1 2 3 VIN (V) 4 Figure 8 5 6 Input/Output Characteristics (Typ.) 9 2009-03-11 TC7SPB9306,9307TU Level Shift Function (Unused Pull-up Resistance) VCCA VCCB VCCA VCCB A(B) VIN B(A) VOH VM 1μA GND OE:L OE:H OE,OE Figure 9 Test Circuits VCCA=1.8V , Ta=25℃ 3.0 VCCA=2.3V , Ta=25℃ 3.0 2.5 2.5 2.0 2.0 VCCB=5.5V VCCB=3.0V 1.5 VCCB=2.3V VOH (V) VOH (V) VCCB=5.5V VCCB=3.3V 1.5 1.0 1.0 0.5 0.5 0.0 0.0 0 1 2 3 VIN (V) 4 5 VCCA=3.0V , Ta=25℃ 3.0 0 6 1 2 3 VIN (V) 4 5 6 VCCB=5.5V VCCB=4.5V VOH (V) 2.5 2.0 1.5 1.0 0.5 0.0 0 1 2 3 VIN (V) 4 Figure 10 5 6 Input/Output Characteristics (Typ.) 10 2009-03-11 TC7SPB9306,9307TU Package Dimensions UF6 Unit: mm Weight: 7 mg (typ.) 11 2009-03-11 TC7SPB9306,9307TU 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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