T74VCXHR162245 TOSHIBA | Alldatasheet
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CMOS Digital Integrated Circuits Silicon Monolithic T74VCXHR162245 Start of commercial production 2020-04 1. Functional Description
- Low-Voltage 16-Bit Bus Transceiver with Bushold and Series Resistor 2. General The T74VCXHR162245 is a high-performance CMOS 16-bit bus transceiver. Designed for use in 1.8 V, 2.5 V or 3.3 V systems, it achieves high-speed operation while maintaining the CMOS low power dissipation. This 16-bit bus transceiver is controlled by direction control (DIR) inputs and output enable ( OE) inputs which are common to each byte. It can be used as two 8-bit transceivers or one 16-bit transceiver. The direction of data transmission is determined by the level of the DIR inputs. The OE inputs can be used to disable the device so that the busses are effectively isolated. The 26 Ω series resistor helps reducing output overshoot and undershoot without external resistor. The A, B data inputs include active bushold circuitry, eliminating the need for external pull-up resistors to hold unused or floating data inputs at a valid logic level. All inputs are equipped with protection circuits against static discharge. 3. Features (Note) (1) Wide operating temperature range: Topr = -40 to 125 (Note 1) (2) 26 Ω series resistors on all outputs (3) Low-voltage operation: VCC = 1.8 to 3.6 V (4) Bushold on data inputs eliminating the need for external pull-up, pull-down resistors (5) High-speed operation: tpd = 3.4 ns (max) (VCC = 3.0 to 3.6 V) tpd = 4.3 ns (max) (VCC = 2.3 to 2.7 V) tpd = 5.7 ns (max) (VCC = 1.8 V) (6) Output current: IOH/IOL = ±12 mA (min) (VCC = 3.0 V) IOH/IOL = ±8 mA (min) (VCC = 2.3 V) IOH/IOL = ±4 mA (min) (VCC = 1.8 V) (7) 3.6-V tolerant control inputs Note: Do not apply a signal to any bus pins when it is in the output mode. Damage may result. Note 1: Operating Range spec of Topr = -40 to 125 is applicable only for the products which manufactured after April 2020. 4. Packaging TSSOP48 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
- Pin Assignment 6. Marking 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
- IEC Logic Symbol 8. Truth Table Inputs 1OE 2OE L L H Inputs 1DIR 2DIR L H X Outputs A = B B = A Z Function Bus 1A1-1A8 Bus 2A1-2A8 Output Input Z Function Bus 1B1-1B8 Bus 2B1-2B8 Input Output Z X: Don't care Z: High impedance 9. System Diagram 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
- Absolute Maximum Ratings (Note) Characteristics Supply voltage Input voltage (DIR/OE) Bus I/O voltage Input diode current Output diode current Output current Power dissipation VCC/ground current (per supply pin) Storage temperature Symbol VCC VIN VI/O IIK IOK IOUT PD ICC/IGND Tstg Note (Note 1) (Note 2) (Note 3) (Note 4) Rating -0.5 to 4.6 -0.5 to 4.6 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 -50 ±50 ±50 400 ±100 -65 to 150 Unit V V V mA mA mA mW 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). Note 1: Output in OFF state. Note 2: High (H) or Low (L) state. IOUT absolute maximum rating must be observed. Note 3: VOUT < GND, VOUT > VCC Note 4: 400 mW in the range of Ta = -40 to 85 . From Ta = 85 to 125 a derating factor of -6.25 mW/ shall be applied until 150 mW. 11. Operating Ranges (Note) Characteristics Supply voltage Input voltage (DIR/OE) Bus I/O voltage Output current Operating temperature Input rise and fall times Symbol VCC VIN VI/O IOH,IOL Topr dt/dv Note (Note 1) (Note 2) (Note 3) (Note 4) (Note 5) (Note 6) (Note 7) (Note 8) Rating 1.8 to 3.6 1.2 to 3.6 -0.3 to 3.6 0 to VCC 0 to VCC ±12 -40 to 125 0 to 10 Unit V V V mA ns/V Note: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs and bus inputs must be tied to either VCC or GND. Please connect both bus inputs and the bus outputs with VCC or GND when the I/O of the bus terminal changes by the function. In this case, please note that the output is not short-circuited. Note: Floating or unused control inputs must be held high or low. Note 1: Data retention only. Note 2: Output in OFF state. Note 3: High (H) or Low (L) state. Note 4: VCC = 3.0 to 3.6 V Note 5: VCC = 2.3 to 2.7 V Note 6: VCC = 1.8 V Note 7: Operating Range spec of Topr = -40 to 125 is applicable only for the products which manufactured after April 2020. Note 8: VIN = 0.8 to 2.0 V , VCC = 3.0 V 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
- Electrical Characteristics 12.1. DC Characteristics (Unless otherwise specified, T a = -40 to 85 ) Characteristics High-level input voltage Low-level input voltage High-level output voltage Low-level output voltage Input leakage current (DIR/OE) Bushold input minimum drive hold current Bushold input over-drive current to change state 3-state output OFF-state leakage current Quiescent supply current Symbol VIH VIL VOH VOL IIN II(HOLD) II(OD) IOZ ICC ∆ICC Note (Note 1) Test Condition VIN = VIH or VIL VIN = VIH or VIL VIN = 0 to 3.6 V VIN = 0.36 V VIN = 1.26 V VIN = 0.7 V VIN = 1.6 V VIN = 0.8 V VIN = 2.0 V VIN = L → H VIN = H → L VIN = L → H VIN = H → L VIN = L → H VIN = H → L VIN = VIH or VIL VOUT = 0 to 3.6 V VIN = VCC or GND VIH = VCC - 0.6 V (per input) IOH = -100 µA IOH = -4 mA IOH = -6 mA IOH = -8 mA IOH = -12 mA IOL = 100 µA IOL = 4 mA IOL = 6 mA IOL = 8 mA IOL = 12 mA VCC (V) 1.8 to 2.3 2.3 to 2.7 2.7 to 3.6 1.8 to 2.3 2.3 to 2.7 2.7 to 3.6 1.8 to 3.6 1.8 2.3 2.3 2.7 2.3 3.0 3.0 1.8 to 3.6 1.8 2.3 2.7 2.3 3.0 3.0 1.8 to 3.6 1.8 1.8 2.3 2.3 3.0 3.0 1.8 1.8 2.3 2.3 3.6 3.6 1.8 to 3.6 1.8 to 3.6 2.7 to 3.6 Min VCC × 0.7 1.6 2.0 VCC - 0.2 1.4 2.0 1.8 2.2 1.7 2.4 2.2 -25 -45 -75 Max VCC × 0.2 0.7 0.8 0.2 0.3 0.4 0.4 0.6 0.55 0.8 ±5.0 200 -200 300 -300 500 -500 ±10.0 20.0 750 Unit V V V V µA µA µA µA µA Note 1: It is a necessary electric current to change the input in "L" or "H". 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
12.2. DC Characteristics (Note) (Unless otherwise specified, T a = -40 to 125 ) Characteristics High-level input voltage Low-level input voltage High-level output voltage Low-level output voltage Input leakage current (DIR/OE) Bushold input minimum drive hold current Bushold input over-drive current to change state 3-state output OFF-state leakage current Quiescent supply current Symbol VIH VIL VOH VOL IIN II(HOLD) II(OD) IOZ ICC ∆ICC Note (Note 1) Test Condition VIN = VIH or VIL VIN = VIH or VIL VIN = 0 to 3.6 V VIN = 0.36 V VIN = 1.26 V VIN = 0.7 V VIN = 1.6 V VIN = 0.8 V VIN = 2.0 V VIN = L → H VIN = H → L VIN = L → H VIN = H → L VIN = L → H VIN = H → L VIN = VIH or VIL VOUT = 0 to 3.6 V VIN = VCC or GND VIH = VCC - 0.6 V (per input) IOH = -100 µA IOH = -4 mA IOH = -6 mA IOH = -8 mA IOH = -12 mA IOL = 100 µA IOL = 4 mA IOL = 6 mA IOL = 8 mA IOL = 12 mA VCC (V) 1.8 to 2.3 2.3 to 2.7 2.7 to 3.6 1.8 to 2.3 2.3 to 2.7 2.7 to 3.6 1.8 to 3.6 1.8 2.3 2.3 2.7 2.3 3.0 3.0 1.8 to 3.6 1.8 2.3 2.7 2.3 3.0 3.0 1.8 to 3.6 1.8 1.8 2.3 2.3 3.0 3.0 1.8 1.8 2.3 2.3 3.0 3.0 1.8 to 3.6 1.8 to 3.6 2.7 to 3.6 Min VCC × 0.7 1.6 2.0 VCC - 0.2 1.4 2.0 1.8 2.2 1.7 2.4 2.2 -25 -45 -75 Max VCC × 0.2 0.7 0.8 0.2 0.3 0.4 0.4 0.6 0.55 0.8 ±20.0 200 -200 300 -300 500 -500 ±40.0 80.0 1.5 Unit V V V V µA µA µA µA µA mA Note: Operating Range spec of Topr = -40 to 125 is applicable only for the products which manufactured after April 2020. Note 1: It is a necessary electric current to change the input in "L" or "H". 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
12.3. AC Characteristics (Unless otherwise specified, T a = -40 to 85 ) Characteristics Propagation delay time 3-state output enable time 3-state output disable time Output skew Symbol tPLH,tPHL tPZL,tPZH tPLZ,tPHZ tosLH,tosHL Note (Note 1) Test Condition See 12.7 AC Test Circuit, Table 12.8.1 See 12.7 AC Test Circuit, Table 12.8.1 See 12.7 AC Test Circuit, Table 12.8.1 VCC (V) 1.8 ± 0.15 2.5 ± 0.2 3.3 ± 0.3 1.8 ± 0.15 2.5 ± 0.2 3.3 ± 0.3 1.8 ± 0.15 2.5 ± 0.2 3.3 ± 0.3 1.8 ± 0.15 2.5 ± 0.2 3.3 ± 0.3 Min 1.5 1.0 0.8 1.5 1.0 0.8 1.5 1.0 0.8 Max 5.7 4.3 3.4 7.6 5.7 4.2 5.7 4.8 4.1 0.5 0.5 0.5 Unit ns ns ns ns Note 1: Parameter guaranteed by design. (tosLH = |tPLHm-tPLHn|, tosHL = |tPHLm-tPHLn|) 12.4. AC Characteristics (Note) (Unless otherwise specified, T a = -40 to 125 ) Characteristics Propagation delay time 3-state output enable time 3-state output disable time Output skew Symbol tPLH,tPHL tPZL,tPZH tPLZ,tPHZ tosLH,tosHL Note (Note 1) Test Condition See 12.7 AC Test Circuit, Table 12.8.1 See 12.7 AC Test Circuit, Table 12.8.1 See 12.7 AC Test Circuit, Table 12.8.1 VCC (V) 1.8 ± 0.15 2.5 ± 0.2 3.3 ± 0.3 1.8 ± 0.15 2.5 ± 0.2 3.3 ± 0.3 1.8 ± 0.15 2.5 ± 0.2 3.3 ± 0.3 1.8 ± 0.15 2.5 ± 0.2 3.3 ± 0.3 Min 1.5 1.0 0.8 1.5 1.0 0.8 1.5 1.0 0.8 Max 6.8 5.1 4.1 9.0 6.8 5.0 6.8 5.7 4.9 1.0 1.0 1.0 Unit ns ns ns ns Note: Operating Range spec of Topr = -40 to 125 is applicable only for the products which manufactured after April 2020. Note 1: Parameter guaranteed by design. (tosLH = |tPLHm-tPLHn|, tosHL = |tPHLm-tPHLn|) 12.5. Dynamic Switching Characteristics (Note) (Unless otherwise specified, T a = 25 , Input: t r = t f = 2.0 ns, C L = 30 pF) Characteristics Quiet output maximum dynamic VOL Quiet output minimum dynamic VOL Quiet output minimum dynamic VOH Symbol VOLP VOLV VOHV Test Condition VIH = 1.8 V, VIL = 0 V VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V VIH = 1.8 V, VIL = 0 V VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V VIH = 1.8 V, VIL = 0 V VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V VCC (V) 1.8 2.5 3.3 1.8 2.5 3.3 1.8 2.5 3.3 Typ. 0.15 0.25 0.35 -0.15 -0.25 -0.35 1.55 2.05 2.65 Unit V V V Note: Parameter guaranteed by design. 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
12.6. Capacitive Characteristics (Unless otherwise specified, T a = 25 ) Characteristics Input capacitance Bus I/O capacitance Power dissipation capacitance Symbol CIN CI/O CPD Note (Note 1) Test Condition fIN = 10 MHz VCC (V) 1.8, 2.5, 3.3 1.8, 2.5, 3.3 1.8, 2.5, 3.3 Typ. Unit pF pF pF Note 1: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation. ICC(opr) = CPD × VCC × fIN + ICC/8 (per gate) 12.7. AC Test Circuit Table 12.7.1 Parameter for AC Test Circuit Parameter tPLH, tPHL tPLZ, tPZL tPHZ, tPZH Switch OPEN 6.0 V VCC × 2 GND Test Condition VCC = 3.3 ± 0.3 V VCC = 2.5 ± 0.2 V VCC = 1.8 ± 0.15 V 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
12.8. AC Waveform Fig. 12.8.1 tPLH, tPHL Fig. 12.8.2 tPLZ, tPHZ, tPZL, tPZH Table 12.8.1 AC Waveform Symbols Input Output Load Symbol VIH VM tr, tf VM VX VY CL RL VCC = 3.3 ± 0.3 V 2.7 V 1.5 V 2.0 ns 1.5 V VOL + 0.3 V VOH - 0.3 V 30 pF 500 Ω VCC = 2.5 ± 0.2 V VCC VCC/2 2.0 ns VCC/2 VOL + 0.15 V VOH - 0.15 V 30 pF 500 Ω VCC = 1.8 ± 0.15 V VCC VCC/2 2.0 ns VCC/2 VOL + 0.15 V VOH - 0.15 V 30 pF 500 Ω 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
Unit: mm Weight: 0.25 g (typ.) Package Name(s) Nickname: TSSOP48 2021-05-18 Rev.3.0 ©2020-2021 Toshiba Electronic Devices & Storage Corporation
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