PI4ULS3V502 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 280Mb/s Bi-directional Level Translator for Push-Pull Applications Features Description 0.85V to 2.7V on A Port and 1.35V to 3.6V on B Port VCCA may be greater than, equal to, or less than VCCB High-Speed with 280 Mb/s Guaranteed Date Rate 30 pF Capacitive Drive Capability Low Bit-to-Bit Skew Overvoltage Tolerant Enable and I/O Pins Non-preferential Power-Up Sequencing Power-Off Protection Package: UDFN1.2x1.6-8L The PI4ULS3V502 is a 2-bit configurable dualsupply autosensing bidirectional level translator that does not require a direction control pin. The B and A ports are designed to track two different power supply rails, VCCB and VCCA respectively. The PI4ULS3V502 offers the feature that the values of the VCCB and VCCA supplies are independent. Design flexibility is maximized because VCCA can be set to a value either greater than or less than the VCCB supply. The PI4ULS3V502 has high output current capability, which allows the translator to drive high capacitive loads such as most high frequency EMI filters. Another feature of the PI4ULS3V502 is that each An and Bn channel can function as either an input or an output. An Output Enable (EN) input is available to reduce the power consumption. The EN pin can be used to disable both I/O ports by putting them in 3-state which significantly reduces the supply current. PI4ULS3V502 is 2 kV System-Level ESD Capable. Applications Mobile Phones, PDAs Other Portable Devices Pin Configuration Pin Description Pin No. UDFN1.2*1.6-8L(Top View) 2014-01-0006 Pin Name Type 1 VCCA Power 2 A1 I/O 3 A2 I/O 4 GND GND 5 EN Input 6 7 B2 B1 I/O I/O 8 VCCB Power Description A-port supply voltage.0.85V ≤ VCCA ≤ 2.7V Input/output A. Referenced to VCCA. Input/output A. Referenced to VCCA. Ground. Output enable (active High). Pull EN low to place all outputs in 3state mode. Input/output B. Referenced to VCCB Input/output B. Referenced to VCCB B-port supply voltage. 1.35 V ≤ VCCB ≤ 3.6V PT0475-1 1 02/18/14 PI4ULS3V502 280Mb/s Bi-directional Level Translator for Push-Pull Applications ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Block Diagram Figure 1: Block Diagram Maximum Ratings Storage Temperature ................................................................................... -65oC to +150oC DC Supply Voltage port B..............................................................................-0.5V to +4.6V DC Supply Voltage port A ..............................................................................-0.5V to+3.6V Vi(A) referenced DC Input / Output Voltage..............................................-0.5V to +3.6V Vi(B) referenced DC Input / Output Voltage...............................................-0.5V to+4.6V Enable Control Pin DC Input Voltage....................................................-0.5V to+3.6V DC Input Diode Current(VI<GND)...................................................................-50mA DC Output Diode Current(VO<GND)...............................................................-50mA DC Supply Current through VCCB...................................................................±100mA DC Supply Current through VCCA...................................................................±100mA DC Ground Current through Ground Pin .......................................................±100mA Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Recommended operation conditions Symbol Parameter Min Typ Max Unit VCCA A-side Positive DC Supply Voltage 0.85 - 2.7 V VCCB B-side Positive DC Supply Voltage 1.35 - 3.6 V VI Enable Control Pin Voltage GND - 2.7 V VIO Bus Input/Output Pin Voltage I/O A GND - 2.7 V I/O B GND - 3.6 V TA Operating Temperature Range -40 - +85 °C 0 - 10 ns At/Av Input Transition Rise or Rate, VI, VIO from 30% to 70% of VCC; VCC= 3.3 V ±0.3 V 2014-01-0006 PT0475-1 2 02/18/14 PI4ULS3V502 280Mb/s Bi-directional Level Translator for Push-Pull Applications ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| DC Electrical Characteristics Sym Parameter Test Conditions*1 VCCB*2 (V) VCCA*3 (V) -40°C to +85°C Typ*4 Min Max Unit B port Input HIGH Voltage - 1.35-3.6 0.85-2.7 2/3*VCCB - - V VILB B port Input LOW Voltage - 1.35-3.6 0.85-2.7 - - 1/3* VCCB V VIHA A port Input HIGH Voltage - 1.35-3.6 0.85-2.7 2/3*VCCA - - V VILA A port Input LOW Voltage - 1.35-3.6 0.85-2.7 - - 1/3 * VCCA V VIHB VIH Control Pin Input HIGH Voltage TA = +25°C 1.35-3.6 0.85-2.7 2/3*VCCA - - V VIL Control Pin Input LOW Voltage TA = +25°C 1.35-3.6 0.85-2.7 - - 1/3 * VCCA V VOHB B port Output HIGH Voltage B port source current = 20µA 1.35-3.6 0.85-2.7 0.9*VCCB - - V VOLB B port Output LOW Voltage B port sink current = 20µA 1.35-3.6 0.85-2.7 - - 0.2 V VOHA A port Output HIGH Voltage A port source current= 20µA 1.35-3.6 0.85-2.7 0.9*VCCA - - V VOLA A port Output LOW Voltage A port sink current = 20µA 1.35-3.6 0.85-2.7 - - 0.2 V EN = VCCA,IO = 0A, (I/O_B= 0V or VCCB, I/O_A= float) or ( I/O_B = float, I/O_A = 0V or VCCA) 1.35-3.6 0.85-2.7 - - 1.5 µA 1.35-3.6 0.85-2.7 - - 1 µA 1.35-3.6 0.85-2.7 - - 1.5 µA 1.35-3.6 0.85-2.7 - - 0.5 µA TA= +25°C, EN= 0V 1.35-3.6 0.85-2.7 - - ±1 µA TA = +25°C 1.35-3.6 0.85-2.7 - - ±1 µA 0 - - 2 0 - - 2 - - 2 IQVB VCCB Supply Current IQVA VCCA Supply Current ITS-B ITS-A IOZ II B port Tristate Output Mode Supply Current TA=+25°C, EN=0V ( I/O_B = 0V or VCCB, I/O_A = float) or A port Tristate Output ( I/O_B = float, I/O_A = 0V or V ) CCA Mode Supply Current I/O Tristate Output Mode Leakage Current Control Pin Input Current 0 IOFF Power Off Leakage Current I/O_B = 0 to 3.6V, I/O_A = 0 to 2.5V 1.35-3.6 0 0.85-2.7 µA Note: 1. Normal test conditions are VI= 0 V, CIOB ≤ 15 pF and CIOA≤ 15 pF, unless otherwise specified. 2.VCCB is the supply voltage associated with the I/O B port, and B ranges from +1.35V to 3.6V under normal operating conditions. 3.VCCA is the supply voltage associated with the I/O A port, and A ranges from +0.85V to 2.7V under normal operating conditions. 4. Typical values are for VCCB= +2.8V, VCCA = +1.8V and TA = +25°C. All units are production tested at T A = +25°C. Limits over the operatingtemperature range are guaranteed by design. 2014-01-0006 PT0475-1 3 02/18/14 PI4ULS3V502 280Mb/s Bi-directional Level Translator for Push-Pull Applications ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| AC Electrical characteristics Timing Characteristics Symbol Parameter tR−B I/O B Rise Time CIOB = 15 pF tF−B I/O B Fall Time CIOB = 15 pF tR−A I/O A Rise Time CIOA = 15 pF tF−A I/O A Fall Time CIOA = 15 pF ZOB I/O B One−Shot Output Impedance *5 ZOA I/O A One−Shot Output Impedance tPD_A−B tPD_B−A tSK tEN-B (tPZH) tEN-B (tPZL) tEN-A (tPZH) tEN-A (tPZL) Propagation Delay (Driving I/O B) Propagation Delay (Driving I/O AL) VCCB (V)*2 VCCA(V)*3 Test Conditions*1 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.5 2.5 3.6 *5 CIOB = 30 pF CIOA = 15 pF CIOA = 30 pF Channel-to-Channel C = 15 pF, C = 15 pF *5 IOB IOA Skew I/O_B Output Enable Time I/O_A Output Enable Time CIOB = 15pF, I/O_A = VCCA CIOB = 15pF, I/O_A = 0V CIOA = 15pF, I/O_B = VCCB CIOA = 15pF, I/O_B = 0V tDIS-B (tPHZ) I/O_B Output Disable CIOB = 15pF, I/O_A =VCC A Time tDIS-B (tPLZ) CIOB = 15pF, I/O_A = 0V tDIS-A (tPHZ) tDIS-A (tPLZ) I/O_A Output Disable Time CIOA = 15pF, I/O_B =VCCB CIOA = 15pF, I/O_B = 0V CIO = 15pF MDR Maximum Data Rate CIO = 30pF 0.9 - 2.5 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.5 1.8 3.6 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 1.35 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.35 - 3.6 2.5 - 3.6 1.5 – 3.3 CIOB = 15 pF 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 −40°C to +85°C Unit Min Typ*4 Max 1.4 8.5 ns 1.4 3.5 1.2 8.5 ns 1.2 3.5 1.3 8.5 ns 1.3 3.5 1.6 8.5 ns 1.6 3.5 37 Ω 20 15 52 Ω 17 15 - - 35 10 35 10 35 10 35 10 0.85 - 2.7 - - 0.15 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 0.85 - 2.7 1.8 - 2.7 133 280 80 200 240 80 130 100 - 400 160 150 130 250 160 200 130 210 210 175 175 210 210 175 175 - ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns mbps mbps mbps mbps Notes: 1. Normal test conditions are VI= 0 V, CIOB ≤ 15 pF and CIOA ≤ 15 pF, unless otherwise specified. 2. V C C B is the supply voltage associated with the I/O B port, and B ranges from +1.35 V to 3.6V under normal operating conditions. 3. V C C A is the supply voltage associated with the I/O A port, and A ranges from +0.85 V to 2.7V under normal operating conditions. 2014-01-0006 PT0475-1 4 02/18/14 PI4ULS3V502 280Mb/s Bi-directional Level Translator for Push-Pull Applications ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 4. Typical values are for B = +2.8 V, A = +1.8 V and TA = +25°C. All units are production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design. 5. Guaranteed by design. Power Consumption (TA =25°C) Symbol*1 CPD_VCCA CPD_VCCB CPD_VCCA CPD_VCCB Parameter A = Input port, B = Output Port B = Input port, A = Output Port A = Input port, B = Output Port B = Input port, A = Output Port A = Input port, B = Output Port B = Input port, A = Output Port A = Input port, B = Output Port B = Input port, A = Output Port Test Conditions VCCB (V)*2 VCCA (V)*3 Typ*4 Unit CLoad = 0, f = 1MHz, EN = VCCA (outputs enabled) 1.35 - 3.6 0.85 - 2.7 40 pF CLoad = 0, f = 1MHz, EN = VCCA (outputs enabled) 1.35 - 3.6 0.85 - 2.7 40 pF CLoad = 0, f = 1MHz, EN = VCCA (outputs enabled) 1.35 - 3.6 0.85 - 2.7 40 pF CLoad = 0, f = 1MHz, EN = VCCA (outputs enabled) 1.35 - 3.6 0.85 - 2.7 40 pF CLoad = 0, f = 1MHz, EN = GND (outputs disabled) 1.35 - 3.6 0.85 - 2.7 1 pF CLoad = 0, f = 1MHz, EN = GND (outputs disabled) 1.35 - 3.6 0.85 - 2.7 1 pF CLoad = 0, f = 1MHz, EN = GND (outputs disabled) 1.35 - 3.6 0.85 - 2.7 1 pF CLoad = 0, f = 1MHz, EN = GND (outputs disabled) 1.35 - 3.6 0.85 - 2.7 1 pF Notes: 1. CPD_VCCA and CPD_VCCB are defined as the value of the IC’s equivalent capacitance from which the operating current can be calculated for the A and B power supplies, respectively. ICC = ICC (dynamic) + ICC (static) ≈ICC(operating) ≈CPD x VCC x fIN x NSW where ICC = ICC_VCCB+ ICC_VCCA and NSW = total number of outputs switching. 2. VCCB is the supply voltage associated with the I/O B port, and VCCB ranges from +1.35V to 3.6V under normal operating conditions. 3. VCCA is the supply voltage associated with the I/O A port, and VCCA ranges from +0.8 V to 2.7V under normal operating conditions. 4. Typical values are at TA = +25°C. 2014-01-0006 PT0475-1 5 02/18/14 PI4ULS3V502 280Mb/s Bi-directional Level Translator for Push-Pull Applications ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Test Circuits 2014-01-0006 PT0475-1 6 02/18/14 PI4ULS3V502 280Mb/s Bi-directional Level Translator for Push-Pull Applications ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Typical Applications 2014-01-0006 PT0475-1 7 02/18/14 PI4ULS3V502 280Mb/s Bi-directional Level Translator for Push-Pull Applications ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Functional Description The PI4ULS3V502 is a 2-bit configurable dual-supply autosensing bidirectional level translator that does not require a direction control pin. The B and A ports are designed to track two different power supply rails, VCCB and VCCA respectively. The PI4ULS3V502 offers the feature that the values of the VCCB and VCCA supplies are independent. Design flexibility is maximized because VCCA can be set to a value either greater than or less than the VCCB supply. The PI4ULS3V502 has high output current capability, which allows the translator to drive high capacitive loads such as most high frequency EMI filters. Another feature of the PI4ULS3V502 is that each An and Bn channel can function as either an input or an output. An Output Enable (EN) input is available to reduce the power consumption. The EN pin can be used to disable both I/O ports by putting them in 3-state which significantly reduces the supply current. Application Information Level Translator Architecture The PI4ULS3V502 auto-sense translator provides bi-directional logic voltage level shifting to transfer data in multiple supply voltage systems. These level translators have two supply voltages, V CCA and VCCB, which set the logic levels on the input and output sides of the translator. When used to transfer data from the I/O VCCA to the I/O VCCB ports, input signals referenced to the VCCA supply are translated to output signals with a logic level matched to VCCB. In a similar manner, the I/O VCCB to I/O VCCA translation shifts input signals with a logic level compatible to VCCB to an output signal matched to VCCA. The PI4ULS3V502 translator consists of bi-directional channels that independently determine the direction of the data flow without requiring a directional pin. One-shot circuits are used to detect the rising or falling input signals. In addition, the one-shots decrease the rise and fall times of the output signal for high-to-low and low-to-high transitions. Input Driver Requirements Auto-sense translators such as the PI4ULS3V502 have a wide bandwidth, but a relatively small DC output current rating. The high bandwidth of the bi-directional I/O circuit is used to quickly transform from an input to an output driver and vice versa. The I/O ports have a modest DC current output specification so that the output driver can be over driven when data is sent in the opposite direction. For proper operation, the input driver to the auto−sense translator should be capable of driving 3mA of peak output current. The bi-directional configuration of the translator results in both input stages being active for a very short time period. Although the peak current from the input signal circuit is relatively large, the average current is small and consistent with a standard CMOS input stage. Enable Input (EN) The PI4ULS3V502 translator has an Enable pin (EN) that provides tri−state operation at the I/O pins. Driving the Enable pin to a low logic level minimizes the power consumption of the device and drives the I/O VCCB and I/O VCCA pins to a high impedance state. Normal translation operation occurs when the EN pin is equal to a logic high signal. The EN pin is referenced to the VCCA supply and has Over-Voltage Tolerant (OVT) protection. Uni-Directional versus Bi-Directional Translation The PI4ULS3V502 translator can function as a non-inverting uni-directional translator. One advantage of using the translator as a uni-directional device is that each I/O pin can be configured as either an input or output. The configurable input or output feature is especially useful in applications such as SPI that use multiple uni-directional I/O lines to send data to and from a device. The flexible I/O port of the auto sense translator simplifies the trace connections on the PCB. Power Supply Guidelines The values of the VCCA and VCCB supplies can be set to anywhere in range 0.85-2.7V and 1.35-3.6V. Design flexibility is maximized because VCCA may be either greater than or less than the VCCB supply. In contrast, the majority of the competitive auto sense translators have a restriction that the value of the VCCA supply must be equal to less than (VCCB - 0.4) V. The sequencing of the power supplies will not damage the device during power-up operation. In addition, the I/O VCCB and I/O VCCA pins are in the high impedance state if either supply voltage is equal to 0V. For optimal performance, 0.01 to 0.1μ F decoupling capacitors should be used on the VCCA and VCCB power supply pins. Ceramic capacitors are a good design choice to filter and bypass any noise signals on the voltage lines to the ground plane of the PCB. The noise immunity will be maximized by placing the capacitors as close as possible to the supply and ground pins, along with minimizing the PCB connection traces. The PI4ULS3V502 translators have a power down feature that provides design flexibility. The output ports are disabled when either power supply is off (VCCA or VCCB = 0V). This feature causes all of the I/O pins to be in the power saving high impedance state. 2014-01-0006 PT0475-1 8 02/18/14 PI4ULS3V502 280Mb/s Bi-directional Level Translator for Push-Pull Applications ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Mechanical Information UDFN1.2x1.6-8L Ordering Information Part No. Package Code Package PI4ULS3V502XVE XV Lead free and Green 8-pin UDFN1.2x1.6 Note: E = Pb-free and Green Adding X Suffix= Tape/Reel Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com Pericom reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply the best possible product. Pericom does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Pericom product. The company makes no representations that circuitry described herein is free from patent infringement or other rights, of Pericom. 2014-01-0006 PT0475-1 9 02/18/14