FXMAR2104 ONSEMI | Alldatasheet
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© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FXMAR2104 • Rev. 1.0.1 FXMAR2104 — Dual-Supply, 4-Bit Voltage Translator / Isolator for Open-Drain and Push-Pull Applications FXMAR2104 Dual-Supply, 4-Bit Voltage Translator / Isolator for Open-Drain and Push-Pull Applications
Features
Bi-Directional Interface between Any Two Levels: 1.65V to 5.5V Direction Control Not Needed Internal 10KΩ Pull-Up Resistors System GPIO Resources Not Required when OE Tied to VCCA I2C-Bus® Isolation A/B Port VOL = 175mV (Typical), VIL = 150mV, IOL = 6mA Open-Drain Inputs / Outputs Works in a Push-Pull Environment Accommodates Standard-Mode and Fast-Mode I2C-Bus Devices Supports I2C Clock Stretching & Multi-Master Fully Configurable: Inputs and Outputs Track VCC Non-Preferential Power-Up; Either VCC May Be Powered-Up First Outputs Switch to 3-State if Either VCC is at GND Tolerant Output Enable: 5V Packaged in 12-Lead Ultrathin MLP (1.8mm x 1.8mm) ESD Protection Exceeds: - 5kV HBM (per JESD22-A114) - 2kV CDM (per JESD22-C101)
Description
The FXMAR2104 is a 4-bit high-performance, configurable dual-voltage supply, open-drain translator for bi-directional voltage translation over a wide range of input and output voltages levels. The FXMAR2104 also works in a push-pull environment. Intended for use as a voltage translator in applications using the I 2C-Bus® interface, the input and output voltage levels are compatible with I 2C device specification voltage levels. Eight internal 10K Ω pull-up resistors are integrated. The device is designed so t hat the A port tracks the VCCA level and the B port tracks the V CCB level. This allows for bi-directional A/B port voltage translation between any two levels from 1.65V to 5.5V. V CCA can equal VCCB from 1.65V to 5.5V. Non-preferential power-up means V CC can be powered- up first. Internal power-down control circuits place the device in 3-state if either VCC is removed. The two ports of the devic e have automatic direction- sense capability. Either port may sense an input signal and transfer it as an output signal to the other port.
Ordering Information
FXMAR2104UMX -40 to +85°C BY 12-L ead, Ultrathin MLP, 1.8mm x 1.8mm 5000 Units on Tape and Reel
Figure 1. Block Diagram, 1 of 4 Channels
Figure 2. UMLP (Top-Through View)
1 V CCB B-Side Power Supply
2 V CCA A-Side Power Supply
7 GND Ground
8 OE Output Enable Input
- If the OE pin is driven LOW, the FXMAR2104 is disabled and the A 0, A1, A2, A3, B0, B1, B2 and B3 pins (including
resistors are decoupled from their respective VCCs.
© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FXMAR2104 • Rev. 1.0.1 4 FXMAR2104 — Dual-Supply, 4-Bit Voltage Translator / Isolator / for Open-Drain and Push-Pull Applications Absolute Maximum Ratings Stresses exceeding the Absolute Maximum Ratings may damage the device. The device may not function or be operable above the recommended operating conditions and st ressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter Min. Max. Unit VCCA, VCCB Supply Voltage -0.5 7.0 V VIN DC Input Voltage A Port -0.5 7.0 B Port -0.5 7.0 Control Input (OE) -0.5 7.0 VO Output Voltage(2) An Outputs 3-State -0.5 7.0 V Bn Outputs 3-State -0.5 7.0 An Outputs Active -0.5 V CCA + 0.5V Bn Outputs Active -0.5 V CCB + 0.5V IIK DC Input Diode Current At V IN < 0V -50 mA IOK DC Output Diode Current At VO < 0V -50 mA At VO > VCC +50 IOH / IOL DC Output Source/Sink Current -50 +50 mA ICC DC VCC or Ground Current per Supply Pin ±100 mA PD Power Dissipation At 400KHz 0.129 mW TSTG Storage Temperature Range -65 +150 °C ESD Electrostatic Discharge Capability Human Body Model, B-Port (vs. GND & vs. VCCB) kV Human Body Model, All Pins, JESD22-A114 5 Charged Device Mode, JESD22-C101 2 Note: 2. I O absolute maximum rating must be observed. Recommended Operating Conditions The Recommended Operating Conditions table defines th e conditions for actual device operation. Recommended operating conditions are specified to en sure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol Parameter Min. Max. Units VCCA, VCCB Power Supply Operating 1.65 5.50 V VIN Input Voltage A Port 0 5.5 V B Port 0 5.5 Control Input (OE) 0 V CCA Θ JA Thermal Resistance 301.5 C°/W TA Free Air Operating Temperature -40 +85 °C Note: 3. All unused I/O pins should be disconnected.
capability of the device driving the OE pin.
- Apply power to the first VCC.
- Apply power to the second VCC.
- Drive the OE input HIGH to enable the device.
- Drive OE input LOW to disable the device.
- Remove power from either VCC.
- Remove power from other VCC.
- Alternatively, the OE pin can be hardwired to V CCA
either VCC can be powered up or down first. Figure 3. Application Circuit
logic LOW of 0.4V to the master. competitor, given a 0.4V VIL. Figure 5. V OL vs. IOL
forever; however, this condition shuts down the I 2C bus. between the master and slave #1. Figure 6. Bus Isolation
© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FXMAR2104 • Rev. 1.0.1 9 FXMAR2104 — Dual-Supply, 4-Bit Voltage Translator / Isolator / for Open-Drain and Push-Pull Applications TA = –40°C to +85°C. Symbol Parameter Condition V CCA (V) V CCB (V) Min. Typ. Max. Unit VIHA High Level Input Voltage A V VIHB High Level Input VILA Low Level Input Voltage A V VCCA VILB Low Level Input VOL Low Level Output Voltage VIL = 0.15V 0.4 V IOL = 6mA IL Input Leakage Current Control Input OE, VIN = VCCA or GND 1.65-5.50 1.65-5.50 ±1 µA IOFF Power-Off Leakage Current An VIN or VO = 0V to 5.5V 0 5.50 ±2 µA Bn VIN or VO = 0V to 5.5V 5.50 0 ±2 IOZ 3-State Output Leakage(6) An, Bn VO = 0V to 5.5V, OE = VIL 5.50 5.50 µA An VO = 0V to 5.5V, OE = Don’t Care 5.50 0 Bn VO = 0V to 5.5V, OE = Don’t Care 0 5.50 ICCA/B Quiescent Supply Current(7,8) VIN = VCCI or Floating, IO = 0 1.65-5.50 1.65-5.50 5 µA ICCZ Quiescent Supply Current(7) VIN = VCCI or GND, IO = 0, OE = VIL 1.65-5.50 1.65-5.50 5 µA ICCA Quiescent Supply Current(6) VIN = 5.5V or GND, IO = 0, OE = Don’t Care, Bn to An 0 1.65-5.50 -2 µA 1.65-5.50 0 2 ICCB Quiescent Supply Current(6) VIN = 5.5V or GND, IO = 0, OE = Don’t Care, An to Bn 1.65-5.50 0 -2 µA 0 1.65-5.50 2 RPU Resistor Pull-up Value VCCA & VCCB Sides 1.65-5.50 1.65-5.50 10 KΩ Notes: 5. This table contains the ou tput voltage for static conditions. Dynamic drive specifications are given in the Dynamic Output Electrical Characteristics. 6. “Don’t Care” indicates any valid logic level. 7. V CCI is the VCC associated with the input side. 8. Reflects current per supply, V CCA or VCCB.
© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FXMAR2104 • Rev. 1.0.1 10 FXMAR2104 — Dual-Supply, 4-Bit Voltage Translator / Isolator / for Open-Drain and Push-Pull Applications Dynamic Output Electrical Characteristics Output Rise / Fall Time Output load: CL = 50pF, RPU = NC, push-pull driver, and TA = -40°C to +85°C. Symbol Parameter VCCO (10) 1.95V Typical trise Output Rise Time; A Port, B Port (11) 3 4 5 7 ns tfall Output Fall Time; A Port, B Port (12) 11 8 6 4 ns Notes: 9. Output rise and fall times guaranteed by design si mulation and characterization; not production tested. 10. V CCO is the VCC associated with the output side. 11. See Figure 11. 12. See Figure 12. Maximum Data Rate(13) Output load: CL = 50pF, RPU = NC, push-pull driver, and TA = -40°C to +85°C. VCCA Direction VCCB Unit Minimum 4.5V to 5.5V A to B 26 20 16 9 MHz B to A 26 20 16 9 3.0V to 3.6V A to B 26 20 16 9 MHz B to A 26 20 16 9 2.3V to 2.7V A to B 26 20 16 9 MHz B to A 26 20 16 9 1.65V to 1.95V A to B 26 20 16 9 MHz B to A 26 20 16 9 Note: 13. F-toggle guaranteed by design simulation; not production tested.
© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FXMAR2104 • Rev. 1.0.1 11 FXMAR2104 — Dual-Supply, 4-Bit Voltage Translator / Isolator / for Open-Drain and Push-Pull Applications AC Characteristics(17) Output Load: CL = 50pF, RPU = NC, push-pull driver, and TA = -40°C to +85°C. Symbol Parameter VCCB VCCA = 4.5 to 5.5V tPLH A to B 1 3 1 3 1 3 1 3 ns B to A 1 3 2 4 3 5 4 7 tPHL A to B 2 4 3 5 4 6 6 7 ns B to A 2 4 2 5 2 6 5 7 tPZL OE to A 4 5 6 10 5 9 7 15 ns OE to B 3 5 4 7 5 8 10 15 tPLZ OE to A 65 100 65 105 65 105 65 105 ns OE to B 5 9 6 10 7 12 9 16 tskew A Port, B Port (14) VCCA = 3.0 to 3.6V tPLZ OE to A 100 115 100 115 100 115 100 115 ns OE to B 5 10 4 8 5 10 9 15 VCCA = 2.3 to 2.7V tPHL A to B 2 5 2 5 2 5 5 6 ns B to A 2 5 2 5 2 5 3 6 tPLZ OE to A 100 115 100 115 100 115 100 115 ns OE to B 65 110 65 110 65 115 12 25 VCCA = 1.65 to 1.95V tPHL A to B 5 8 3 7 3 7 8 9 ns B to A 4 8 3 7 3 7 3 7 tPZL OE to A 11 15 11 14 14 28 14 23 ns OE to B 6 14 6 14 6 14 9 19 tPLZ OE to A 75 115 75 115 75 115 75 115 ns OE to B 75 115 75 115 75 115 75 115 Note: 14. Skew is the variation of propagatio n delay between output signals and applies only to output signals on the same port (An or Bn) and switching with the same polarity (LOW-to-HIGH or HIGH-to-LOW) (see Figure 14). Skew is guaranteed, but not tested. 15. AC Characteristic is guaranteed by Design and Characterization
Table 1. Propagation Delay Table (16)
- For t PZL and tPLZ testing, an external 2.2KΩ pull-up resistor to VCCO is required to force the I/O pins HIGH while
OE is LOW. When OE is low, the internal 10KΩ RPUs are decoupled from their respective VCC’s. Table 2. AC Load Table
Figure 15. 12-Lead Ultrat hin MLP, 1.8mm x 1.8mm warranty therein, which covers Fairchild products. http://www.fairchildsemi.com/packaging/. B. DIMENSIONS ARE IN MILLIMETERS. E. DRAWING FILENAME: MKT-UMLP12Arev4.
0.10 CAB
© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FXMAR2104 • Rev. 1.0.1 15 FXMAR2104 — Dual-Supply, 4-Bit Voltage Translator / Isolator / for Open-Drain and Push-Pull Applications
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