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CAT5241UI-50 Datasheet(PDF) 4 Page - Catalyst Semiconductor |
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CAT5241UI-50 Datasheet(HTML) 4 Page - Catalyst Semiconductor |
4 / 16 page 4 CAT5241 Document No. 2011, Rev. J Symbol Parameter Min Typ Max Units fSCL Clock Frequency 400 kHz TI(1) Noise Suppression Time Constant at SCL, SDA Inputs 50 ns tAA SLC Low to SDA Data Out and ACK Out 0.9 µs tBUF(1) Time the Bus Must be Free Before a New 1.2 µs Transmission Can Start tHD:STA Start Condition Hold Time 0.6 µs tLOW Clock Low Period 1.2 µs tHIGH Clock High Period 0.6 µs tSU:STA Start Condition SetupTime (For a Repeated Start Condition) 0.6 µs tHD:DAT Data in Hold Time 0 ns tSU:DAT Data in Setup Time 100 ns tR(1) SDA and SCL Rise Time 0.3 µs tF(1) SDA and SCL Fall Time 300 ns tSU:STO Stop Condition Setup Time 0.6 µs tDH Data Out Hold Time 50 ns Note: (1) This parameter is tested initially and after a design or process change that affects the parameter. CAPACITANCE TA = 25°C, f = 1.0 MHz, VCC = 5V Symbol Test Conditions Min Typ Max Units CI/O(1) Input/Output Capacitance (SDA) VI/O = 0V 8 pF CIN(1) Input Capacitance (A0, A1, A2, A3, SCL) VIN = 0V 6 pF POWER UP TIMING (1) Over recommended operating conditions unless otherwise stated. Symbol Parameter Min Typ Max Units tPUR Power-up to Read Operation 1 ms tPUW Power-up to Write Operation 1 ms D.C. OPERATING CHARACTERISTICS Over recommended operating conditions unless otherwise stated. Symbol Parameter Test Conditions Min Typ Max Units ICC Power Supply Current fSCL = 400kHz 1 mA ISB Standby Current (VCC = 5.0V) VIN = GND or VCC; SDA Open 1 µA ILI Input Leakage Current VIN = GND to VCC 10 µA ILO Output Leakage Current VOUT = GND to VCC 10 µA VIL Input Low Voltage -1 VCC x 0.3 V VIH Input High Voltage VCC x 0.7 VCC + 1.0 V VOL1 Output Low Voltage (VCC = 3.0V) IOL = 3 mA 0.4 V A.C. CHARACTERISTICS Over recommended operating conditions unless otherwise stated. |
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