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CAT1161WI-45-T3 Datasheet(PDF) 3 Page - Catalyst Semiconductor |
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CAT1161WI-45-T3 Datasheet(HTML) 3 Page - Catalyst Semiconductor |
3 / 14 page CAT1161, CAT1162 © Catalyst Semiconductor, Inc. 3 Doc. No. MD-3002 Rev. G Characteristics subject to change without notice D.C. OPERATING CHARACTERISTICS VCC = 2.7V to 6V, unless otherwise specified. Symbol Parameter Test Conditions Min Typ Max Units ICC Power Supply Current fSCL = 100 KHz 3 mA VCC = 3.3V 40 µA ISB Standby Current VCC = 5 50 µA ILI Input Leakage Current VIN = GND or VCC 2 µA ILO Output Leakage Current VIN = GND or VCC 10 µA VIL Input Low Voltage -1 VCC x 0.3 V VIH Input High Voltage VCC x 0.7 VCC + 0.5 V VOL1 Output Low Voltage (SDA) IOL = 3 mA, VCC = 3.0V 0.4 V CAPACITANCE TA = 25ºC, f = 1.0MHz, VCC = 5V Symbol Test Conditions Max Units CI/O (1) Input/Output Capacitance (SDA) VI/O = 0V 8 pF CIN (1) Input Capacitance (SCL) VIN = 0V 6 pF A.C. CHARACTERISTICS VCC = 2.7V to 6.0V unless otherwise specified. Output Load is 1 TTL Gate and 100pF. Symbol Parameter Min Max Min Max Units FSCL Clock Frequency 100 400 kHz TI (1) Noise Suppresion Time Constant at SCL, SDA Inputs 200 200 ns tAA SLC Low to SDA Data Out and ACK Out 3.5 1 µs tBUF (1) Time the Bus Must be Free Before a New Transmission Can Start 4.7 1.2 µs tHD:STA Start Condition Hold Time 4 0.6 µs tLOW Clock Low Period 4.7 1.2 µs tHIGH Clock High Period 4 0.6 µs tSU:STA Start Condition Setup Time (for a Repeated Start Condition) 4.7 0.6 µs tHD:DAT Data in Hold Time 0 0 ns tSU:DAT Data in Setup Time 50 50 ns tR (1) SDA and SCL Rise Time 1 0.3 µs tF (1) SDA and SCL Fall Time 300 300 ns tSU:STO Stop Condition Setup Time 4 0.6 µs tDH Data Out Hold Time 100 100 ns POWER-UP TIMING (1)(2) Symbol Parameter Max Units tPUR Power-up to Read Operation 1 ms tPUW Power-up to Write Operation 1 ms Notes: (1) This parameter is tested initially and after a design or process change that affects the parameter. (2) tPUR and tPUW are the delays required from the time VCC is stable until the specific operation can be initiated. |
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