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ZSSC4151 Datasheet(PDF) 8 Page - Integrated Device Technology |
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ZSSC4151 Datasheet(HTML) 8 Page - Integrated Device Technology |
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8 / 13 page ![]() ZSSC4151 Datasheet © 2016 Integrated Device Technology, Inc. 8 April 20, 2016 2.4. Interface Characteristics and Nonvolatile Memory Table 2.4 Interface Characteristics and Nonvolatile Memory Note: See important table notes at the end of the table. No. Parameter Symbol Conditions Min Typ Max Unit 2.4.1. I 2CTM Interface 2.4.1.1 I 2C™ voltage level HIGH 1) VI2C_HIGH 0.5 VDDA 2.4.1.2 I 2C™ voltage level LOW 1) VI2C_LOW 0.2 VDDA 2.4.1.3 Slave output level LOW 1) VI2C_LOW_OUT Open drain, IOL < 4mA 0.1 VDDA 2.4.1.4 SDA load capacitance 1) CI2C_SDA 400 pF 2.4.1.5 SCL clock frequency 1) fI2C 400 kHz 2.4.1.6 Internal pull-up resistor 1) RI2C_PULLUP 25 100 k Ω 2.4.2. ZACwire™ One-Wire Interface (OWI at AOUT pin) 2.4.2.1 OWI voltage level HIGH 1) VOWI_IN_H Master to slave 0.75 VDDE 2.4.2.2 OWI voltage level LOW 1) VOWI_IN_L Master to slave 0.2 VDDE 2.4.2.3 Slave output level LOW 1) VOWI_OUT_L Open drain, IOL ≤ 2mA 0.1 VDDE 2.4.2.4 Start window 1) tOWI_STARTWIN 100 300 ms 2.4.2.5 Bus free time tOWI_IDLE Between stop and next start 25 µs 2.4.2.6 Hold time start condition tOWI_START Valid minimum fclk 25 µs 2.4.2.7 Bit time tOWI_BIT Maximum range 20 8000 µs Typical operating range 40 4000 µs 2.4.2.8 Duty ratio bit ‘0’ tOWI_0 0.125 0.25 0.375 tOWI_BIT 2.4.2.9 Duty ratio bit ‘1’ tOWI_1 0.625 0.75 0.875 tOWI_BIT 2.4.2.10 Hold time stop condition tOWI_STOP tOWI_BIT_L is the bit time of the last valid bit 2 tOWI_BIT_L 2.4.2.11 Bit period deviation tOWI_BIT_DEV 0.55 1.0 1.5 tOWI_BIT |
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