ZHCS352E August 2011 – October 2024 TCA9509
PRODUCTION DATA
- 1
- 1 特性
- 2 應用
- 3 說明
- 4 Pin Configuration and Functions
- 5 Specifications
- 6 Parameter Measurement Information
- 7 Detailed Description
- 8 Application and Implementation
- 9 Power Supply Recommendations
- 10Layout
- 11Device and Documentation Support
- 12Revision History
- 13Mechanical, Packaging, and Orderable Information
5.7 I2C Interface Timing Requirements
TA = –40°C to 85°C (unless otherwise noted)
| PARAMETER | VCCA (INPUT) |
VCCB (OUTPUT) |
TEST CONDITIONS | MIN | TYP(1) | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|---|---|
| tPHL | Propagation delay | port A to port B | 1.9 V | 5 V | EN High | 123.1 | 127.2 | 132.8 | ns |
| port B to port A | 88.1 | 88.8 | 89.8 | ||||||
| tPLH | Propagation delay | port A to port B | 1.9 V | 5 V | EN High | 122.6 | 125.7 | 131.7 | ns |
| port B to port A | 123 | 124.1 | 126.9 | ||||||
| trise | Transition time | port A | 1.9 V | 5 V | EN High | 40.1 | 40.9 | 41.9 | ns |
| port B | 57.3 | 57.5 | 58.4 | ||||||
| tfall | Transition time | port A | 1.9 V | 5 V | EN High | 14.5 | 16.4 | 17.9 | ns |
| port B | 18.7 | 19.4 | 20.2 | ||||||
| tPLH2 | Propagation delay 50% of initial low on Port A to 1.5 V on Port B | port A to port B | 1.9 V | 5 V | 176 | 177.3 | 178 | ns | |
| fMAX | Maximum switching frequency | 400 | KHz | ||||||
(1) Typical values were measured with VCCA =
VCCB = 2.7 V at TA = 25°C, unless otherwise
noted.
Figure 5-1 Bus A
(0.9-V to 5.5-V Bus) Waveform
Figure 5-2 Bus B
(2.7-V to 5.5-V Bus) Waveform