ZHCSIR4Q July 1995 – September 2018 SN54LVCH245A , SN74LVCH245A
PRODUCTION DATA.
- 1 特性
- 2 應用
- 3 說明
- 4 修訂歷史記錄
- 5 Pin Configuration and Functions
-
6 Specifications
- 6.1 Absolute Maximum Ratings
- 6.2 ESD Ratings
- 6.3 Recommended Operating Conditions: SN74LVCH245A
- 6.4 Recommended Operating Conditions: SN54LVCH245A
- 6.5 Thermal Information
- 6.6 Electrical Characteristics: SN74LVCH245A
- 6.7 Electrical Characteristics: SN54LVCH245A
- 6.8 Switching Characteristics: SN74LVCH245A, –40°C TO 85°C
- 6.9 Switching Characteristics: SN74LVCH245A, –40°C TO 125°C
- 6.10 Switching Characteristics: SN54LVCH245A
- 6.11 Operating Characteristics
- 6.12 Typical Characteristics
- 7 Parameter Measurement Information
- 8 Detailed Description
- 9 Application and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12器件和文檔支持
- 13機械、封裝和可訂購信息
封裝選項
請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
機械數(shù)據(jù) (封裝 | 引腳)
- W|20
- J|20
- FK|20
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
訂購信息
7 Parameter Measurement Information
1. CL includes probe and jig capacitance.
Figure 3. Load Circuit Table 1. Test Load Switch Position
| TEST | S1 |
|---|---|
| tPLH / tPHL | Open |
| tPLZ / tPZL | VLOAD |
| tPHZ / tPZH | GND |
Table 2. Test and Measurement Conditions
| VCC | INPUTS | VM | VLOAD | CL | RL | VΔ | |
|---|---|---|---|---|---|---|---|
| VI | tr/tf | ||||||
| 1.8 V ± 0.15 V | VCC | ≤ 2 ns | VCC / 2 | 2 × VCC | 30 pF | 1 kΩ | 0.15 V |
| 2.5 V ± 0.2 V | VCC | ≤ 2 ns | VCC / 2 | 2 × VCC | 30 pF | 500 Ω | 0.15 V |
| 2.7 V | 2.7 V | ≤ 2.5 ns | 1.5 V | 6 V | 50 pF | 500 Ω | 0.3 V |
| 3.3 V ± 0.3 V | 2.7 V | ≤ 2.5 ns | 1.5 V | 6 V | 50 pF | 500 Ω | 0.3 V |
1. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
2. tPZL and tPZH are the same as ten.
3. tPLZ and tPHZ are the same as tdis.
Figure 4. Voltage Waveforms Enable and Disable Times Low- and High-Level Enabling 
Figure 6. Voltage Waveforms Setup and Hold Times 
Figure 5. Voltage Waveforms Pulse Duration 
1. tPLH and tPHL are the same as tpd.
Figure 7. Voltage Waveforms Propagation Delay Times Inverting and Noninverting Outputs