产品应用与封装尺寸
图纸取自原厂规格书，点击可放大查看原始尺寸标注。
引脚定义与内部结构
| 引脚 | 符号 | 名称 |
|---|---|---|
| 11 | 2A1 | |
| 12 | 1Y4 | |
| 13 | 2A2 | |
| 14 | 1Y3 | |
| 15 | 2A3 | |
| 16 | 1Y2 | |
| 17 | 2A4 | |
| 18 | 1Y1 | |
| 19 | 2OE | |
| 20 | V |
数据来源：原厂规格书引脚图
产品特点 Features
- Operates From 1.65 V to 3.6 V
- Inputs Accept Voltages to 5.5 V
- Specified From –40°C to 85°C and –40°C to
- 125°C
- Max t of 5.9 ns at 3.3 V
- Typical V (Output Ground Bounce) < 0.8 V
- OLP at V = 3.3 V, T = 25°C
- Typical V (Output V Undershoot) > 2 V
- OHV OH at V = 3.3 V, T = 25°C
- Supports Mixed-Mode Signal Operation on All
- Ports (5-V Input/Output Voltage With
- 3.3-V V )
- I Supports Partial-Power-Down Mode off
- Operation
- Latch-Up Performance Exceeds 250 mA Per
- DB, DGV, DW, N, NS, OR PW PACKAGE
绝对最大额定值 Absolute Maximum Ratings（TA = 25°C）
超过下表数值可能造成器件永久损坏，设计时请留余量。
| 最小 | 典型 | 最大 | 最小2 | 最大2 | 最小3 | 最大3 |
|---|---|---|---|---|---|---|
| SN74LVC244A | ||||||
| WITH | 3-STATE | OUTPUTS |
数据来源：原厂规格书
电气特性 Electrical Characteristics（TA = 25°C）
| 参数 | 测试条件 | V | 典型 | 单位 |
|---|---|---|---|---|
| Outputs enabled f = 10 MHz | 2.5 V | 43 | ||
| C Power dissipation capacitance per buffer/driver | pF | |||
| Outputs disabled f = 10 MHz | 2.5 V | 1 |