关键参数速览
- 电源电压 VCC
- –0.5 to 4.0
产品特点 Features
- 5 ns pin-to-pin logic delays
- System frequency up to 178 MHz
- 144 macrocells with 3,200 usable gates
- Available in small footprint packages
- 100-pin TQFP (81 user I/O pins)
- 144-pin TQFP (117 user I/O pins)
- 144-CSP (117 user I/O pins)
- Pb-free available for all packages
- Optimized for high-performance 3.3V systems
- Low power operation
- 5V tolerant I/O pins accept 5V, 3.3V, and signals
- 3.3V or 2.5V output capability propagation delays of 5 ns. See Figure 2 for overview.
- Power Estimation
- For a general estimate of I , the following equation may be used:
- I (mA) = MC (0.175*PT + 0.345) + MC (0.052*PT
- CC HS HS LP LP
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。
| 符号 | 说明 | 值 | 单位 |
|---|---|---|---|
| V Supply | voltage relative to GND | –0.5 to 4.0 | V |
| V Input voltage | relative to GND(1) | –0.5 to 5.5 | V |
| V Voltage | applied to 3-state output(1) | –0.5 to 5.5 | V |
| T Storage | temperature (ambient)(3) | –65 to +150 | oC |
| T Junction | temperature | +150 | oC |
| packages, see XAPP427. | |||
| Recommended | Operation Conditions | ||
| V Supply | voltage for internal logic Commercial T = | 0oC to 70oC 3.0 | 3.6 V |
| and input | buffers Industrial T = | –40oC to +85oC 3.0 | 3.6 V |
| V Supply | voltage for output drivers for 3.3V operation | 3.0 | 3.6 V |
| Supply | voltage for output drivers for 2.5V operation | 2.3 | 2.7 V |
| V Low-level | input voltage | 0 | 0.80 V |
| V High-level | input voltage | 2.0 | 5.5 V |
| V Output | voltage | 0 V | V |
数据来源：原厂规格书