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CD54HC688技术文档下载：
CD54HC688 - 产品图解：
CD54HC688 - 高速 CMOS 逻辑 8 位幅度比较器
CD54HC688是TI公司的一款数字比较器产品，CD54HC688是高速 CMOS 逻辑 8 位幅度比较器，本页介绍了CD54HC688的产品说明、应用、特性等，并给出了与CD54HC688相关的TI元器件型号供参考。
CD54HC688 - 高速 CMOS 逻辑 8 位幅度比较器 - 数字比较器 - 特殊逻辑 - TI公司（Texas Instruments，德州仪器）
产品描述
The ’HC688 and ’HCT688 are 8-bit magnitude comparators designed for use in computer and logic applications that require the comparison of two 8-bit binary words. When the compared words are equal the output (Y) is low and can be used as the enabling input for the next device in a cascaded application.
产品特性
- Cascadable
- Fanout (Over Temperature Range)
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
- Wide Operating Temperature Range . . . -55°C to 125°C
- Balanced Propagation Delay and Transition Times
- Significant Power Reduction Compared to LSTTL Logic ICs
- HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
- HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il 1µA at VOL, VOH
Data sheet acquired from Harris Semiconductor
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