TI’s CD74HCT20 is a 2-ch, 4-input, 4.5-V to 5.5-V NAND gates with TTL-compatible CMOS inputs. Find parameters, ordering and quality information.

The CD74HCT20 can drive a load with a total capacitance less than or equal to the maximum load listed in the Section 6.5 connected to a high-impedance CMOS input while still meeting all …

Product data sheet General description The 74HC20; 74HCT20 is a dual 4-input NAND gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. Features and benefits Complies with JEDEC standard JESD7A Low-power dissipation Input levels: For 74HC20: CMOS level For 74HCT20 ...

CD74HCT20E – NAND Gate IC 2 Channel 14-PDIP from Texas Instruments. Pricing and Availability on millions of electronic components from Digi-Key Electronics.

2019年3月15日 · RESET是开机上电复位信号，当开机上电复位电源电压不稳定的时候，一直为低电平，从而D991输入为低，输出为高，错误信号ERROR为高电平，无错误。 当电压稳定时，若各路监测信号无故障，D906各路输入电平为高电平，输出为低电平。 然后D906的8脚输出为高（非运算特性），这时候由于D911 的4，5脚输入为高，而D911的1,2脚就是D90..._74hcxx与非门.

Part #: 74HCT20. Download. File Size: 34Kbytes. Page: 6 Pages. Description: Dual 4-input NAND gate. Manufacturer: NXP Semiconductors.

2024年7月21日 · 74HC20和74HCT20的主要区别在于它们的输入电平兼容性：74HC20适用于CMOS（互补金属氧化物半导体）电平，适合在低功耗应用中使用；而74HCT20则兼容TTL（晶体管-晶体管逻辑）电平，更适合与TTL电路一起工作。

The 74HC20; 74HCT20 is a dual 4-input NAND gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of V CC. Register once, drag and drop ECAD models into your CAD tool and speed up your design. All type numbers in the table below are discontinued.

74HCT20 Nexperia USA Inc. 逻辑 零件可从 Digi-Key Electronics 订购。

The 74HC20; 74HCT20 is a dual 4-input NAND gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. Features and benefits. Specified from -40 °C to +80 °C and from -40 °C to +125 °C. Ordering information. Table 1. Ordering information. 4. Functional diagram. Fig. 1.