Important notice Dear Customer, On 7 February 2017 the former NXP Standard Product business became a new company with the tradename Nexperia. Nexperia is an industry leading supplier of Discrete, Logic and PowerMOS semiconductors with its focus on the automotive, industrial, computing, consumer and wearable application markets In data sheets and application notes which still contain NXP or Philips Semiconductors references, use the references to Nexperia, as shown below. Instead of 74HC20 74HCT20 Dual 4-input NAND gate Rev. 4 18 November 2015 Product data sheet 1. 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 V . CC 2. Features and benefits Complies with JEDEC standard JESD7A Low-power dissipation Input levels: For 74HC20: CMOS level For 74HCT20: TTL level ESD protection: HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-A exceeds 200 V Multiple package options Specified from 40 Cto+80 C and from 40 Cto+125 C. 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name Description Version 74HC20D 40 C to +125 C SO14 plastic small outline package 14 leads body width SOT108-1 3.9 mm 74HCT20D 74HC20DB 40 C to +125 C SSOP14 plastic shrink small outline package 14 leads body SOT337-1 width 5.3 mm 74HCT20DB 74HC20PW 40 C to +125 C TSSOP14 plastic thin shrink small outline package 14 leads SOT402-1 body width 4.4 mm 74HCT20PW