74HC02 74HCT02 Quad 2-input NOR gate Rev. 7 10 August 2021 Product data sheet 1. General description The 74HC02 74HCT02 is a quad 2-input NOR 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 Wide supply voltage range from 2.0 V to 6.0 V CMOS low power dissipation High noise immunity Latch-up performance exceeds 100 mA per JESD 78 Class II Level B Input levels: For 74HC02: CMOS level For 74HCT02: TTL level Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) JESD7A (2.0 V to 6.0 V) ESD protection: HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-A exceeds 200 V Multiple package options Specified from -40 C to +85 C and from -40 C to +125 C 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name Description Version 74HC02D -40 C to +125 C SO14 plastic small outline package 14 leads SOT108-1 body width 3.9 mm 74HCT02D 74HC02PW -40 C to +125 C TSSOP14 plastic thin shrink small outline package SOT402-1 14 leads body width 4.4 mm 74HCT02PW 74HC02BQ -40 C to +125 C DHVQFN14 plastic dual in-line compatible thermal SOT762-1 enhanced very thin quad flat package no leads 74HCT02BQ 14 terminals body 2.5 3 0.85 mmNexperia 74HC02 74HCT02 Quad 2-input NOR gate 4. Functional diagram 2 2 1A 1 1 1Y 1 3 3 1B 5 5 2A 1 2Y 4 4 6 6 2B 8 3A 8 3Y 10 1 10 9 3B 9 A 11 4A 11 4Y 13 Y 1 12 4B 13 12 B mna216 001aah084 mna215 Fig. 1. Logic symbol Fig. 2. IEC logic symbol Fig. 3. Logic diagram (one gate) 5. Pinning information 5.1. Pinning terminal 1 index area 2 13 1A 4Y 1B 3 12 4B 2Y 4 02 11 4A 2A 5 (1) 10 3Y GND 1Y 1 14 V CC 2B 6 9 3B 1A 2 13 4Y 1B 3 12 4B 001aac920 2Y 4 02 11 4A 2A 5 10 3Y Transparent top view 2B 6 9 3B (1) This is not a ground pin. There is no electrical or GND 7 8 3A mechanical requirement to solder the pad. In case 001aac919 soldered, the solder land should remain floating or connected to GND. Fig. 4. Pin configuration SOT108-1 (SO14) and SOT402-1 (TSSOP14) Fig. 5. Pin configuration SOT762-1 (DHVQFN14) 5.2. Pin description Table 2. Pin description Symbol Pin Description 1Y to 4Y 1, 4, 10, 13 data output 1A to 4A 2, 5, 8, 11 data input 1B to 4B 3, 6, 9,12 data input GND 7 ground (0 V) V 14 supply voltage CC 74HC HCT02 All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2021. All rights reserved Product data sheet Rev. 7 10 August 2021 2 / 12 GND 7 1 1Y 3A 8 14 V CC