74HC4049 Hex inverting HIGH-to-LOW level shifter Rev. 8 16 March 2021 Product data sheet 1. General description The 74HC4049 is a hex inverter with over-voltage tolerant inputs. Inputs are overvoltage tolerant to 15 V. This enables the device to be used in HIGH-to-LOW level shifting applications. 2. Features and benefits Wide supply voltage range from 2.0 V to 6.0 V Overvoltage tolerant inputs to 15 V CMOS low power dissipation High noise immunity Latch-up performance exceeds 100 mA per JESD 78 Class II Level B 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 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 74HC4049D -40 C to +125 C SO16 plastic small outline package 16 leads SOT109-1 body width 3.9 mm 74HC4049PW -40 C to +125 C TSSOP16 plastic thin shrink small outline package 16 leads SOT403-1 body width 4.4 mmNexperia 74HC4049 Hex inverting HIGH-to-LOW level shifter 4. Functional diagram V1/V2 3 2 V1/V2 3 2 5 4 1A 1Y 5 4 V1/V2 2A 2Y 7 6 7 6 3A 3Y V1/V2 9 10 9 10 4A 4Y V1/V2 11 12 11 12 5A 5Y 14 15 V1/V2 A Y 6A 6Y 14 15 mna341 001aai331 001aan374 Fig. 3. Logic diagram (one level Fig. 1. Logic symbol Fig. 2. IEC logic symbol shifter) 5. Pinning information 5.1. Pinning 74HC4049 V 1 16 n.c. CC 74HC4049 1Y 2 15 6Y 1A 3 14 6A V 1 16 n.c. CC 1Y 2 15 6Y 4 13 2Y n.c. 1A 3 14 6A 2A 5 12 5Y 2Y 4 13 n.c. 2A 5 12 5Y 3Y 6 11 5A 3Y 6 11 5A 3A 7 10 4Y 3A 7 10 4Y GND 8 9 4A GND 8 9 4A 001aan372 001aan373 Fig. 4. Pin configuration SOT109-1 (SO16) Fig. 5. Pin configuration SOT403-1 (TSSOP16) 5.2. Pin description Table 2. Pin description Symbol Pin Description V 1 supply voltage CC 1Y to 6Y 2, 4, 6, 10, 12, 15 output 1A to 6A 3, 5, 7, 9, 11, 14 input GND 8 ground (0 V) n.c. 13, 16 not connected 74HC4049 All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2021. All rights reserved Product data sheet Rev. 8 16 March 2021 2 / 11