74HC166-Q100 74HCT166-Q100 8-bit parallel-in/serial out shift register Rev. 2 9 August 2021 Product data sheet 1. General description The 74HC166-Q100 74HCT166-Q100 is an 8-bit serial or parallel-in/serial-out shift register. The device features a serial data input (DS), eight parallel data inputs (D0 to D7) and a serial output (Q7). When the parallel enable input (PE) is LOW, the data from D0 to D7 is loaded into the shift register on the next LOW-to-HIGH transition of the clock input (CP). When PE is HIGH, data enters the register serially at DS with each LOW-to-HIGH transition of CP. When the clock enable input (CE) is LOW data is shifted on the LOW-to-HIGH transitions of CP. A HIGH on CE disables the CP input. Inputs include clamp diodes which enable the use of current limiting resistors to interface inputs to voltages in excess of V . CC This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications. 2. Features and benefits Automotive product qualification in accordance with AEC-Q100 (Grade 1) Specified from -40 C to +85 C and from -40 C to +125 C 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 Synchronous parallel-to-serial applications Synchronous serial input for easy expansion Input levels: For 74HC166-Q100: CMOS level For 74HCT166-Q100: TTL level Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) JESD7A (2.0 V to 6.0 V) ESD protection: MIL-STD-883, method 3015 exceeds 2000 V HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 ) 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 74HC166D-Q100 -40 C to +125 C SO16 plastic small outline package 16 leads SOT109-1 body width 3.9 mm 74HCT166D-Q100 74HC166PW-Q100 -40 C to +125 C TSSOP16 plastic thin shrink small outline package 16 leads SOT403-1 body width 4.4 mmNexperia 74HC166-Q100 74HCT166-Q100 8-bit parallel-in/serial out shift register 4. Functional diagram 15 1 SRG8 PE DS 6 7 1 C1/2 2 D0 15 M2 3 D1 9 R 4 D2 5 D3 1 2,1D 10 D4 2 2,1D 11 D5 3 2,1D 12 D6 4 Q7 13 14 D7 5 10 9 MR 11 CP CE 12 14 13 7 6 aaa-008816 aaa-008817 Fig. 1. Logic symbol Fig. 2. IEC logic symbol 2 3 4 5 10 11 12 14 D0 D1 D2 D3 D4 D5 D6 D7 PE 15 DS 1 MR 9 CP 8-BIT PARALLEL/SERIAL-IN/ 7 SERIAL-OUT SHIFT REGISTER CE Q7 6 13 aaa-008818 Fig. 3. Functional diagram 74HC HCT166 Q100 All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2021. All rights reserved Product data sheet Rev. 2 9 August 2021 2 / 17