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74HC165DB

8-bit parallel-in/serial out shift register

The 74HC165; 74HCT165 are 8-bit serial or parallel-in/serial-out shift registers. The device features a serial data input (DS), eight parallel data inputs (D0 to D7) and two complementary serial outputs (Q7 and Q7). When the parallel load input (PL) is LOW the data from D0 to D7 is loaded into the shift register asynchronously. When PL is HIGH data enters the register serially at DS. When the clock enable input (CE) is LOW data is shifted on the LOW-to-HIGH transitions of the CP input. A HIGH on CE will disable the CP input. Inputs are overvoltage tolerant to 15 V. This enables the device to be used in HIGH-to-LOW level shifting applications.

This product has been discontinued, click here for discontinuation information and replacement parts.

Alternatives

Features and benefits

  • Wide supply voltage range from 2.0 to 6.0 V

  • CMOS low power dissipation

  • High noise immunity

  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

  • Asynchronous 8-bit parallel load

  • Synchronous serial input

  • Input levels:

    • For 74HC165: CMOS level

    • For 74HCT165: 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

Applications

  • Parallel-to-serial data conversion

Parametrics

Type number Product status Package name
74HC165DB End of life SSOP16

PCB Symbol, Footprint and 3D Model

Model Name Description

Package

All type numbers in the table below are discontinued. See the table Discontinuation information for more information.

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
74HC165DB 74HC165DB,112
(935186890112)		 Obsolete no package information
74HC165DB,118
(935186890118)		 Obsolete

Environmental information

All type numbers in the table below are discontinued. See the table Discontinuation information for more information.

Type number Orderable part number Chemical content RoHS RHF-indicator
74HC165DB 74HC165DB,112 74HC165DB rohs rhf rhf
74HC165DB 74HC165DB,118 74HC165DB rohs rhf rhf
Quality and reliability disclaimer

Series

Documentation (4)

File name Title Type Date
74HC_HCT165 8-bit parallel-in/serial out shift register Data sheet 2021-09-01
AN11044 Pin FMEA 74HC/74HCT family Application note 2019-01-09
hc165 74HC165 IBIS model IBIS model 2015-09-13
HCT_USER_GUIDE HC/T User Guide User manual 1997-10-31

Support

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Models

File name Title Type Date
hc165 74HC165 IBIS model IBIS model 2015-09-13

PCB Symbol, Footprint and 3D Model

Model Name Description

How does it work?

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Interactive datasheet