SNx4HC166 8-Bit Parallel-Load Shift Registers

1 Features

• Wide operating voltage range of 2 V to 6 V

• Outputs can drive up to 10 LSTTL loads

• Low power consumption, 80-μA max ICC

• Typical tpd = 13 ns

• ±4-mA output drive at 5 V

• Low input current of 1 μA max

• Synchronous load

• Direct overriding clear

• Parallel-to-serial conversion

2 Description

The SNx4HC166 device contains an 8-bit shift

register with one serial input and eight parallel-load

inputs.

Device Information

PART NUMBER

PACKAGE

(1)

BODY SIZE (NOM)

SN74HC166D

SOIC (16)

9.90 mm × 3.90 mm

SN74HC166DB

SSOP (16)

6.20 mm × 5.30 mm

SN74HC166N

PDIP (16)

19.31 mm × 6.35 mm

SN74HC166NS

SO (16)

6.20 mm × 5.30 mm

SN74HC166PW

TSSOP (16)

5.00 mm × 4.40 mm

SN54HC166J

CDIP (16)

24.38 mm × 6.92 mm

SNJ54HC166FK

LCCC (20)

8.89 mm × 8.45 mm

SNJ54HC166J

CFP (16)

10.16 mm × 6.73 mm

(1)

For all available packages, see the orderable addendum at

the end of the data sheet.

Functional Block Diagram

SN54HC166, SN74HC166

SCLS117E – DECEMBER 1982 – REVISED FEBRUARY 2022

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.