74HC164PW from Nexperia, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	DSA	input	Gated serial data input A. AND-combined with DSB to feed the first flip-flop; either input can serve as an active-HIGH enable for the other. Data must meet set-up/hold before the LOW-to-HIGH CP transition.
2	DSB	input	Gated serial data input B. AND-combined with DSA to feed the first flip-flop; either input can serve as an active-HIGH enable for the other.
3	Q0	output	Parallel data output, bit 0 (first stage of the shift register). CMOS push-pull output.
4	Q1	output	Parallel data output, bit 1. CMOS push-pull output.
5	Q2	output	Parallel data output, bit 2. CMOS push-pull output.
6	Q3	output	Parallel data output, bit 3. CMOS push-pull output.
7	GND	power_in	Ground reference (0 V).
8	CP	input	Clock input. Data is shifted on the LOW-to-HIGH edge (edge-triggered). Maximum frequency typically 78 MHz at Vcc=5 V.
9	MR	input	Master reset input, active LOW. Asynchronously clears the register and forces all Q outputs LOW, independent of CP.
10	Q4	output	Parallel data output, bit 4. CMOS push-pull output.
11	Q5	output	Parallel data output, bit 5. CMOS push-pull output.
12	Q6	output	Parallel data output, bit 6. CMOS push-pull output.
13	Q7	output	Parallel data output, bit 7 (last stage of the shift register). CMOS push-pull output.
14	VCC	power_in	Positive supply voltage. 74HC164: 2.0 to 6.0 V (recommended). 74HCT164: 4.5 to 5.5 V.

Key specifications

Parameter	Value
Manufacturer	Nexperia
Package	TSSOP-14
Category	Logic
Pins	14

Ordering variants

74HC164PW
74HC164PWD
74HC164PWBQ

CAD (KiCad official)

Symbol: 74HC164PW
Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
3D model: TSSOP-14 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`74hc164pw.step`	194 KB	You want the bare part, or you mark your own boards.
`74hc164pw-etched.step`	1.9 MB	You want the part with `74HC164PW` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 500 faces against 237 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Nexperia datasheet (16 pp, sha256 aa299aaeb852d99f, retrieved 2026-08-17, tier: manufacturer)
Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF