The 74HCT597D/AU118 is an 8-bit shift register from the 74HCT logic family, offering parallel or serial input to serial output operation — the classic PISO function for expanding digital inputs on a microcontroller bus.

74HCT597D/AU118 74HCT Shift Register, 8-bit, 16-SOIC
NXP 74HCT597D/AU118 74HCT series shift register, 8-bit parallel or serial to serial, 16-SOIC (0.154", 3.90mm Width), surface mount, bulk.
Specifications
| Parameter | Value |
|---|---|
| Series | 74HCT |
| Logic type | Shift Register |
| Mounting | Surface Mount |
| Voltage | 4.5V ~ 5.5V |
| Operating temperature | -40°C ~ 125°C |
| Package | Bulk |
| Function | Parallel or Serial to Serial |
| Case | 16-SOIC (0.154\", 3.90mm Width) |
| Number of elements | 1 |
| Number of bits per element | 8 |
Product details
Frequently asked questions
Where to buy 74HCT597D?
Buyers need a trusted distributor to purchase the exact part for their BOM.
What is the datasheet for 74HCT597D?
Design engineers verify electrical specs and pinout before incorporating the part.
Is 74HCT597D obsolete or active?
Sourcing buyers and brokers need lifecycle status to avoid production delays.
What is the price and stock of 74HCT597D?
Buyers compare cost and availability across distributors for budget and lead time.
What are alternatives to 74HCT597D?
Maintenance techs and brokers need cross-reference parts when the original is unavailable.
What is the pin configuration of 74HCT597D?
Engineers need pinout to design PCB layout correctly and avoid rework.