MC74HCT595ADTR2G

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MC74HCT595ADTR2G

IC SHIFT REGISTER 8BIT 16TSSOP

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사양

Supplier onsemi
Package Tape & Reel (TR),Cut Tape (CT)
Series 74HCT
ProductStatus Active
LogicType Shift Register
OutputType Tri-State
NumberofElements 1
NumberofBitsperElement 8
Function Serial to Parallel, Serial
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -55°C ~ 125°C
MountingType Surface Mount
Package/Case 16-TSSOP (0.173, 4.40mm Width)

개요

Description

MC74HCT595ADTR2G is an 8-bit serial-in/parallel-out shift register with a storage (latch) register and tri-state outputs. It belongs to the 74HCT family (TTL-compatible CMOS) and is typically powered from 4.5–5.5 V.
Key features:
- DS (serial data input), SH_CP (shift clock), ST_CP (latch clock)
- Q0–Q7 outputs plus Q7’ serial output for cascading
- OE (output enable, active low) and MR (master reset, active low)
- 8 tri-state outputs; easy to daisy-chain with Q7’
- Useful for expanding I/O, LED drive, display drivers, etc.
How it works:
- Data shifts in on rising edge of SH_CP
- On rising edge of ST_CP, the shift register data is transferred to the storage register and appears on Q0–Q7
- OE disables/enables outputs; MR clears all outputs
Package suffix ADTR2G indicates a specific packaging/reel option (Tape & Reel) for this part; check the datasheet for exact pinout and electrical specs.

Package

MC74HCT595ADTR2G is supplied in a 16-pin SOIC (D) package, shipped in tape-and-reel (TR/TR2) format and is RoHS-compliant (lead‑free, green).

Pinout

MC74HCT595ADTR2G is a 16-pin device (SOIC/TSSOP form). It is an 8-bit serial-in, parallel-out shift register with a storage (latch) register and 3‑state outputs. Key pins/functions:
- VCC, GND: power supply
- SER (DS): serial data input
- SRCLK (SH_CP): shift-register clock (shifts serial data)
- RCLK (ST_CP): register/latch clock (transfers shifted data to outputs)
- SRCLR (MR): asynchronous master reset (clears shift register)
- OE (/OE): active-low output enable (tri-states outputs)
- Q0–Q7: eight parallel outputs (QA–QH)
- Q7S (Q7’): serial data output for cascading multiple devices
Use SRCLK to clock in data serially, RCLK to latch to outputs, and Q7S to chain additional devices.

Manufacturer

Manufacturer: ON Semiconductor (onsemi).
What kind of company: onsemi is a global semiconductor manufacturer that designs and supplies integrated circuits, discrete components, power and analog devices, and related systems for automotive, industrial, communications, computing and consumer markets.

Application

- I/O expansion for microcontrollers/ microprocessors
- Driving LED displays, LED matrices, and 7-segment displays (with resistors)
- Serial-to-parallel buffering with a latch for synchronous updates
- Daisy-chain capable for larger display/LED arrays
- SPI-like interface for simple data transfer
- General-purpose 8-bit parallel output with tri-state enable

Equivalent

Direct equivalents (pin‑ and function‑compatible):
- SN74HCT595 (Texas Instruments)
- 74HCT595 (Nexperia / NXP variants)
- 74HCT595* (other vendors: ON Semiconductor, Diodes Inc., etc.)
Common substitutes:
- 74HC595 / SN74HC595 (pin‑compatible but CMOS input thresholds differ)
- 74LS595 (older TTL family; electrical characteristics differ)
Choose an HCT variant for TTL‑level compatibility; HC/LS are only substitutes if voltage/threshold requirements are acceptable.

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