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Nexperia 74HC595D,118RoHS

Manufacturer
Nexperia
MPN
74HC595D,118
LCSC Part #
C5947
Packaging
SOIC-16
Customer #
Key Attributes
8-bit serial-in, serial or parallel-out shift register with output latches; 3-state
Datasheetpdf iconNexperia 74HC595D,118
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5,000+$ 0.0725$ 362.50
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Logic/Shift Registers
ManufacturerNexperia
PackagingSOIC-16
Operating temperature-40℃~+125℃
Voltage - Supply2V~6V
Output TypeTri-State
Series74HC
Number of Elements1
FeaturesAsynchronous clear function;Output enable
Propagation Delay19ns@4.5V,50pF
FunctionSerial-to-Serial or Parallel
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Introduction

AI Translation

The 74HC595; 74HCT595 is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs. Both the shift and storage register have separate clocks. The device features a serial input (DS) and a serial output (Q7S) to enable cascading and an asynchronous reset MR input. A LOW on MR will reset the shift register. Data is shifted on the LOW-to-HIGH transitions of the SHCP input. The data in the shift register is transferred to the storage register on a LOW-to-HIGH transition of the STCP input. If both clocks are connected together, the shift register will always be one clock pulse ahead of the storage register. Data in the storage register appears at the output whenever the output enable input (OE) is LOW. A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Operation of the OE input does not affect the state of the registers. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Features

AI Translation
  • Wide supply voltage range from 2.0 V to 6.0 V
  • CMOS low power dissipation
  • High noise immunity
  • 8-bit serial input
  • 8-bit serial or parallel output
  • Storage register with 3-state outputs
  • Shift register with direct clear
  • 100 MHz (typical) shift out frequency
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
  • Complies with JEDEC standards:
    • JESD8C (2.7 V to 3.6 V) JESD7A (2.0 V to 6.0 V)
  • Input levels:
    • For 74HC595: CMOS level
    • For 74HCT595: TTL level
  • ESD protection:
    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
  • Multiple package options
  • Specified from -40 ℃ to +85 ℃ and from -40 ℃ to +125 ℃

Applications

AI Translation
  • Serial-to-parallel data conversion
  • Remote control holding register

Product FAQ

  • 1. What internal architecture, latching mechanism, and output state modes define the operation of the 74HC595D?
    The 74HC595D is a high-speed CMOS 8-bit serial-in/serial or parallel-out shift register with an internal 8-bit storage register and 3-state parallel outputs (Q0–Q7). Data is shifted into the shift register on the LOW-to-HIGH transition of the shift register clock (SHCP), while data is transferred to the storage register on the LOW-to-HIGH transition of the storage register clock (STCP). An active-LOW Output Enable (OE) places the parallel outputs in a high-impedance OFF-state without affecting the register contents, and an active-LOW Master Reset (MR) asynchronously clears the shift register.
  • 2. What supply voltage range, operating frequency, and output drive capability apply to this logic IC?
    The 74HC595D belongs to Nexperia's 74HC high-speed CMOS logic family and operates over a supply voltage (VCC) range of 2.0 V to 6.0 V with CMOS input logic levels. According to the dynamic characteristics, the device supports a typical maximum operating frequency (fmax) of 91 MHz at VCC = 4.5 V and 108 MHz at VCC = 6.0 V. Table 7 also specifies minimum fmax values of 20 MHz at VCC = 4.5 V and 24 MHz at VCC = 6.0 V over the full −40°C to +125°C operating temperature range. The 3-state parallel outputs can source or sink up to ±6 mA at VCC = 4.5 V.
  • 3. What physical package style, footprint dimensions, and terminal count specify the SOT109-1 package?
    The 74HC595D is supplied in Nexperia's SOT109-1 (SO16) plastic small-outline package with 16 leads and a 3.9 mm body width. The package has a nominal 1.27 mm (50 mil) lead pitch, a body length of 9.8 mm to 10.0 mm, and a maximum package height of 1.75 mm, making it suitable for standard SO16 PCB footprints.
  • 4. What does the ordering code "74HC595D" indicate?
    The ordering code 74HC595D identifies a member of Nexperia's 74HC high-speed CMOS logic family. The device is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs, and the "D" suffix denotes the SO16 (SOT109-1) plastic small-outline package.
  • 5. What ESD ratings and operating temperature range are specified for the 74HC595D?
    The 74HC595D is specified for operation over an ambient temperature range of −40°C to +125°C. The device provides HBM ESD protection exceeding 2,000 V (ANSI/ESDA/JEDEC JS-001 Class 2) and CDM protection exceeding 1,000 V (ANSI/ESDA/JEDEC JS-002 Class C3). The datasheet also notes that the inputs include clamp diodes, enabling the use of current-limiting resistors when interfacing inputs to voltages above VCC.