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HomeProductsIntegrated Circuits (ICs)Logic - Shift Registers74HCT595N,112
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74HCT595N,112 - NXP USA Inc.

Manufacturer Part Number
74HCT595N,112
Manufacturer
NXP Semiconductors
Allelco Part Number
98D-74HCT595N,112
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
7,436 pcs available, New & Original
Parts Description
IC SHIFT REGISTER 8BIT 16DIP
Package
16-DIP
Data sheet
74HCT595N,112.pdf

Datasheets

74HC(T)595.pdf

PCN Obsolescence/ EOL

Multiple Devices 29/Dec/2014.pdf
RoHs Status
ROHS3 Compliant
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Specifications

74HCT595N,112 Tech Specifications
NXP USA Inc. - 74HCT595N,112 technical specifications, attributes, parameters and parts with similar specifications to NXP USA Inc. - 74HCT595N,112

Product Attribute Attribute Value
Manufacturer NXP Semiconductors
Voltage - Supply 4.5V ~ 5.5V
Supplier Device Package 16-DIP
Series 74HCT
Package / Case 16-DIP (0.300", 7.62mm)
Package Tube
Output Type Tri-State
Product Attribute Attribute Value
Operating Temperature -40°C ~ 125°C
Number of Elements 1
Number of Bits per Element 8
Mounting Type Through Hole
Logic Type Shift Register
Function Serial to Parallel, Serial
Base Product Number 74HCT595

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the 74HCT595N,112 handle voltage compatibility when interfacing with 3.3V microcontrollers?
The 74HCT595N,112 operates within a supply voltage range of 4.5V to 5.5V, but its input high-level threshold is typically around 2.0V, which allows reliable logic-high recognition from 3.3V CMOS outputs. This makes it suitable for direct connection to 3.3V microcontrollers without level-shifting circuitry, provided the system’s 5V supply is stable and noise margins are maintained under all operating conditions.
What are the key timing considerations when cascading multiple 74HCT595N,112 devices for extended bit-width applications?
When daisy-chaining 74HCT595N,112 units, the total propagation delay accumulates per stage—typically 13 ns at 4.5V for the shift register path. Designers must ensure that the clock frequency accounts for cumulative delays, especially in high-speed applications. For example, at 10 MHz, a chain of four devices introduces approximately 52 ns of delay, which may require clock phase adjustment or reduced frequency to meet setup and hold times on the receiving end.
Can the 74HCT595N,112 be used in automotive environments given its operating temperature range?
The 74HCT595N,112 supports an operating temperature range of -40°C to 125°C, which aligns with many automotive under-hood or interior electronics requirements. However, full automotive qualification (e.g., AEC-Q100) is not specified, so additional validation—such as thermal cycling and long-term reliability testing—is recommended if used in safety-critical or harsh-environment applications.
How does the tri-state output feature of the 74HCT595N,112 improve system design flexibility?
The tri-state outputs on the 74HCT595N,112 allow multiple devices to share a common parallel bus without contention. By asserting the OE (Output Enable) pin low, outputs become active; when high, they enter high-impedance state. This enables efficient bus sharing in multi-device systems, such as LED matrix drivers or multiplexed display interfaces, where only one register drives the bus at a time.
What is the significance of the MSL 1 rating for the 74HCT595N,112 in manufacturing workflows?
The moisture sensitivity level (MSL) of 1 (unlimited floor life) for the 74HCT595N,112 indicates it is not susceptible to moisture-induced damage during soldering. This eliminates the need for dry storage, baking, or time-limited exposure controls during PCB assembly, streamlining production and reducing handling complexity compared to higher-MSL components.
How does the 74HCT595N,112 compare to the 74HCT595D,118 in terms of packaging and thermal performance?
The 74HCT595N,112 uses a 16-DIP through-hole package, while the 74HCT595D,118 is supplied in a 16-SOIC surface-mount format. The DIP version offers easier manual prototyping and better mechanical robustness in vibration-prone environments, whereas the SOIC variant provides smaller footprint and improved thermal dissipation due to closer PCB coupling—making the choice dependent on assembly method and space constraints.
What current sourcing capability should be expected from the parallel outputs of the 74HCT595N,112 when driving LEDs?
The 74HCT595N,112 can source up to 6.1 mA per output pin under typical 5V operation while maintaining valid logic-high levels (VOH ≥ 4.4V). This is sufficient for driving low-current LEDs with series resistors, but for higher-brightness applications, external transistors or dedicated LED drivers are recommended to avoid exceeding per-pin and total package power limits.
Is the 74HCT595N,112 suitable for use in battery-powered systems with tight power budgets?
While the 74HCT595N,112 has relatively low quiescent current (typically 80 µA at 5V), its dynamic power consumption increases with clock frequency and output switching activity. In battery-powered designs, minimizing clock speed and using the output enable to disable unused outputs can help reduce average current. However, for ultra-low-power applications, CMOS alternatives with lower ICC may be more appropriate.
How does the serial-to-parallel conversion timing work in the 74HCT595N,112 during a full 8-bit load cycle?
In the 74HCT595N,112, data is shifted in serially on the rising edge of SRCLK, with each bit advancing through the internal register. After eight clock pulses, the full byte is latched into the storage register on the rising edge of RCLK. The minimum pulse width for both clocks is 15 ns at 4.5V, so timing margins must account for signal rise times and propagation skew in high-reliability designs.
What design precautions are necessary when using the 74HCT595N,112 in high-noise industrial environments?
In electrically noisy settings, decoupling capacitors (e.g., 100 nF ceramic) should be placed close to the VCC and GND pins of the 74HCT595N,112 to suppress supply transients. Additionally, series termination resistors on clock and data lines can reduce ringing, and proper grounding techniques—such as star grounding or ground planes—help maintain signal integrity and prevent unintended state changes.
Can the 74HCT595N,112 be substituted with the SN74AHCT595N in an existing 5V TTL design?
The SN74AHCT595N is a functionally compatible substitute for the 74HCT595N,112 and offers similar voltage thresholds and tri-state behavior. However, the AHCT variant typically features faster propagation delays (around 7 ns vs. 13 ns) and lower power consumption. While drop-in replacement is generally feasible, timing-critical applications should be re-evaluated to ensure setup and hold times remain satisfied with the faster edge rates.
How does the 74HCT595N,112 manage data retention during power-up or brownout conditions?
The 74HCT595N,112 does not guarantee defined output states during power-up or voltage droop below 4.5V. Outputs may float or assume random logic levels until VCC stabilizes. To ensure predictable startup behavior, a power-on reset circuit or external pull-up/down resistors on critical output lines are recommended, especially in systems where glitches during initialization could cause unintended actuator activation.

Parts with Similar Specifications

The three parts on the right have similar specifications to NXP USA Inc. 74HCT595N,112

Product Attribute 74HCT595PW,112 74HCT595DB,112 74HCT595PW,112 74HCT595D-Q100,118
Part Number 74HCT595PW,112 74HCT595DB,112 74HCT595PW,112 74HCT595D-Q100,118
Manufacturer NXP Semiconductors Nexperia USA Inc. Nexperia USA Inc. Nexperia USA Inc.
Output Type - Current - Unbuffered Voltage - Buffered -
Voltage - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Bits per Element - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Series - - - -
Number of Elements - - - -
Logic Type - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Function - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

74HCT595N,112 Datasheet PDF

Download 74HCT595N,112 pdf datasheets and NXP USA Inc. documentation for 74HCT595N,112 - NXP USA Inc..

Datasheets
74HC(T)595.pdf
PCN Assembly/Origin
ICN6 to ICN8 Transfer 13/Jul/2013.pdf
PCN Obsolescence/ EOL
Multiple Devices 29/Dec/2014.pdf
PCN Packaging
All Dev Label Update 15/Dec/2020.pdf
Environmental Information
NXP USA Inc REACH.pdf NXP USA Inc RoHS Cert.pdf

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    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

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    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

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74HCT595N,112 Image

74HCT595N,112

NXP USA Inc.
98D-74HCT595N,112

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