SN74HC193NG4 Equivalent & Substitute Parts

Part Overview

The SN74HC193NG4 is a 4-bit binary counter IC manufactured by Texas Instruments, designed for synchronous up/down counting applications. This component features positive edge triggering, asynchronous reset, and operates across a 2V to 6V supply voltage range with a maximum count rate of 24 MHz. The part is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing production and maintenance applications. The 74HC series provides standard logic functionality suitable for digital counting and sequencing circuits.

Substiute Parts

SN74HC193NG4

Texas InstrumentsIn Stock: 1158SN74HC193NG4 Datasheet

Current PartRFQ

SN74HC193N

Texas InstrumentsIn Stock: 13574SN74HC193N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SN74HC193NG4 is determined by strict equivalence across the following critical parameters:

• Logic Type: Binary Counter (4-bit)
• Bit Configuration: 1 Element, 4 Bits per Element
• Directional Capability: Up/Down counting
• Reset Mechanism: Asynchronous
• Timing Architecture: Synchronous
• Count Rate: 24 MHz minimum
• Trigger Mechanism: Positive Edge
• Supply Voltage Range: 2 V ~ 6 V
• Package Type: 16-DIP (0.300", 7.62mm)
• Mounting: Through Hole

The SN74HC193N meets all these parameters and qualifies as a direct substitute. Both parts share the same base product number (74HC193) and identical electrical and mechanical specifications. The primary difference is product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

The SN74HC193N is the direct substitute for the SN74HC193NG4. Both parts are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications. The SN74HC193N is currently in active production status, whereas the SN74HC193NG4 is discontinued. Both parts carry ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component manufacturing and distribution.

Selection of the SN74HC193N is appropriate for applications requiring the 74HC193 4-bit binary counter functionality. The active product status of the SN74HC193N ensures ongoing availability and supply chain reliability for new designs and production runs.

Frequently Asked Questions (FAQ)

Q: Can the SN74HC193N directly replace the SN74HC193NG4 in existing designs?

A: Yes. Both parts are electrically and mechanically identical. The SN74HC193N operates across the same voltage range (2V to 6V), supports identical count rates (24 MHz), and uses the same 16-DIP package. Pin configuration and functional behavior are equivalent.

Q: What is the difference between SN74HC193NG4 and SN74HC193N?

A: The primary difference is product status. The SN74HC193NG4 is discontinued at DiGi Electronics, while the SN74HC193N is in active production. The packaging format differs (NG4 vs. N designation), but electrical specifications remain identical.

Q: Are there any compliance or certification differences?

A: No. Both parts carry ROHS3 compliance and REACH unaffected status. Regulatory compliance is equivalent between the two parts.

Q: Is the 16-DIP package compatible with existing PCB layouts?

A: Yes. Both parts use the 16-DIP (0.300", 7.62mm) through-hole package. PCB footprints and mounting requirements are identical.

Q: What is the minimum count rate specification?

A: Both parts support a count rate of 24 MHz, suitable for standard digital counting and sequencing applications within this frequency range.