SN74F112NG4 Equivalent & Substitute Parts

Part Overview

The SN74F112NG4 is a dual JK-type flip-flop logic integrated circuit manufactured by Texas Instruments, housed in a 16-DIP package. This component functions as a 2-element JK flip-flop with complementary outputs, triggered on negative edge clock transitions. The SN74F112NG4 is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement.

Substiute Parts

SN74F112NG4

Texas InstrumentsIn Stock: 912SN74F112NG4 Datasheet

Current PartRFQ

SN74F112N

Texas InstrumentsIn Stock: 3136SN74F112N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SN74F112NG4 is determined by strict equivalence across the following critical parameters:

• Logic Function: Dual JK-type flip-flop with 2 elements, 1 bit per element
• Output Configuration: Complementary outputs
• Trigger Mechanism: Negative edge triggered
• Electrical Performance: 130 MHz clock frequency, 6.5 ns propagation delay @ 5V/50pF
• Power Supply: 4.5V to 5.5V operating range
• Output Drive Capability: 1mA high, 20mA low
• Package: 16-DIP (0.300", 7.62mm) through-hole mounting
• Compliance: ROHS3 compliant, REACH unaffected

The SN74F112N qualifies as a direct manufacturer-recommended substitute, maintaining identical electrical specifications and package configuration while offering active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The SN74F112N is the direct equivalent substitute for the discontinued SN74F112NG4. Both parts maintain identical electrical specifications, functional characteristics, and package configuration. The SN74F112N carries active product status with significantly higher inventory availability (3050 pcs vs. 848 pcs), ensuring reliable procurement for new designs and legacy system support.

Both parts satisfy ROHS3 compliance and REACH requirements, making them suitable for applications subject to environmental and regulatory standards. The transition from SN74F112NG4 to SN74F112N requires no circuit modifications, pin reassignment, or performance adjustments.

Frequently Asked Questions (FAQ)

Q: Can the SN74F112N directly replace the SN74F112NG4 without circuit modifications?

A: Yes. The SN74F112N is electrically and functionally identical to the SN74F112NG4. All electrical parameters, pin configurations, and timing specifications are equivalent. Direct substitution is possible without design changes.

Q: What is the difference between SN74F112NG4 and SN74F112N?

A: The primary difference is product status and packaging format. The SN74F112NG4 is discontinued, while the SN74F112N is active. The SN74F112N is supplied in tube packaging, whereas the SN74F112NG4 was supplied in alternative packaging. Electrical performance and pin configuration are identical.

Q: Are both parts ROHS3 compliant?

A: Yes. Both the SN74F112NG4 and SN74F112N are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for industrial and commercial applications.

Q: What is the operating temperature range for these parts?

A: Both parts operate across 0°C to 70°C (TA), suitable for standard commercial and industrial temperature environments.

Q: Can these parts be used in new designs?

A: The SN74F112N is recommended for new designs due to its active product status and reliable availability. The SN74F112NG4 is discontinued and should be reserved for legacy system maintenance only.