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74HC595D,112 Equivalent & Substitute Parts
Part Overview
The 74HC595D,112 is an 8-bit shift register with tri-state output manufactured by Nexperia USA Inc. This logic component functions as a serial-to-parallel converter, commonly used in digital circuits for data shifting and parallel output control. The part is classified as Obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain identical electrical specifications and compatible packaging to ensure direct replacement capability.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Logic Type | Shift Register |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Output Type | Tri-State |
| Function | Serial to Parallel, Serial |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the 74HC595D,112 is determined by the following critical parameters:
- Logic Type & Function: Must be Shift Register with Serial to Parallel, Serial function
- Bit Configuration: Must have 1 Element with 8 Bits per Element
- Output Type: Must be Tri-State
- Supply Voltage: Must support 2V ~ 6V range
- Package Compatibility: Primary compatibility with 16-SOIC (0.154", 3.90mm Width); limited compatibility with 16-SOIC (0.295", 7.50mm Width) and 16-SO (0.209", 5.30mm Width) variants
- Compliance: Must maintain ROHS3 Compliant and MSL 1 (Unlimited) status
Substitute parts are grouped into three categories based on package dimensions and operating temperature ranges:
Group 1 - Direct Package Match (16-SOIC 0.154", 3.90mm): MC74HC595ADG, MC74HC595ADR2G, MM74HC595M, CD74HC595M96, CD74HC595MT
Group 2 - Alternate SOIC Package (16-SOIC 0.295", 7.50mm): CD74HC595DW, CD74HC595DWR, CD74HC595M
Group 3 - 16-SO Package (0.209", 5.30mm): CD74HC595NSR
Group 4 - Nexperia Direct Variant: 74HC595D,118
Parameter Comparison
| Part Number | Manufacturer | Product Status | Operating Temperature | Package / Case | Voltage - Supply | Output Type |
|---|---|---|---|---|---|---|
| 74HC595D,112 | Nexperia USA Inc. | Obsolete | -40°C ~ 125°C | 16-SOIC (0.154", 3.90mm) | 2V ~ 6V | Tri-State |
| 74HC595D,118 | Nexperia USA Inc. | Active | -40°C ~ 125°C | 16-SOIC (0.154", 3.90mm) | 2V ~ 6V | Tri-State |
| MC74HC595ADR2G | onsemi | Active | -55°C ~ 125°C | 16-SOIC (0.154", 3.90mm) | 2V ~ 6V | Tri-State |
| MC74HC595ADG | onsemi | Active | -55°C ~ 125°C | 16-SOIC (0.154", 3.90mm) | 2V ~ 6V | Tri-State |
| CD74HC595DWR | Texas Instruments | Active | -55°C ~ 125°C | 16-SOIC (0.295", 7.50mm) | 2V ~ 6V | Tri-State |
| CD74HC595M96 | Texas Instruments | Active | -55°C ~ 125°C | 16-SOIC (0.154", 3.90mm) | 2V ~ 6V | Tri-State |
| MM74HC595M | onsemi | Active | -40°C ~ 85°C | 16-SOIC (0.154", 3.90mm) | 2V ~ 6V | Tri-State |
| CD74HC595NSR | Texas Instruments | Active | -55°C ~ 125°C | 16-SO (0.209", 5.30mm) | 2V ~ 6V | Tri-State |
Engineering Selection Recommendations
Primary Recommendation: 74HC595D,118 (Nexperia USA Inc.)
This part is the direct successor from the same manufacturer with identical electrical and mechanical specifications. It maintains the same operating temperature range (-40°C ~ 125°C) and package dimensions (16-SOIC 0.154", 3.90mm Width), ensuring seamless integration into existing PCB designs. Active product status guarantees long-term availability and supply chain stability.
Secondary Recommendations for Direct Package Compatibility:
MC74HC595ADR2G and MC74HC595ADG (onsemi) are functionally equivalent with extended operating temperature range (-55°C ~ 125°C) and identical package dimensions. These parts are actively manufactured with high inventory availability.
CD74HC595M96 (Texas Instruments) provides equivalent functionality with extended temperature range and active product status, maintaining the same package footprint.
Alternative for Extended Temperature Range: CD74HC595DWR (Texas Instruments) offers -55°C ~ 125°C operating range but uses a wider 16-SOIC package (0.295", 7.50mm Width), requiring PCB layout modification.
Not Recommended: MM74HC595M has a reduced operating temperature range (-40°C ~ 85°C), which may not meet applications requiring full -40°C ~ 125°C performance. CD74HC595MT and CD74HC595DW are obsolete or last-time-buy status.
Frequently Asked Questions (FAQ)
Q: Can I use 74HC595D,118 as a direct replacement for 74HC595D,112?
A: Yes. Both parts are manufactured by Nexperia USA Inc. with identical electrical specifications, operating temperature range, and package dimensions. The 74HC595D,118 is the active production variant and provides direct compatibility.
Q: What is the difference between the 16-SOIC packages listed (0.154", 3.90mm vs. 0.295", 7.50mm)?
A: These represent different SOIC package body widths. The 0.154" (3.90mm) width is the standard narrow-body SOIC used by the 74HC595D,112. The 0.295" (7.50mm) width is a wider variant used by some Texas Instruments parts. PCB footprints are not interchangeable without layout modification.
Q: Are onsemi MC74HC595ADR2G and MC74HC595ADG interchangeable?
A: Yes. Both are onsemi 74HC595 variants with identical electrical specifications and 16-SOIC (0.154", 3.90mm) package. The primary difference is packaging format: ADR2G is supplied in Cut Tape & Digi-Reel format, while ADG is supplied in Tube format.
Q: Why does MM74HC595M have a lower maximum operating temperature (85°C vs. 125°C)?
A: MM74HC595M is a variant with reduced temperature specification. Applications requiring full -40°C ~ 125°C operation must use alternative parts such as MC74HC595ADR2G, MC74HC595ADG, or CD74HC595M96.
Q: Can I use CD74HC595NSR with its 16-SO package instead of 16-SOIC?
A: CD74HC595NSR uses a 16-SO package (0.209", 5.30mm width) which has different pin spacing and footprint compared to the 16-SOIC (0.154", 3.90mm) package of the 74HC595D,112. Direct PCB substitution is not possible without layout redesign.
Q: What does "Tri-State" output mean for this shift register?
A: Tri-State output means the output pins can assume three states: logic high, logic low, or high-impedance (floating). This allows multiple devices to share the same output bus without conflict when properly controlled.
Q: Are all substitute parts ROHS3 Compliant?
A: Yes. All listed substitute parts maintain ROHS3 Compliant status and MSL 1 (Unlimited) moisture sensitivity level, matching the compliance profile of the 74HC595D,112.
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