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74HC4094D,652 Equivalent & Substitute Parts
Part Overview
The 74HC4094D,652 is an 8-stage shift register with bus register functionality manufactured by Nexperia USA Inc. in a 16-SOIC surface mount package. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement continuity. The 74HC4094 series provides serial-to-parallel data conversion with tri-state output capability, operating across a 2V to 6V supply voltage range and -40°C to 125°C temperature range.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74HC4094D,652 |
| Manufacturer | Nexperia USA Inc. |
| Logic Type | Shift Register |
| Output Type | Tri-State |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| 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) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the 74HC4094D,652 is determined by strict equivalence across the following critical parameters:
- Logic Type: Shift Register (8-bit, 1 element)
- Output Type: Tri-State
- Function: Serial to Parallel conversion capability
- Voltage Supply Range: 2V ~ 6V minimum compatibility
- Operating Temperature Range: Must support -40°C to 125°C or broader
- Mounting Type: Surface Mount
- Package / Case: 16-SOIC form factor with compatible pin pitch (0.154" width)
- RoHS Compliance: ROHS3 Compliant
- Base Product Number: 74HC4094 series
Substitute parts are grouped into three categories: direct equivalents (same manufacturer, different packaging), active alternatives (different manufacturers, identical electrical specifications), and extended-range alternatives (broader operating temperature specifications).
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Output Type | Bits per Element | Voltage Supply | Operating Temp | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| 74HC4094D,652 | Nexperia USA Inc. | Shift Register | Tri-State | 8 | 2V ~ 6V | -40°C ~ 125°C | 16-SOIC (0.154") | Obsolete | ROHS3 |
| 74HC4094D,653 | Nexperia USA Inc. | Shift Register | Tri-State | 8 | 2V ~ 6V | -40°C ~ 125°C | 16-SOIC (0.154") | Active | ROHS3 |
| CD74HC4094M | Texas Instruments | Shift Register | Tri-State | 8 | 2V ~ 6V | -55°C ~ 125°C | 16-SOIC (0.154") | Discontinued at DiGi Electronics | ROHS3 |
| CD74HC4094M96 | Texas Instruments | Shift Register | Tri-State | 8 | 2V ~ 6V | -55°C ~ 125°C | 16-SOIC (0.154") | Active | ROHS3 |
| CD74HC4094M96G3 | Texas Instruments | Shift Register | Tri-State | 8 | 2V ~ 6V | -55°C ~ 125°C | 16-SOIC (0.154") | Active | ROHS3 |
| CD74HC4094MT | Texas Instruments | Shift Register | Tri-State | 8 | 2V ~ 6V | -55°C ~ 125°C | 16-SOIC (0.154") | Discontinued at DiGi Electronics | ROHS3 |
| CD74HC4094NSR | Texas Instruments | Shift Register | Tri-State | 8 | 2V ~ 6V | -55°C ~ 125°C | 16-SOIC (0.209") | Active | ROHS3 |
| M74HC4094YRM13TR | STMicroelectronics | Shift Register | Tri-State | 8 | 2V ~ 6V | -40°C ~ 125°C | 16-SOIC (0.154") | Active | ROHS3 |
| MC74HC4094ADG | onsemi | Shift Register | Tri-State | 8 | 2V ~ 6V | -55°C ~ 125°C | 16-SOIC (0.154") | Obsolete | ROHS3 |
| MC74HC4094ADR2G | onsemi | Shift Register | Tri-State | 8 | 2V ~ 6V | -55°C ~ 125°C | 16-SOIC (0.154") | Last Time Buy | ROHS3 |
Engineering Selection Recommendations
For applications currently using the 74HC4094D,652, the following selection criteria apply based on product status and compliance:
Primary Recommendation: 74HC4094D,653 (Nexperia USA Inc.) provides direct functional equivalence with identical electrical specifications and package dimensions. This part maintains active product status and is the preferred direct replacement.
Secondary Recommendations: CD74HC4094M96 and CD74HC4094M96G3 (Texas Instruments) offer extended operating temperature range (-55°C to 125°C) compared to the original specification (-40°C to 125°C), providing additional thermal margin. Both parts maintain active status and ROHS3 compliance.
Alternative Options: M74HC4094YRM13TR (STMicroelectronics) provides active product status with automotive-grade qualification (AEC-Q100) and identical temperature range to the original part. MC74HC4094ADR2G (onsemi) offers extended temperature range but is designated Last Time Buy status.
Package Consideration: CD74HC4094NSR (Texas Instruments) features a wider 16-SOIC package (0.209" width) compared to the standard 0.154" width. This part is electrically equivalent but requires PCB layout verification for mechanical compatibility.
Parts with discontinued or obsolete status (CD74HC4094M, CD74HC4094MT, MC74HC4094ADG) should be avoided for new designs unless existing inventory is available and supply chain continuity is confirmed.
Frequently Asked Questions (FAQ)
Q: Can I directly replace 74HC4094D,652 with 74HC4094D,653?
A: Yes. Both parts share identical electrical specifications, operating temperature range, package dimensions, and pin configuration. The difference is packaging format (reel vs. tube) and product status (active vs. obsolete). 74HC4094D,653 is the direct equivalent.
Q: What is the difference between CD74HC4094M96 and CD74HC4094M96G3?
A: Both parts are functionally identical with identical electrical specifications and package dimensions. The difference is packaging format: CD74HC4094M96 uses Cut Tape & Digi-Reel packaging, while CD74HC4094M96G3 uses Tape & Reel packaging. Selection depends on procurement and assembly requirements.
Q: Why does CD74HC4094NSR have a different package width (0.209" vs. 0.154")?
A: CD74HC4094NSR uses a 16-SO package variant with wider body dimensions compared to the standard 16-SOIC package. While electrically equivalent, this part requires verification of PCB footprint compatibility before substitution. Pin pitch and electrical function remain identical.
Q: Can I use M74HC4094YRM13TR as a substitute?
A: Yes. M74HC4094YRM13TR is electrically equivalent with identical voltage supply range and operating temperature range. This part carries automotive-grade qualification (AEC-Q100) and is actively produced by STMicroelectronics. Moisture sensitivity level differs (MSL 3 vs. MSL 1), which may affect storage and handling requirements.
Q: What is the advantage of using CD74HC4094M96 over 74HC4094D,653?
A: CD74HC4094M96 provides extended operating temperature range (-55°C to 125°C vs. -40°C to 125°C), offering additional thermal margin for applications operating at lower temperatures. Both parts are electrically equivalent and use identical package dimensions. Selection depends on application temperature requirements.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original 74HC4094D,652 specification.
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