Request Quote
(Ships tomorrow)
Renesas Electronics 91305AMLF Zero Delay Buffer IC - Equivalent & Substitute Parts
Part Overview
The Renesas Electronics 91305AMLF is a Zero Delay Buffer IC operating at 133MHz with a 1:5 input-to-output ratio in an 8-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates within a 3V to 3.6V supply voltage range and is suitable for clock distribution applications requiring minimal propagation delay.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 91305AMLF |
| Manufacturer | Renesas Electronics Corporation |
| Category | Clock/Timing |
| Type | Zero Delay Buffer |
| Frequency - Max | 133MHz |
| Ratio - Input:Output | 1:5 |
| Voltage - Supply | 3V ~ 3.6V |
| Operating Temperature | 0°C ~ 70°C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| PLL | Yes |
| Number of Circuits | 1 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for the 91305AMLF is determined by the following critical parameters:
- Package Compatibility: All substitutes must use 8-SOIC (0.154", 3.90mm Width) surface mount packaging
- Frequency Range: Maximum operating frequency must be ≥133MHz
- Supply Voltage: Operating range must encompass 3V to 3.6V
- Input/Output Ratio: 1:5 ratio requirement
- Circuit Count: Single circuit configuration
- Mounting Type: Surface mount only
Substitute parts are grouped into two categories:
Category 1 - Direct Functional Equivalents (Zero Delay Buffer Type): Parts maintaining identical or superior frequency specifications, same package, and compatible voltage ranges. These include Renesas 2305B-1DCG, Diodes Incorporated PI6C2405A series (PI6C2405A-1HWEX, PI6C2405A-1WE, PI6C2405A-1WEX), and Skyworks Solutions SL2305SI-1H.
Category 2 - Performance Upgrade (PLL Clock Driver Type): Texas Instruments CDCVF2505D and CDCVF2505DR offer enhanced frequency capability (200MHz) while maintaining package compatibility and voltage specifications, providing higher performance margin for clock distribution applications.
Parameter Comparison
| Parameter | 91305AMLF | 2305B-1DCG | PI6C2405A-1HWEX | PI6C2405A-1WEX | CDCVF2505D | SL2305SI-1H |
|---|---|---|---|---|---|---|
| Manufacturer | Renesas | Renesas | Diodes Inc. | Diodes Inc. | Texas Instruments | Skyworks |
| Type | Zero Delay Buffer | Zero Delay Buffer | Zero Delay Buffer | Zero Delay Buffer | PLL Clock Driver | Buffer |
| Frequency - Max | 133MHz | 133MHz | 133MHz | 133MHz | 200MHz | 140MHz |
| Ratio - Input:Output | 1:5 | 1:5 | 1:5 | 1:5 | 1:5 | 1:5 |
| Voltage - Supply | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| PLL | Yes | Yes with Bypass | Yes | Yes | Yes with Bypass | Yes |
| Product Status | Obsolete | Active | Last Time Buy | Last Time Buy | Active | Obsolete |
| RoHS Status | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not specified |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 2A (4 Weeks) |
Engineering Selection Recommendations
Primary Recommendation - Renesas 2305B-1DCG: This part is the manufacturer-recommended equivalent, maintaining identical frequency specifications (133MHz) and operating temperature range (0°C to 70°C) as the 91305AMLF. It is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating, ensuring long-term availability and environmental regulation compliance.
Secondary Recommendation - Diodes Incorporated PI6C2405A Series: The PI6C2405A-1HWEX and PI6C2405A-1WEX variants provide functional equivalence with identical frequency and voltage specifications. Both parts carry ROHS3 compliance and unlimited MSL rating. Note that these parts are classified as Last Time Buy, indicating limited future availability.
Performance Upgrade Option - Texas Instruments CDCVF2505D/CDCVF2505DR: These parts offer enhanced frequency capability at 200MHz while maintaining full package and voltage compatibility. The CDCVF2505DR variant in Tape & Reel packaging provides the highest inventory availability (31,841 units). Both variants are in active production with ROHS3 compliance and extended operating temperature range (-40°C to 85°C), suitable for applications requiring higher frequency margin or broader temperature operation.
Avoid - Skyworks SL2305SI-1H: This part is classified as obsolete with 2A moisture sensitivity level (4-week shelf life), limiting its suitability for long-term production use despite meeting core electrical specifications.
Frequently Asked Questions (FAQ)
Q: Can I directly replace 91305AMLF with 2305B-1DCG without PCB modifications?
A: Yes. Both parts use identical 8-SOIC packaging with the same pinout configuration. No PCB layout changes are required for this substitution.
Q: What is the difference between CDCVF2505D and CDCVF2505DR?
A: Both parts are electrically identical PLL Clock Driver ICs with 200MHz maximum frequency. The primary difference is packaging format: CDCVF2505D is supplied in Tube packaging, while CDCVF2505DR is supplied in Cut Tape and Digi-Reel format. The CDCVF2505DR variant has higher inventory availability.
Q: Why do some substitutes have extended operating temperature ranges (-40°C to 85°C) versus the original (0°C to 70°C)?
A: Extended temperature ranges indicate broader environmental qualification. If your application operates only within 0°C to 70°C, parts with extended ranges remain fully compatible. Extended range parts provide additional design margin for future applications.
Q: Are all substitute parts RoHS3 compliant?
A: The Renesas 2305B-1DCG and Diodes Incorporated PI6C2405A series are confirmed ROHS3 compliant. Texas Instruments CDCVF2505 variants are ROHS3 compliant. Skyworks SL2305SI-1H compliance status is not specified in available documentation.
Q: What does "Last Time Buy" status mean for PI6C2405A parts?
A: Last Time Buy indicates the manufacturer has announced end-of-life for this product line. Existing inventory is available for purchase, but no new production will occur after the designated cutoff date. These parts remain suitable for current designs but should not be selected for new long-term production programs.
Q: Can I use CDCVF2505D as a direct replacement if my circuit only requires 133MHz operation?
A: Yes. The CDCVF2505D operates at frequencies up to 200MHz and is fully backward compatible at 133MHz operation. The higher frequency capability provides additional performance margin without affecting circuit functionality at lower frequencies.
Q: What is the significance of the 1:5 input-to-output ratio?
A: This ratio indicates the part accepts one clock input signal and distributes it to five output channels. All listed substitutes maintain this same 1:5 distribution ratio, ensuring compatible circuit behavior.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts