Microchip Technology SY10EP08VKC-TR
- Part No.:
- SY10EP08VKC-TR
- Manufacturer:
- Microchip Technology
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
SY10EP08VKC-TR.pdf
- Description:
- IC GATE XOR/XNOR 3.3V/5V 8-MSOP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SY10EP08VKC-TR from Micrel is a 2-input differential ECL/XLPECL XOR/XNOR gate operating at 3.3V or 5V supply, delivering >3 GHz maximum toggle frequency, 200 ps typical propagation delay, and dual complementary ECL outputs (Q, /Q). It serves high-speed logic decision paths in telecom clock/data recovery and RF sampling systems.
For engineers reviewing the SY10EP08VKC-TR datasheet, SY10EP08VKC-TR pinout, SY10EP08VKC-TR application, or SY10EP08VKC-TR equivalent, key selection criteria include differential input voltage swing (150–1200 mV), output drive into 50Ω to VCC–2.0V, guaranteed AC functionality up to >3 GHz, and MSOP-8 package compatibility with high-density PCB layouts.
Technical Context
The SY10EP08VKC-TR implements true differential ECL logic with internal pulldown on D inputs and pulldown/pullup on /D inputs, enabling robust noise immunity. Its Q output defaults LOW when inputs are open or at VEE, supporting fail-safe initialization in high-speed control paths.
It supports three ECL operating modes: NECL (VCC = 0V, VEE = –3.0V to –5.5V), 3.3V LVPECL (VCC = 3.3V, VEE = 0V), and 5.0V PECL (VCC = 5.0V, VEE = 0V), with all DC parameters scaling 1:1 with VCC and output loading fixed at 50Ω to VCC–2.0V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | 2-input differential XOR/XNOR with complementary Q and /Q outputs |
| Max Toggle Frequency | >3 GHz - enables use in 3 Gbps+ serial data path decision circuits |
| Propagation Delay | 120–260 ps (typ. 200 ps) - ensures sub-nanosecond timing alignment in parallel bus arbitration |
| Supply Options | NECL (VEE = –3.0V to –5.5V), 3.3V LVPECL, or 5.0V PECL - supports legacy and modern ECL infrastructure |
| Input Voltage Swing | 150–1200 mV differential - accommodates low-swing clock sources and high-noise-margin signaling |
| Output Load | 50Ω to VCC–2.0V - matches standard ECL termination for impedance-controlled routing |
| Operating Temp | –40°C to +85°C - qualified for commercial-grade industrial and telecom equipment |
Pinout & Package
SY10EP08VKC-TR is housed in an 8-pin MSOP (K8-1) package with exposed pad thermal enhancement, footprint-compatible with SOIC-8 but 35% smaller area.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (D0) | Differential Data Input | True-side input for first operand; internally pulldown-biased |
| 2 (/D0) | Differential Data Input | Complement-side input for first operand; internally pulldown + pullup biased |
| 3 (D1) | Differential Data Input | True-side input for second operand; internally pulldown-biased |
| 4 (/D1) | Differential Data Input | Complement-side input for second operand; internally pulldown + pullup biased |
| 5 (Q) | Differential Output | True-side XOR/XNOR result; defaults LOW if all inputs open or at VEE |
| 6 (/Q) | Differential Output | Complement-side result; fully complementary to Q output |
| 7 (VCC) | Positive Supply Rail | Accepts 3.3V, 5.0V, or 0V (for NECL mode); all I/O scales 1:1 with VCC |
| 8 (VEE) | Negative Supply Rail | Accepts 0V (LVPECL/PECL) or –3.0V to –5.5V (NECL); defines common-mode reference |
Key Features
| Feature | Design Value |
|---|---|
| Fail-Safe Output Default | Q output asserts LOW when inputs are floating or tied to VEE - eliminates undefined state during power-up or signal loss |
| Integrated Input Biasing | Internal pulldowns on D pins and pulldown+pullups on /D pins - removes need for external bias resistors in point-to-point links |
| Multi-Voltage Mode Support | Single device operates across NECL, 3.3V LVPECL, and 5.0V PECL without redesign - simplifies platform reuse across voltage domains |
| High-Speed Timing Margin | 200 ps typical propagation delay with 70–170 ps rise/fall times - enables setup/hold compliance in <1 ns clock cycles |
| Thermal Performance | θJA = 206°C/W (still air, MSOP) - supports sustained >3 GHz operation in compact enclosures with passive cooling |
Applications
| Telecom Clock Recovery | RF Sampling Gate Control |
|---|---|
Use Scenario: Extracting clean clock edges from jittered serial data streams in SONET/SDH line cards. IC Role / Device Role / Timing Role: XOR-based phase detector in analog PLL loops, comparing delayed and undelayed data paths. Use Value: >3 GHz bandwidth and 200 ps delay enable sub-bit-period phase comparison for 2.5 Gbps+ data rates. | Use Scenario: Enabling precise time-gated sampling of wideband RF signals in test instrumentation front-ends. IC Role / Device Role / Timing Role: High-speed gating element synchronizing sample-and-hold triggers with local oscillator harmonics. Use Value: Differential Q and /Q outputs drive matched transmission lines to minimize skew-induced aperture jitter below 50 fs. |
| Parallel Bus Arbitration | High-Speed Logic Test Fixture |
Use Scenario: Resolving contention between multiple backplane masters using encoded priority signals. IC Role / Device Role / Timing Role: XOR/XNOR comparator generating grant/deny decisions across 8-bit address-matched arbitration vectors. Use Value: 120–260 ps propagation window ensures deterministic resolution within one 1.25 GHz bus cycle. | Use Scenario: Generating calibrated differential stimulus patterns for characterizing ADC/DAC dynamic performance. IC Role / Device Role / Timing Role: Pattern generator core producing synchronous, edge-aligned complementary waveforms. Use Value: Internal biasing and 150–1200 mV input swing tolerance allow direct connection to arbitrary waveform generators without level-shifting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential XOR/XNOR gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC100EP08DG | Same 8-pin SOIC package; identical AC specs but higher IEE (32 mA typ. vs. 30 mA); no MSOP option | Preferred where board space allows SOIC and higher supply current is acceptable | Select MC100EP08DG for legacy SOIC layouts requiring drop-in replacement without footprint change |
| SN65EPT23D | 3.3V-only LVPECL; lower max frequency (2.5 GHz); integrated 50Ω termination; different pinout (14-pin TSSOP) | Suitable for cost-sensitive, single-voltage designs where 3.3V operation suffices and layout flexibility exists | Choose SN65EPT23D when system uses only 3.3V and requires on-die termination to reduce BOM count |
Compared with MC100EP08DG and SN65EPT23D, SY10EP08VKC-TR uniquely supports triple-voltage mode (NECL/LVPECL/PECL) in space-constrained MSOP-8, offering the broadest interoperability across legacy and next-gen ECL infrastructure without layout revision.
Availability
SY10EP08VKC-TR is available at Aetrix Electronics and suitable for telecom infrastructure, RF test equipment, and high-speed digital test fixtures requiring stable component supply, long-lifecycle support, and consistent MSOP-8 packaging.
Supply support for SY10EP08VKC-TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Micrel, Inc. was a U.S.-based semiconductor company specializing in high-performance analog, RF, and timing solutions before its acquisition by Microchip Technology in 2015.
The SY10EP08VKC-TR belongs to Micrel's ECL Pro™ family, engineered specifically for ultra-high-speed differential logic in telecom, military, and instrumentation applications demanding sub-nanosecond timing precision and multi-voltage interoperability.
FAQ
What voltage supplies does the SY10EP08VKC-TR support?
The SY10EP08VKC-TR supports three distinct supply configurations: NECL (VCC = 0V, VEE = –3.0V to –5.5V), 3.3V LVPECL (VCC = 3.3V ±0.3V, VEE = 0V), and 5.0V PECL (VCC = 5.0V ±0.5V, VEE = 0V). All DC electrical parameters scale linearly with VCC, and output loading is standardized at 50Ω to VCC–2.0V. This multi-mode capability makes SY10EP08VKC-TR adaptable across diverse ECL infrastructure generations without circuit redesign.
What is the function of the /D0 and /D1 pins on the SY10EP08VKC-TR?
The /D0 and /D1 pins on the SY10EP08VKC-TR serve as the complement-side differential inputs for operands 0 and 1, respectively. Unlike D0 and D1 (which feature internal pulldown bias only), /D0 and /D1 incorporate both internal pulldown and pullup resistors - a design that enables self-biased operation without external termination networks in point-to-point ECL links. This configuration ensures defined logic states even with unterminated inputs, directly contributing to the SY10EP08VKC-TR's robustness in high-speed interconnects.
Does the SY10EP08VKC-TR require external bias resistors?
No, the SY10EP08VKC-TR does not require external bias resistors due to its integrated input biasing architecture: D0 and D1 pins have internal pulldowns, while /D0 and /D1 pins include both internal pulldowns and pullups. This eliminates the need for discrete termination components in standard differential ECL interfaces, reducing BOM count and PCB area. The SY10EP08VKC-TR's internal biasing is optimized for 50Ω-loaded operation referenced to VCC–2.0V, matching industry-standard ECL termination practices.
What is the default state of the Q output on the SY10EP08VKC-TR during power-up?
The Q output of the SY10EP08VKC-TR defaults LOW when inputs are open-circuited or tied to VEE, providing a known, fail-safe logic state during power-up, signal loss, or unconnected conditions. This behavior is inherent to the internal transistor-level design and does not require external pull-downs. It ensures deterministic initialization in critical timing paths - a key reliability feature of the SY10EP08VKC-TR in telecom and instrumentation systems where undefined states could trigger erroneous control actions.
How does the SY10EP08VKC-TR differ from the SY10EP08VZC variant?
The SY10EP08VKC-TR and SY10EP08VZC share identical electrical specifications and logic functionality but differ in package and packaging format: SY10EP08VKC-TR uses an 8-pin MSOP (K8-1) with tape-and-reel delivery, while SY10EP08VZC uses an 8-pin SOIC (Z8-1) in tube packaging. The MSOP package of SY10EP08VKC-TR offers 35% smaller footprint and enhanced thermal resistance (θJA = 206°C/W vs. 160°C/W for SOIC), making SY10EP08VKC-TR preferable for space- and thermal-constrained high-density designs.
SY10EP08VKC-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- 10EP
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Logic Type:
- XOR/XNOR Gate
- Number of Circuits:
- 1
- Number of Inputs:
- 2 Input (1, 1)
- Schmitt Trigger Input:
- No
- Output Type:
- Differential
- Current - Output High, Low:
- -
- Voltage - Supply:
- 3V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
SY10EP08VKC-TR FAQ
1.How can I place an order for SY10EP08VKC-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for SY10EP08VKC-TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SY10EP08VKC-TR reliable?
The price and inventory of SY10EP08VKC-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SY10EP08VKC-TR is usually 5 days.
3.What payment methods are accepted for SY10EP08VKC-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SY10EP08VKC-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SY10EP08VKC-TR?
SY10EP08VKC-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SY10EP08VKC-TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SY10EP08VKC-TR?
For technical support, including SY10EP08VKC-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SY10EP08VKC-TR requirements.
6.How does Aetrix verify that SY10EP08VKC-TR is sourced from the original manufacturer or authorized distributors?
All SY10EP08VKC-TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SY10EP08VKC-TR meets industry standards.
7.What is the process for return or replacement of SY10EP08VKC-TR?
All SY10EP08VKC-TR units undergo pre-shipment inspection (PSI). If there is an issue with SY10EP08VKC-TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SY10EP08VKC-TR part is unused and in its original packaging.
Return procedure for SY10EP08VKC-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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