Microchip Technology SY10EL04ZG
- Part No.:
- SY10EL04ZG
- Manufacturer:
- Microchip Technology
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SY10EL04ZG.pdf
- Description:
- IC GATE AND/NAND 2-INPUT 8-SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:4,815
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Product details
Overview
SY10EL04ZG from Micrel is a 2-input ECL AND/NAND gate operating at –5.2 V VEE with 240 ps typical propagation delay, 225 ps typical output rise/fall time (20%–80%), and internal 75 kΩ input pull-down resistors, used in high-speed clock distribution and logic interface circuits in industrial telecom timing systems.
For engineers reviewing the SY10EL04ZG datasheet, SY10EL04ZG pinout, SY10EL04ZG application, or SY10EL04ZG equivalent, key selection criteria include ECL-compatible AC performance, industrial temperature range (–40°C to +85°C), Pb-free NiPdAu lead finish, Z8-1 8-pin SOIC package, and dual-output Q/Q̅ functionality.
Technical Context
The SY10EL04ZG implements true ECL logic with differential output pair (Q and Q̅) driven from two single-ended inputs (D0, D1), supporting both AND and NAND functions via complementary outputs. It operates with VCC = GND and VEE = –4.75 V to –5.5 V, requiring negative supply biasing typical of 10-series ECL families.
Its AC performance is characterized across full industrial temperature range: tPD = 130–370 ps (min–max), tr/tf = 100–350 ps (20%–80%), with consistent 14–17 mA IEE supply current. Input HIGH current is specified as ≤250 µA on D0 and ≤150 µA on D1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | ECL (Emitter-Coupled Logic), compatible with 10EL series voltage levels and termination |
| Propagation Delay (tPD) | 130–370 ps (min–max at +25°C), enabling sub-nanosecond timing critical for serializer/deserializer clock trees |
| Output Rise/Fall Time | 100–350 ps (20%–80%), supports >3 GHz small-swing signal integrity in backplane interfaces |
| Supply Voltage (VEE) | –4.75 V to –5.5 V; VCC = GND - requires negative rail design and proper ECL termination (50 Ω to VCC) |
| Operating Temperature | –40°C to +85°C industrial grade, validated for base station control and test equipment environments |
| Input Pull-down | 75 kΩ internal resistors on D0/D1 - eliminates need for external biasing in unterminated or floating-input scenarios |
| Package | Z8-1 8-pin SOIC (0.150" wide), RoHS-compliant Pb-free with NiPdAu lead finish |
Pinout & Package
Z8-1 8-pin SOIC package (0.150" body width), surface-mount, industrial-grade thermal profile, Pb-free NiPdAu plating per ordering code SY10EL04ZG.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | No Connect | Internally unconnected; must be left floating or tied to VEE for mechanical stability |
| 2 | D0 Input | Primary data input for AND/NAND function; accepts ECL-level signals (VIH ≥ VEE + 0.9 V) |
| 3 | D1 Input | Secondary data input; asymmetric input current spec (≤150 µA vs. ≤250 µA on D0) affects bias network design |
| 4 | No Connect | Internally unconnected; no electrical function |
| 5 | VCC | Ground reference for ECL output stage; all 50 Ω terminations must tie to this pin |
| 6 | Q Output | True output (AND result); complementary to Q̅, supports fanout of up to 3 ECL loads |
| 7 | VEE | Negative supply rail (–4.75 V to –5.5 V); decoupling capacitor required within 1 cm |
| 8 | Q̅ Output | Inverted output (NAND result); electrically matched to Q for skew-critical differential routing |
Key Features
| Feature | Design Value |
|---|---|
| Dual complementary outputs (Q/Q̅) | Enables single-gate generation of true/inverted logic without external inverters - reduces board area and propagation skew |
| 240 ps typical propagation delay | Meets setup/hold timing budgets in 2.5+ Gbps SerDes clock forwarding and jitter-sensitive sampling circuits |
| Internal 75 kΩ input pull-downs | Eliminates external bias resistors for unused inputs, simplifying layout and improving noise immunity in unterminated stubs |
| Pb-free NiPdAu finish | Complies with JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) and IPC/JEDEC standard for lead-free reflow |
| Industrial temperature range | Validated operation from –40°C to +85°C ensures reliability in outdoor telecom cabinets and industrial PLC backplanes |
Applications
| High-Speed Clock Distribution | Telecom Line Card Logic |
|---|---|
Use Scenario: Fanout and level translation of 156.25 MHz reference clocks across multiple FPGA transceivers in 10G Ethernet line cards. IC Role / Device Role / Timing Role: AND gate synchronizing enable signals with clock edges; Q/Q̅ outputs drive matched-length traces to minimize skew. Use Value: 240 ps tPD and matched Q/Q̅ output timing ensure <5 ps inter-output skew, preserving deterministic phase alignment. | Use Scenario: Glue logic for framing alignment detection in SONET/SDH framer ASIC control paths. IC Role / Device Role / Timing Role: NAND gate implementing frame boundary decode with sub-ns decision latency. Use Value: 225 ps typical tr/tf enables clean transitions into 50 Ω-terminated ASIC inputs, reducing metastability risk. |
| Test Equipment Signal Conditioning | Industrial Backplane Interface |
Use Scenario: Pulse shaping and polarity selection in automated test equipment (ATE) pattern generators. IC Role / Device Role / Timing Role: Dual-output gate selecting between true/inverted stimulus patterns with zero added logic delay. Use Value: Complementary Q/Q̅ outputs eliminate need for discrete inverters, cutting path delay by ≥300 ps versus TTL alternatives. | Use Scenario: Synchronization handshaking between hot-swap controller and power management MCU on modular industrial backplanes. IC Role / Device Role / Timing Role: AND gate validating both ready and valid handshake lines before enabling power sequencing. Use Value: Internal 75 kΩ pull-downs prevent floating inputs during hot-insertion transients, avoiding spurious enable assertions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ECL logic gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SY100EL04ZG | 100EL family: higher drive strength (20 mA IEE max), wider VEE range (–4.2 V to –5.5 V), slower tPD (typ. 275 ps) | Better suited for longer trace runs or heavier capacitive loads (>3 pF), less optimal for ultra-low-skew clock fanout | Select SY100EL04ZG when driving >2 ECL loads or operating near –4.2 V VEE; otherwise SY10EL04ZG preferred for speed-critical paths |
| MC10EL04DR2G | Onsemi part: identical pinout and function, but VEE range –4.9 V to –5.4 V, tPD 150–400 ps, MSL1 rating | Higher moisture sensitivity classification allows extended reflow profiles; tighter VEE tolerance suits precision bias designs | Choose MC10EL04DR2G for high-volume manufacturing with strict reflow control or where MSL1 handling is required |
Compared with SY100EL04ZG and MC10EL04DR2G, SY10EL04ZG delivers the lowest typical propagation delay (240 ps) and best skew control for clock-forwarding applications, while maintaining industrial temperature rating and Pb-free compliance - making it optimal for timing-critical telecom and test equipment designs where nanosecond-level determinism is required.
Availability
SY10EL04ZG is available at Aetrix Electronics and suitable for high-speed clock distribution, telecom line card logic, test equipment signal conditioning, and industrial backplane interface applications requiring stable component supply across long production lifecycles.
Supply support for SY10EL04ZG 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 analog and mixed-signal semiconductor company acquired by Microchip Technology in 2015; known for high-performance timing, power, and interface ICs.
The SY10EL04ZG belongs to Micrel's 10EL ECL logic family, designed specifically for ultra-fast digital signal routing in telecom infrastructure, test instrumentation, and industrial control systems demanding sub-nanosecond timing fidelity.
FAQ
What is the recommended termination for SY10EL04ZG outputs?
SY10EL04ZG outputs require 50 Ω source or load termination to VCC (GND), per ECL standard practice. Each Q or Q̅ output should be terminated with a single 50 Ω resistor to VCC, or differentially across a 100 Ω resistor between Q and Q̅. Improper termination causes reflections and timing uncertainty. The SY10EL04ZG datasheet specifies VCC = GND and defines logic thresholds relative to that reference.
Does SY10EL04ZG support both AND and NAND logic functions simultaneously?
Yes. The SY10EL04ZG provides both AND and NAND results on its complementary outputs: Q is the AND of D0 and D1, while Q̅ is the NAND of D0 and D1. This dual-function capability eliminates the need for an external inverter when both logic polarities are required - a key advantage in high-speed routing where added gates increase skew and loading. No configuration pins or mode settings are needed; functionality is inherent to the output topology.
What is the maximum capacitive load SY10EL04ZG can drive reliably?
The SY10EL04ZG is characterized to drive up to 3 standard ECL loads (each defined as 50 Ω to VCC), corresponding to ~3 pF total load capacitance. Driving >3 loads increases propagation delay variation and degrades edge rate; for heavier loads, buffer stages or the higher-drive SY100EL04ZG variant is recommended. Layout best practices (short traces, ground planes) are essential to maintain specified 225 ps rise/fall times.
Is SY10EL04ZG pin-compatible with SY100EL04ZG?
Yes - SY10EL04ZG and SY100EL04ZG share identical Z8-1 8-pin SOIC packaging, pinout, and terminal functions. However, they differ in electrical specifications: SY100EL04ZG offers higher drive current (20 mA vs. 17 mA) and wider VEE range (–4.2 V to –5.5 V), but with slower typical propagation delay (275 ps vs. 240 ps). System-level validation is required before interchange due to these performance differences.
What does the "ZG" suffix indicate in SY10EL04ZG?
The "ZG" suffix in SY10EL04ZG denotes the Pb-free version in Z8-1 8-pin SOIC package with NiPdAu lead finish and industrial temperature range (–40°C to +85°C). It replaces the legacy Sn-Pb "ZC" and "ZI" variants. The "G" specifically indicates RoHS-compliant construction and inclusion of the Pb-free bar-line indicator on the package marking ("HEL04 with Pb-Free").
SY10EL04ZG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- 10EL
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- AND/NAND Gate
- Number of Circuits:
- 1
- Number of Inputs:
- 2
- Schmitt Trigger Input:
- No
- Output Type:
- Differential
- Current - Output High, Low:
- -
- Voltage - Supply:
- 4.75V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
SY10EL04ZG FAQ
1.How can I place an order for SY10EL04ZG through Aetrix?
Please submit a Request for Quotation (RFQ) for SY10EL04ZG 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 SY10EL04ZG reliable?
The price and inventory of SY10EL04ZG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SY10EL04ZG is usually 5 days.
3.What payment methods are accepted for SY10EL04ZG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SY10EL04ZG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SY10EL04ZG?
SY10EL04ZG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SY10EL04ZG 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 SY10EL04ZG?
For technical support, including SY10EL04ZG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SY10EL04ZG requirements.
6.How does Aetrix verify that SY10EL04ZG is sourced from the original manufacturer or authorized distributors?
All SY10EL04ZG 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 SY10EL04ZG meets industry standards.
7.What is the process for return or replacement of SY10EL04ZG?
All SY10EL04ZG units undergo pre-shipment inspection (PSI). If there is an issue with SY10EL04ZG, 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 SY10EL04ZG part is unused and in its original packaging.
Return procedure for SY10EL04ZG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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