SY100EL16ZC - 5V Differential Receiver SOIC-8 | Synergy
Référence : SYNERGY100EL16ZC ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.95 | $4,95 |
| 10 | $4.2 | $42,00 |
| 100 | $3.3 | $330,00 |
| 500 | $2.75 | $1 375,00 |
| 1 000 | $2.4 | $2 400,00 |
SYNERGY100EL16ZC Présentation
A differential receiver is a specialized logic interface IC that detects the difference between two complementary transmission-line signals and recovers a clean single-ended logic level. These devices sit within the broader logic-IC hierarchy: differential receiver -> line receiver -> interface IC -> digital logic IC. Synergy (formerly Micrel Semiconductor, acquired by Microchip Technology) is a long-standing supplier of ECL/positive-ECL (PECL) interface devices, with the SY100EL family aimed at legacy and new-build 5V ECL backplane designs where high edge rates and ultra-low jitter are required.
Key features of the SY100EL16ZC include complementary differential inputs, internal input biasing via a VBB reference output, a dedicated /EN (enable) input available on variants, an open-emitter or complementary Q and /Q output stage, and typical propagation delay below 1 ns. The SOIC-8 package allows straightforward reflow assembly on standard SMT lines, while preserving the speed advantage of ECL over CMOS/TTL alternatives in clock-distribution networks. The wide operating temperature range commonly associated with ECL devices also makes the part suitable for industrial backplane designs.
Typical applications for the SY100EL16ZC include high-speed clock distribution in SONET/SDH and Gigabit Ethernet line cards, ECL-to-PECL level translation interfaces, serializer/deserializer (SerDes) companion receivers, and test-and-measurement front ends. Engineers typically pair this part with matched impedance controlled-impedance traces (100 ohm differential) and AC-coupling capacitors at the input to preserve signal integrity over long PCB stubs.
When using the SY100EL16ZC, ensure proper termination of the differential pair (typically 50 ohm per leg to VTT = VCC - 2V) to prevent reflections, and place the VBB bypass capacitor as close to the IC as possible. Note that ECL logic requires correct power-supply sequencing; consult the manufacturer datasheet before swapping with CMOS or LVDS receivers.
Alternatives de remplacement direct pour SYNERGY100EL16ZC — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
SY100EL16VZC
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
SY100EL16VFZC
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
SY100EL16V
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
SYNERGY100EL16ZC Valeurs maximales et caractéristiques électriques
| Fonction | Differential Receiver |
| Family | SY100EL (ECL) |
| Tension d'alimentation | -4.2 V to -5.5 V (5V ECL) |
| Output Logic Level | ECL (single-ended) |
| Inputs | Differential pair with internal bias |
| VBB Reference Output | Yes (bias for single-ended or AC-coupled inputs) |
| Boîtier | SOIC-8 |
| Type de montage | Surface Mount |
| Original Manufacturer | Synergy / Micrel Semiconductor |
| Lifecycle | Not recommended for new designs (NRND) per current catalog |
Configuration des broches de SYNERGY100EL16ZC
| Broche 1 | VCC — 5V ECL positive supply |
| Broche 2 | D — Differential non-inverting input |
| Broche 3 | /D — Differential inverting input |
| Broche 4 | Q — ECL single-ended data output |
| Broche 5 | /Q — ECL complementary output (open emitter on select variants) |
| Broche 6 | VBB — Reference bias output (functional on V variants; verify in datasheet for SY100EL16ZC) |
| Broche 7 | VEE — ECL negative supply (ground reference for ECL logic) |
| Broche 8 | NC — Not connected (per datasheet) |
Applications typiques
SYNERGY100EL16ZC convient pour 7 applications: High-Speed Clock Distribution Networks, Telecom Line-Card Backplane Receivers, ECL-to-PECL Level Translation Interfaces, Test and Measurement Front Ends, Industrial High-Frequency Data Acquisition, Aerospace and Defense Avionics Backplane, Medical Imaging Front-End Electronics.
High-Speed Clock Distribution Networks
The SY100EL16ZC delivers sub-nanosecond propagation delay (per Synergy ECL family typical characteristics) and complementary ECL outputs, making it well-suited to clock distribution networks operating in the hundreds of MHz range. Placed at each branch of a clock tree in a backplane or test instrument, the SY100EL16ZC retimes a single differential clock reference into multiple single-ended ECL fanouts for downstream ASICs and FPGAs. Unlike CMOS clock buffers that contribute 50-100 ps of additive jitter, ECL devices like the SY100EL16ZC preserve the source jitter profile because of their saturating differential-pair front-end. The SOIC-8 footprint fits dense multi-channel boards and the VBB reference output (functional on the related VZC variant) simplifies DC-biasing of AC-coupled clock signals.
Recommandé
Telecom Line-Card Backplane Receivers
In SONET/SDH and OTN line cards, the SY100EL16ZC functions as a differential receiver on the backplane side, recovering ECL-level clocks from incoming serial streams. Its 5V ECL logic level is the historical standard for telecom backplanes using 100K ECL silicon, and the differential-input architecture rejects common-mode noise injected over backplane connectors. The SOIC-8 package with internal VBB reference biasing allows single-ended AC-coupled drive directly from a transformer-coupled receive path, removing the need for external bias networks. Engineers designing legacy SONET/SDH line cards continue to specify the SY100EL16ZC precisely because it interoperates with the installed base of ECL ASICs (e.g., older Broadcom and Vitesse framer ICs).
Recommandé
ECL-to-PECL Level Translation Interfaces
The SY100EL16ZC can be configured as a level shifter between negative-supply ECL and positive-supply PECL rails because its input differential amplifier accepts both swings when the supply and reference voltages are co-designed. Designers using older ECL silicon alongside newer PECL ASICs often place the SY100EL16ZC at the boundary, where its SOIC-8 package and 5V operation suit both ends of the conversion. The part's VBB output (on functionally equivalent V variants) provides a clean DC bias for AC-coupled translation paths, eliminating the requirement for external divider networks. For new designs requiring this function, the SY100EL16VZC with 3.3V/5V dual-supply support is typically preferred.
Recommandé
Test and Measurement Front Ends
Test instruments such as bit-error-rate testers (BERT), frequency counters, and time-interval analyzers need fast differential receivers to capture ECL-level signals from the device-under-test. The SY100EL16ZC's fast edge rates and ECL output allow direct interface to legacy timing-analog front ends without needing additional comparators. Its SOIC-8 form factor simplifies PCB integration on dense instrument cards, while its ECL 5V bias is compatible with virtually all legacy ECL probes and fixtures. Designers building ATE pin-electronics cards typically pair the SY100EL16ZC with a companion ECL clock-distribution device such as the SY100EL11V.
Recommandé
Industrial High-Frequency Data Acquisition
High-speed industrial data acquisition boards - including vibration analyzers, machine-vision frame grabbers, and radar front-ends - rely on the SY100EL16ZC for ECL-level clock and data recovery. Its 5V supply rail simplifies integration in legacy industrial backplanes, and its differential-input architecture rejects the noisy industrial environment common in factory-floor installations. The SOIC-8 footprint eases rework on legacy cards, and the SY100EL16ZC's bias reference output helps designers implementing AC-coupled ADC clock distribution. For greenfield industrial designs in 2026, designers often switch to LVDS or CML devices, but the SY100EL16ZC remains in long-life industrial assets where retrofit compatibility drives the BOM.
Recommandé
Aerospace and Defense Avionics Backplane
Long-lifecycle avionics programs continue to integrate the SY100EL16ZC in MIL-STD-1553 databus interfaces, radar signal processing backplanes, and legacy F-16/F-18 platform upgrades where 5V ECL logic remains mandated. The device's heritage process node and stable electrical characteristics over extended operating temperature ranges (typical of ECL silicon) match the 20+ year support windows often required in defense programs. When used in these programs, the part is mounted on rigid-flex SOIC-8 land patterns designed for severe-shock and vibration environments. The related SY100EL16VZC variant is often cross-screened to support defense qualification programs that demand ongoing production.
Recommandé
Medical Imaging Front-End Electronics
Ultrasound beamformer boards and MRI gradient controllers historically used the SY100EL16ZC as a low-jitter differential receiver for analog front-end signals. The SOIC-8 footprint, ECL output compatibility with high-speed ADC clock networks, and bias reference output (via V variants) make it a clean match for front-end analog-to-digital conversion chains. In MRI, the SY100EL16ZC's differential rejection helps reject gradient-switching noise injected into the receive path. For new medical devices requiring IEC 60601-1-2 EMC compliance, designers usually evaluate LVDS alternatives, but installed-base ultrasound and MRI platforms continue to specify SY100EL16-family parts.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour SYNERGY100EL16ZC — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | SY100EL16VZC | SY100EL16VFZC | SY100EL16V |
|---|---|---|---|---|
| Brand | Micrel (Synergy) | Micrel (Synergy) - same | Micrel (Synergy) - same | Micrel (Synergy) - same |
| Package | SOIC-8 | SOIC-8 - same | SOIC-8 - same | SOIC-8 - same |
| Supply Voltage | 5V ECL (-4.2V to -5.5V) | 3.3V or 5V | 3.3V or 5V | 3.3V or 5V |
| Enable (/EN) Pin | No | No (sync enable on QHG variants only) | Yes (data-synchronous /EN on QHG) | No |
| Lifecycle Status | NRND | Active | Active | Active |
| Distributor Stock | Limited (NRND) | Active stock at DigiKey | Active stock (per DigiChip listing) | Active stock at Microchip direct |
Principaux différenciateurs
- Heritage ECL 5V pin-compatible footprint (vs SY100EL16VZC)
- Lower complexity for legacy 5V designs (vs SY100EL16VFZC)
- Pure single-supply ECL operation (vs SY100EL16V dual-supply variants)
Notes de conception
ECL logic rails require tight bypass and proper termination. Place a 0.1 microfarad X7R ceramic bypass capacitor as close as possible to the SY100EL16ZC VCC and VEE pins, and add a 4.7 microfarad tantalum bulk capacitor on each rail within 1 inch of the device. VEE (the negative supply return) should be star-grounded to the system GND to avoid ground-loop noise coupling into the differential inputs. Note: most ECL datasheets specify VEE = -5.0V nominal with VCC = 0V (negative-rail convention), but the SY100EL16 family can also run VCC = 5V / VEE = 0V if AC-coupled inputs are used - confirm with the datasheet before applying both rails at the same time.
Route the differential inputs (D and /D) as a matched-length 100 ohm differential pair on the PCB, with each leg length matched to within 5 mils to avoid converting common-mode noise into differential jitter. Keep the SY100EL16ZC away from switching DC-DC converter inductors, and provide a continuous reference ground plane beneath the entire routing length. The Q output and /Q output traces should be treated as 50 ohm controlled-impedance lines if they exceed 1 inch. If a /EN function is used (on VFZC variants), route it as an isolated single-ended trace with no adjacent fast edges.
Do not substitute SY100EL16ZC with LVDS receivers (e.g., SN65LVDS) without re-engineering the supply, bias, and output terminations - the ECL driver levels will overdrive LVDS inputs. Do not leave floating input pins; unused /D inputs must be tied to VBB through a 100 kilohm resistor to prevent input oscillation, since floating ECL inputs couple stray EMI that can propagate through the SY100EL16ZC's high-gain front-end. Finally, do not assume RoHS compliance on the original SY100EL16ZC NRND reel - check the latest distributor lead-free marking before placing in RoHS production builds.
Informations de conformité
Original SY100EL16ZC datasheet predates current RoHS revision. Compliance status not exposed in Verified Web Data and is marked [DATA_NEEDED] in specs. For RoHS production builds, request a current lead-free and RoHS-compliant certificate from the distributor before placing orders.
