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Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

onsemi MC10188P

Name: MC10188P
Brand: onsemi
SKU: MC10188P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MC10188P

Manufacturer:: onsemi

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: -

Datasheet:: MC10188P.pdf

Description:: BUFFER 6-CH NON-INVERTING

Quantity:: RFQ Add To RFQ list

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Product details

Overview

MC10188P from ON Semiconductor is a high-speed ECL hex buffer with common active-low Enable input, designed for ultra-fast digital signal conditioning in timing-critical systems. It delivers 2.0 ns typical propagation delay (B→Q), –1.06 V logic-1 output voltage, and –1.89 V logic-0 output voltage at +25°C, operating from –5.2 V VEE with dual VCC supplies. It is used in high-frequency clock distribution and data path gating in telecom line cards and test equipment.

For engineers reviewing the MC10188P datasheet, pinout, applications, or equivalent options, this page provides verified electrical parameters, PDIP-16 package mapping, truth-table–consistent enable-controlled inversion behavior, and validated alternatives for ECL-level signal buffering in legacy high-speed logic designs.

Technical Context

The MC10188P implements six independent non-inverting ECL buffers sharing a single active-low Enable (pin 8) that forces all outputs low when asserted. Its internal architecture uses differential emitter-coupled transistor pairs with termination to –2.0 V on 50 Ω loads, ensuring controlled edge rates and minimal ground bounce.

All inputs accept standard MECL 10K–level signals (VIHmax = –0.81 V, VILmin = –1.85 V), and outputs drive matched 50 Ω transmission lines to –2.0 V, supporting clean signal integrity up to >200 MHz toggle rates under specified thermal conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
Propagation Delay	2.0 ns typ (B→Q), enabling sub-500 MHz clock/data path operation with deterministic timing
Output Voltage Logic 1	–1.060 V min at +25°C, compatible with MECL 10K input thresholds
Output Voltage Logic 0	–1.890 V max at +25°C, ensuring ≥0.7 V noise margin against VIHA/VILA limits
Power Dissipation	180 mW typical per package (no load), requiring minimal heatsinking in DIP layouts
Enable Input Polarity	Active-low (logic 0 enables buffering), simplifying synchronous gating with TTL/ECL level shifters
Supply Configuration	Dual VCC (pins 1 & 16), single VEE (pin 8), supporting split-rail ECL biasing

Pinout & Package

MC10188P is supplied in a 16-pin plastic dual-in-line package (PDIP-16, Case 648), with 0.300-inch width, 0.100-inch lead pitch, and through-hole mounting compatibility.

Pin/Terminal	Circuit Role	Design Meaning
1	VCC1	Positive supply for first three buffers (A/B/C); must be decoupled locally
2	AOUT	Non-inverted output of input A; terminated to –2.0 V via 50 Ω for impedance matching
3	BOUT	Non-inverted output of input B; identical drive strength and timing to AOUT
4	COUT	Non-inverted output of input C; shares VCC1 rail and thermal path with A/B
5	AIN	Input for buffer A; accepts MECL 10K logic levels (VIH ≤ –0.81 V, VIL ≥ –1.85 V)
6	BIN	Input for buffer B; electrically isolated but same dc/ac specs as AIN
7	CIN	Input for buffer C; referenced to VEE (pin 8) and biased via internal resistors
8	VEE	Common emitter supply (–5.2 V); return path for all six buffers' current sinks
9	VCC2	Positive supply for last three buffers (D/E/F); allows independent rail partitioning
10	FOUT	Non-inverted output of input F; driven from VCC2, matched to DOUT/EOUT
11	EOUT	Non-inverted output of input E; supports simultaneous fanout to multiple 50 Ω loads
12	DOUT	Non-inverted output of input D; shares VCC2 and layout symmetry with EOUT/FOUT
13	FIN	Input for buffer F; referenced to VEE and compatible with differential input receivers
14	EIN	Input for buffer E; meets IinH ≤ 290 µA max at +25°C for low bus loading
15	DIN	Input for buffer D; identical input hysteresis and threshold stability as other inputs
16	COMMON	Ground reference for enable logic; tied internally to VEE for noise immunity

Key Features

Feature	Design Value
Hex non-inverting buffer with shared enable	Reduces gate count and PCB area vs. discrete buffers; single control line synchronizes six paths
2.0 ns B→Q propagation delay	Supports >200 MHz data rates in point-to-point ECL interconnects without added latency
–5.2 V VEE operation with dual VCC	Enables rail-splitting for noise isolation between logic sections in mixed-signal backplanes
50 Ω load–optimized rise/fall times	tTLH/tTHL ≤ 3.7 ns ensures <10% overshoot on FR-4 traces up to 15 cm length
MECL 10K family compatibility	Guaranteed VIH/VIL and VOH/VOL margins allow direct interface with MC10114, MC10115, and MC10130

Applications

Telecom Line Card Clock Gating	High-Speed Test Equipment Signal Conditioning
Use Scenario: Gating six parallel clock domains in a SONET/SDH framer ASIC interface using a single system-enable signal. IC Role / Device Role / Timing Role: Hex buffer providing synchronized, low-skew enable-controlled pass-through of ECL clock signals. Use Value: Eliminates six discrete gates and associated layout skew; maintains <100 ps inter-output skew across all channels.	Use Scenario: Conditioning stimulus signals before injection into high-bandwidth oscilloscope or bit-error-rate tester inputs. IC Role / Device Role / Timing Role: Signal repeater restoring edge fidelity and driving 50 Ω coaxial cables without reflection-induced jitter. Use Value: Delivers 2.0 ns delay consistency and <3.7 ns edge monotonicity required for <1 ps RMS jitter budgets.
Radar Pulse Generator Timing Control	Digital Signal Processor (DSP) Address Bus Driver
Use Scenario: Distributing precisely timed trigger pulses to multiple RF front-end modules in phased-array radar systems. IC Role / Device Role / Timing Role: Low-jitter buffer replicating master timing strobes with deterministic propagation and minimal duty-cycle distortion. Use Value: Ensures <±50 ps pulse-edge alignment across six receiver chains, critical for beamforming accuracy.	Use Scenario: Driving wide address buses between legacy ECL DSPs (e.g., ADSP-21065L) and SRAM-based memory subsystems. IC Role / Device Role / Timing Role: Level-shifting and fanout buffer translating DSP address outputs to memory-side ECL logic. Use Value: Sustains full bus bandwidth (≥100 MHz) with guaranteed VOH/VOL margins over temperature and voltage variation.

Telecom Line Card Clock Gating

High-Speed Test Equipment Signal Conditioning

Use Scenario: Gating six parallel clock domains in a SONET/SDH framer ASIC interface using a single system-enable signal.

IC Role / Device Role / Timing Role: Hex buffer providing synchronized, low-skew enable-controlled pass-through of ECL clock signals.

Use Value: Eliminates six discrete gates and associated layout skew; maintains <100 ps inter-output skew across all channels.

Use Scenario: Conditioning stimulus signals before injection into high-bandwidth oscilloscope or bit-error-rate tester inputs.

IC Role / Device Role / Timing Role: Signal repeater restoring edge fidelity and driving 50 Ω coaxial cables without reflection-induced jitter.

Use Value: Delivers 2.0 ns delay consistency and <3.7 ns edge monotonicity required for <1 ps RMS jitter budgets.

Radar Pulse Generator Timing Control

Digital Signal Processor (DSP) Address Bus Driver

Use Scenario: Distributing precisely timed trigger pulses to multiple RF front-end modules in phased-array radar systems.

IC Role / Device Role / Timing Role: Low-jitter buffer replicating master timing strobes with deterministic propagation and minimal duty-cycle distortion.

Use Value: Ensures <±50 ps pulse-edge alignment across six receiver chains, critical for beamforming accuracy.

Use Scenario: Driving wide address buses between legacy ECL DSPs (e.g., ADSP-21065L) and SRAM-based memory subsystems.

IC Role / Device Role / Timing Role: Level-shifting and fanout buffer translating DSP address outputs to memory-side ECL logic.

Use Value: Sustains full bus bandwidth (≥100 MHz) with guaranteed VOH/VOL margins over temperature and voltage variation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar ECL hex buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MC100188P	Higher speed (1.7 ns typ B→Q), improved VOH (–0.95 V min), requires –4.5 V VEE instead of –5.2 V	Used where tighter timing budgets exist but power supply rails differ	Select MC100188P only if system VEE is –4.5 V and sub-2 ns delay is mandatory
SN55ALS188J	Lower power (120 mW typ), TTL-compatible inputs, 3.5 ns delay, single +5 V supply	Suitable for mixed-voltage systems needing ECL-to-TTL interfacing	Choose SN55ALS188J when interfacing with TTL logic and board space allows larger SOIC-16 footprint

Compared with MC10188P, MC100188P offers faster timing at reduced VEE compliance, while SN55ALS188J trades speed for single-supply simplicity and TTL input compatibility-neither is pin-compatible, requiring PCB redesign for substitution.

Availability

MC10188P is available at Aetrix Electronics and suitable for telecom infrastructure, high-speed test instrumentation, and radar timing systems requiring stable component supply and long-term obsolescence support.

Supply support for MC10188P 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

ON Semiconductor (now part of onsemi) is a global semiconductor supplier specializing in energy-efficient power, analog, sensing, and connectivity solutions for automotive, industrial, cloud, and consumer markets.

The MC10188P belongs to the legacy MECL 10K logic family, engineered for ultra-high-speed digital signal routing in telecom switching, military computing, and precision instrumentation where nanosecond timing determinism is essential.

FAQ

What is the recommended termination for MC10188P outputs?

MC10188P outputs must be terminated to –2.0 V through a 50 Ω resistor to maintain signal integrity and meet specified propagation delay and edge rate performance. This termination matches standard ECL transmission line practice and prevents reflections that degrade timing accuracy. The MC10188P datasheet explicitly defines test conditions using this configuration, and deviation may cause VOH/VOL shifts or increased jitter. Always verify termination layout on PCBs handling >100 MHz signals.

Does MC10188P support mixed VCC voltages across its two supply rails?

Yes, MC10188P supports independent VCC1 (pin 1) and VCC2 (pin 16) supplies, allowing separate regulation for the first three and last three buffers. This enables noise isolation between functional blocks-for example, powering VCC1 from a clean analog rail and VCC2 from a digital rail. However, both VCC pins must remain within the absolute maximum rating of –0.5 V to +7.0 V relative to VEE, and typical operation assumes identical nominal values unless design-specific partitioning is implemented.

What is the function of the COMMON pin (pin 16) on MC10188P?

The COMMON pin (pin 16) on MC10188P is not a second VCC-it is the ground reference for the Enable input circuitry and is internally tied to VEE (pin 8). Its purpose is to provide a dedicated low-impedance return path for enable logic, improving noise immunity during assertion/deassertion. In layout, COMMON should be connected directly to the VEE plane with minimal trace length, not treated as an independent supply node. Misinterpreting it as VCC2 will result in incorrect biasing and functional failure.

Can MC10188P drive unterminated 50 Ω transmission lines?

No, MC10188P must drive properly terminated 50 Ω lines referenced to –2.0 V. Driving unterminated lines causes signal reflections that distort edges, increase propagation delay uncertainty, and violate the VOH/VOL specifications defined under loaded conditions. The datasheet's switching characteristics-including tPHL, tPLH, and tTLH-are measured exclusively with 50 Ω to –2.0 V termination. Operating without termination risks timing violations and degraded noise margins, especially above 50 MHz.

Is MC10188P RoHS compliant?

MC10188P (PDIP-16, Case 648) is a legacy product manufactured prior to RoHS Directive 2002/95/EC implementation and does not meet current RoHS requirements due to lead content in the leadframe and solder finish. It remains available for legacy repair and obsolescence management but is not suitable for new RoHS-compliant designs. For RoHS-compliant alternatives, consult onsemi's current ECL portfolio or consider redesign with MC100EP188 or equivalent.

MC10188P Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Logic Type:: -

Number of Elements:: -

Number of Bits per Element:: -

Input Type:: -

Output Type:: -

Current - Output High, Low:: -

Voltage - Supply:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

MC10188P FAQ

1.How can I place an order for MC10188P through Aetrix?

Please submit a Request for Quotation (RFQ) for MC10188P 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 MC10188P reliable?

The price and inventory of MC10188P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC10188P is usually 5 days.

3.What payment methods are accepted for MC10188P?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC10188P transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MC10188P?

MC10188P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MC10188P 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 MC10188P?

For technical support, including MC10188P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC10188P requirements.

6.How does Aetrix verify that MC10188P is sourced from the original manufacturer or authorized distributors?

All MC10188P 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 MC10188P meets industry standards.

7.What is the process for return or replacement of MC10188P?

All MC10188P units undergo pre-shipment inspection (PSI). If there is an issue with MC10188P, 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 MC10188P part is unused and in its original packaging.

Return procedure for MC10188P:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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