Overview
The MC100EL33DG is an integrated ÷4 divider produced by onsemi. This device is part of the MC10EL/100EL33 series, designed to operate in both PECL (Positive ECL) and NECL (Negative ECL) modes. It features differential clock inputs and an internally generated reference voltage (VBB) that allows for differential, single-ended, or AC coupled interfaces. The device includes an asynchronous reset pin, which is essential for synchronizing multiple dividers in a system. The 100 Series of this device also includes temperature compensation, enhancing its reliability and performance across various environmental conditions.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC (PECL Mode) | VEE = 0 V | 4.2 | - | 5.7 | V |
| VEE (NECL Mode) | VCC = 0 V | -5.7 | - | -4.2 | V |
| Propagation Delay (CLK to Q) | - | 560 | 400 | 670 | ps |
| Maximum Toggle Frequency | - | 3.4 | 4.2 | 4.2 | GHz |
| Output HIGH Voltage (PECL Mode) | VCC = 5.0 V, VEE = 0.0 V | 3915 | 3995 | 4120 | mV |
| Output LOW Voltage (PECL Mode) | VCC = 5.0 V, VEE = 0.0 V | 3170 | 3305 | 3445 | mV |
| Input HIGH Voltage (Single-Ended) | - | 3835 | 4120 | 4120 | mV |
| Input LOW Voltage (Single-Ended) | - | 3190 | 3525 | 3525 | mV |
| ESD Protection | - | - | - | 1 kV (Human Body Model), 100 V (Machine Model) | - |
Key Features
- 650 ps Propagation Delay
- 4.0 GHz Toggle Frequency
- ESD Protection: 1 kV Human Body Model, 100 V Machine Model
- PECL Mode Operating Range: VCC = 4.2 V to 5.7 V with VEE = 0 V
- NECL Mode Operating Range: VCC = 0 V with VEE = −4.2 V to −5.7 V
- Internal Input Pulldown Resistors on CLK(s) and R
- Meets or Exceeds JEDEC Spec EIA/JESD78 IC Latchup Test
- Moisture Sensitivity: Level 1 for SOIC−8 NB
- Flammability Rating: UL 94 V−0 @ 0.125 in, Oxygen Index: 28 to 34
- Transistor Count = 95 Devices
- Pb-Free, Halogen Free, and RoHS Compliant
Applications
The MC100EL33DG is suitable for various high-speed digital applications, including:
- High-speed clock division in telecommunications and networking equipment
- Frequency synthesis and clock generation in RF and microwave systems
- Data transmission and reception systems requiring precise clock signals
- High-performance computing and data processing systems
- Test and measurement equipment requiring stable and accurate clock signals
Q & A
- What is the primary function of the MC100EL33DG?
The MC100EL33DG is an integrated ÷4 divider, designed to divide the input clock frequency by four.
- What are the operating voltage ranges for PECL and NECL modes?
For PECL mode, VCC = 4.2 V to 5.7 V with VEE = 0 V. For NECL mode, VCC = 0 V with VEE = −4.2 V to −5.7 V.
- What is the propagation delay of the MC100EL33DG?
The propagation delay from CLK to Q is typically 400 ps, with a range of 560 ps to 670 ps.
- What is the maximum toggle frequency of the device?
The maximum toggle frequency is 4.2 GHz.
- Does the device have ESD protection?
Yes, the device has ESD protection of 1 kV Human Body Model and 100 V Machine Model.
- What is the purpose of the VBB pin?
The VBB pin provides an internally generated reference voltage, which can be used for single-ended input conditions or to rebias AC coupled inputs.
- How does the reset pin function?
The reset pin is asynchronous and is asserted on the rising edge, allowing for the synchronization of multiple dividers in a system.
- Is the MC100EL33DG RoHS compliant?
Yes, the device is Pb-Free, Halogen Free, and RoHS compliant.
- What is the moisture sensitivity level of the SOIC-8 NB package?
The moisture sensitivity level is Level 1 for the SOIC-8 NB package.
- What is the flammability rating of the device?
The device has a flammability rating of UL 94 V−0 @ 0.125 in, with an oxygen index of 28 to 34.
