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LMK1C1104 4-Channel Output LVCMOS Buffer
Texas Instruments' high-performing 1.8 V clock buffer features low additive jitter, low skew, and a wide temperature range
Texas Instruments’ LMK1C1104 is part of the LMK1C110x family which is a modular, high-performance, low-skew, LVCMOS fan-out buffer solution that offers three fan-out variations including 1:2, 1:3, and 1:4. The buffer is pin-compatible with other devices in the LMK1C110x family and backwards-compatible with the CDCLVC110x devices for easy handling. The LMK1C110x devices share the same high-performing characteristics such as low additive jitter (<50 fs maximum), low skew (<50 ps), low propagation delay (<3 ns), and a wide operating temperature range (-40°C to +125°C).
The LMK1C1104 supports a synchronous output enable control (1G) which switches the outputs into a low state when 1G is low. This buffer has a failsafe input that prevents oscillation at the outputs in the absence of an input signal and allows for input signals before VDD is supplied. The LMK1C1104 operates in a 1.8 V, 2.5 V, and 3.3 V environment and is available in an 8-pin TSSOP or 8-pin WSON package.
- High-performance 1:2, 1:3, or 1:4 LVCMOS clock buffer
- Very low output skew: <50 ps
- Extremely low additive jitter: <50 fs (max.):
- 7.5 fs (typ.) at VDD = 3.3 V
- 10 fs (typ.) at VDD = 2.5 V
- 19.2 fs (typ.) at VDD = 1.8 V
- Very low propagation delay: <3 ns
- Synchronous output enable
- Supply voltage: 3.3 V, 2.5 V, or 1.8 V:
- Tolerant input: 3.3 V at the supply voltages
- Failsafe inputs
- fmax = 250 MHz for 3.3 V
- fmax = 200 MHz for 2.5 V and 1.8 V
- Operating temperature range: -40°C to +125°C
- Packages available: 8-pin TSSOP or 8-pin WSON
- Factory automation and controls
- Telecommunications equipment
- Datacenters and enterprise computing
- Grid infrastructure
- Motor drives
- Medical imaging
LMK1C1104 4-Channel Output LVCMOS Buffers
| Image | Manufacturer Part Number | Description | Number of Circuits | Output | Frequency - Max | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
 |  | LMK1C1104PWR | IC CLK BUFFER 1:4 250MHZ 8TSSOP | 1 | LVCMOS | 250 MHz | 13352 - Immediate | $12.59 | View Details |
|  | LMK1C1104DQFT | IC CLK BUFFER 1:4 250MHZ 8WSON | 1 | Clock, LVCMOS | 250 MHz | 1047 - Immediate | $21.49 | View Details |
| | LMK1C1104DQFR | IC CLK BUFFER 1:4 250MHZ 8WSON | 1 | Clock, LVCMOS | 250 MHz | 3184 - Immediate | $13.67 | View Details |
Evaluation Boards
| Image | Manufacturer Part Number | Description | Utilized IC / Part | Primary Attributes | Secondary Attributes | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
|  | LMK1C1104DFNEVM | EVAL BOARD FOR LMK1C1104DQF | LMK1C1104DQF | 8-Channel (Octal) | On-Board Test Points | 8 - Immediate | $1,471.88 | View Details |
|  | LMK1C1104EVM | EVAL BOARD FOR LMK1C1104 | LMK1C1104 | - | On-Board Test Points | 2 - Immediate | $1,471.88 | View Details |
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