Texas Instruments LMK3H2108A04RKPR
Manufacturer No:
LMK3H2108A04RKPR
Manufacturer:
Texas Instruments
Package:
Description:
8-output, PCIe Gen 1 to Gen 7 compliant, BAW reference-less clock generator, clock mux and buffer
Quantity:
In Stock :3021
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Shipped from：HK Warehouse
Expected Shipping：Fri, May 29 - Sat, May 30, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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LMK3H2108A04RKPR Information
Texas Instruments LMK3H2108A04RKPR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments LMK3H2108A04RKPR.
- Type
- Parameter
- Function
- Clock buffer, Clock generator, Mux buffer
- Number of outputs
- 8
- Output frequency (max) (MHz)
- 400
- Core supply voltage (V)
- 1.8, 2.5, 3.3
- Output supply voltage (V)
- 1.8, 2.5, 3.3
- Output type
- LP-HCSL, LVCMOS, LVDS
- Operating temperature range (°C)
- -40 to 85
- Features
- I2C, One-Time Programmable (OTP) memory, Pin programmable, Serial interface
- Rating
- Catalog
- Package
- VQFN (RKP)
- Type
- Parameter
- Pins
- 40
- Size
- 25 mm² 5 x 5
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments LMK3H2108A04RKPR.
User guide:
Data sheet:
EVM User's guide:
LMK3H2104 and LMK3H2108 are BAW-based clock generators that do not require any external XTAL or XO. The devices can be used as PCIe clock generators or general purpose clock generators. The 2 FODs (Fractional Output Divider) provide frequency flexibility, low power and low jitter at the same time.
LMK3H2104 has up to 4 differential outputs plus 2 LVCMOS outputs or up to 10 LVCMOS outputs. LMK3H2108 has up to 8 differential outputs or 16 LVCMOS outputs.
LMK3H2104 has one clock input and LMK3H2108 has three clock inputs. The clock inputs provide clock multiplexing and buffering ability. Each output bank can independently select any clock source.
The GPI and GPIO pins provide additional control flexibility. These pins can be configured as individual OE, grouped OE, I2C address selection, OTP page selection, PWRGD/PWRDN#, status output and other functions.
The device supports one-time programmable (OTP) non-volatile memory which can be customized and factory preprogrammed.
- Integrated BAW resonator
- No need for external XTAL/XO
- Flexible output frequency
- 2 fraction output dividers (FOD), individual channel dividers
- Up to 400MHz output frequency
- Flexible output format
- 1.2/1.8/2.5/3.3V LVCMOS
- DC- or AC-coupled LVDS
- LP-HCSL with programmable swing. LVPECL, CML and other formats can be derived from LP-HCSL
- Very low jitter
- 61fs max PCIe Gen 5 CC with SSC jitter
- 36.4fs max PCIe Gen 6 CC with SSC jitter
- 25.5fs max PCIe Gen 7 CC with SSC jitter
- PCIe Gen 1 to Gen 7 compliant
- Configurable SSC
- Programmable -0.05% to -3% down spread and ±0.025% to ±1.5% center spread, or preset -0.1%, -0.25%, -0.3% and -0.5% down spread
- 3 inputs (LMK3H2108) or 1 input (LMK3H2104) that can be bypassed to any output
- 5ms max startup time
- Fail-safe input pins can be pulled high when device power is off
- Flexible power supply
- Each VDD pin can be independently connected to = 1.8, 2.5 or 3.3V
- Each VDDO pin can be independently connected set to 1.8, 2.5 or 3.3V
- -40 to 105°C ambient temperature
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12.28 M
Listed Part Number
3,000+
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