MAX3873A 查看數據表（PDF） - Maxim Integrated

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MAX3873A

Low-Power, Compact 2.5Gbps/2.7Gbps Clock-Recovery and Data-Retiming IC

Maxim Integrated 

Low-Power, Compact 2.5Gbps or 2.7Gbps

Clock-Recovery and Data-Retiming IC

AC ELECTRICAL CHARACTERISTICS (continued)

(VCC = 3.0V to 3.6V, CF = 0.022µF, TA = -40°C to +85°C. Typical values are at VCC = 3.3V, 2.488Gbps, TA = +25°C, unless otherwise

noted.) (Note 4)

Note 1: At TA = -40°C, DC characteristics are guaranteed by design and characterization.

Note 2: CML outputs open.

Note 3: RL = 50Ω to VCC.

Note 4: AC characteristics are guaranteed by design and characterization.

Note 5: Relative to the falling edge of SCLKO+. See Figure 2.

Note 6: Measured with 223 - 1 PRBS.

Note 7: Jitter BW = 12kHz to 20MHz.

Note 8: RATESET = low.

Note 9: RATESET = high.

VCC + 0.4V

VCC

800mV

25mV

VCC - 0.4V

VCC

VCC - 0.4V

(a) AC-COUPLED SINGLE-ENDED INPUT (CML OR PECL) 25mV

800mV

SCLKO+

SDO

tCLK

tCLK-Q

VCC - 0.8V

(b) DC-COUPLED SINGLE-ENDED CML INPUT

Figure 1. Definition of Input Voltage Swing

Figure 2. Definition of Clock-to-Q Delay

SERIAL DATA

<2μs

1200 BITS OF 1–0 PATTERN

FASTRACK

Figure 3. Definition of Phase Acquisition Time

INPUT DATA

DATA

VCO CLOCK PHASE ALIGNED TO INPUT DATA

LOL OUTPUT

LOL ASSERT TIME

FREQUENCY ACQUISITION TIME

Figure 4. Definition of LOL Assert Time and Frequency Acquisition Time

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