MC88915EI55R2

Differential - Input:Output:	No/No
Base Part Number:	MC88915
Supplier Device Package:	28-PLCC (11.5x11.5)
Package / Case:	28-LCC (J-Lead)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	4.75 V ~ 5.25 V
Divider/Multiplier:	Yes/Yes
Frequency - Max:	55MHz
Series:	--
Ratio - Input:Output:	2:8
Number of Circuits:	1
Output:	CMOS, TTL
Input:	TTL
PLL:	Yes with Bypass
Type:	PLL Clock Driver
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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MC88915EI55R2 is a programmable clock generator with two outputs. It supports up to ten clock frequencies, making it a versatile device suited for various clock and timing applications. The device is ideal for applications such as networking, telecom and industrial control systems, where flexibility and reliability are imperative.As a clock generator, the MC88915EI55R2 produces precise clock frequency outputs and is designed to meet the challenging needs of today’s high-performance applications. It is designed to operate in any condition – from sub-zero temperatures to well over 100°C. Additionally, the device can withstand the most extreme shock and vibration conditions.The device works on a phase-locked loop (PLL) principle. PLL is basically a mechanism for obtaining a stable frequency output from an input signal of variable frequency. In a PLL system, a reference signal (or oscillator) and a feedback signal are used to maintain the system’s lock.The MC88915EI55R2 has an internal digital phase-locked loop (DPLL) circuit, which uses a synthesizer to produce an output frequency that is precisely on the desired frequency. The PLL module includes two reference clocks, two selectable output frequencies, real-time live trimming of offset and frequency, and optionally restartable loop bandwidth feature.The device utilizes a special loop bandwidth adjustment circuit to minimize drift and improve noise immunity. The PLL circuit has a programmable loop bandwidth and offsets for precise frequency configuration. Its programmable ring oscillator circuit provides very stable frequency output, minimizing jitter and noise.The MC88915EI55R2 is ideal for high-performance clock and timing applications. It can operate from -55℃ to +125℃, allowing it to accommodate a wide range of environmental conditions. Its low power consumption also makes it attractive for energy-critical applications. Additionally, its high resilience to shock and vibration make it suitable for industrial, automotive and military applications.The MC88915EI55R2 is thus a perfect choice for applications requiring high levels of reliability and flexibility. It produces a precise frequency output, offering minimum jitter and low noise. Its flexibility is further enhanced by its capability to handle different clock frequencies. As a result, it’s an ideal device for networking, telecom and industrial control applications.

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