General Description
The IDT5V925BI is a high-performance, low skew, low jitter
phase-locked loop (PLL) clock driver. It provides precise phase and
frequency alignment of its clock outputs to an externally applied
clock input or internal crystal oscillator. The IDT5V925BI has been
specially designed to interface with Gigabit Ethernet and Fast
Ethernet applications by providing a 125MHz clock from 25MHz
input. It can also be programmed to provide output frequencies
ranging from 3.125MHz to 160MHz with input frequencies ranging
from 3.125MHz to 80MHz.
The IDT5V925BI includes an internal RC filter that provides
excellent jitter characteristics and eliminates the need for external
components. When using the optional crystal input, the chip accepts
a 10-30MHz fundamental mode crystal with a maximum equivalent
series resistance of 50. The on-chip crystal oscillator includes the
feedback resistor and crystal capacitors (nominal load capacitance
is 18pF).

Features
• 3V to 3.6V operating voltage
• 3.125MHz to 160MHz output frequency range
• Four programmable frequency LVCMOS/LVTTL outputs
• Input from fundamental crystal oscillator or external source
• Balanced drive outputs ±12mA
• PLL disable mode for low frequency testing
• Select inputs (S[1:0]) for divide selection (multiply ratio of 2, 3, 4,
5, 6, 7 and 8)
• 5V tolerant inputs
• Low output skew/jitter
• External PLL feedback, internal loop filter
• -40°C to 85°C ambient operating temperature
• Available in Lead-free (RoHS 6) package
• For functional replacement device use 8T49N242