CY29946: 2.5 V or 3.3 V, 200-MHz, 1:10 Clock Distribution Buffer | Cypress Semiconductor
CY29946: 2.5 V or 3.3 V, 200-MHz, 1:10 Clock Distribution Buffer
2.5 V or 3.3 V, 200-MHz, 1:10 Clock Distribution Buffer
2.5 V or 3.3 V operation
200-MHz clock support
Two LVCMOS-/LVTTL-compatible inputs
Ten clock outputs: drive up to 20 clock lines
1× or 1/2× configurable outputs
Output three-state control
250-ps max output-to-output skew
Pin-compatible with MPC946, MPC9446
Available in commercial and industrial temperature range
32-pin TQFP package
The CY29946 is a low-voltage 200-MHz clock distribution buffer with the capability to select one of two LVCMOS/LVTTL compatible input clocks. These clock sources can be used to provide for test clocks as well as the primary system clocks. All other control inputs are LVCMOS/LVTTL compatible. The 10 outputs are LVCMOS or LVTTL compatible and can drive 50Ω series or parallel terminated transmission lines. For series terminated transmission lines, each output can drive one or two traces giving the device an effective fanout of 1:20.
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