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LVCMOS/LVTTL Clock Input
2.5V LVCMOS Outputs for Pentium II Microprocessor Support
150ps Maximum Targeted Output鈥搕o鈥揙utput Skew
Maximum Output Frequency of 250MHz @ 3.3 VCC
32鈥揕ead TQFP Packaging
Single 3.3V or 2.5V Supply
FA SUFFIX
32鈥揕EAD TQFP PACKAGE
CASE 873A鈥?2
With a low output impedance (鈮?2鈩?, in both the HIGH and LOW logic
states, the output buffers of the MPC942 are ideal for driving series
terminated transmission lines. With an output impedance of 12鈩?the
MPC942 can drive two series terminated transmission lines from each
output. This capability gives the MPC942 an effective fanout of 1:36. The
MPC942 provides enough copies of low skew clocks for most high
performance synchronous systems.
The LVCMOS/LVTTL input of the MPC942C provides a more standard LVCMOS interface. The OE pins will place the outputs
into a high impedance state. The OE pin has an internal pullup resistor.
The MPC942 is a single supply device. The VCC power pins require either 2.5V or 3.3V. The 32鈥搇ead TQFP package was
chosen to optimize performance, board space and cost of the device. The 32鈥搇ead TQFP has a 7x7mm body size with a
conservative 0.8mm pin spacing.
Pentium II is a trademark of Intel Corporation.
02/01
漏
Motorola, Inc. 2001
For More Information On This Product,
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Go to: www.freescale.com
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