OXCB950 datasheet(63/68 Pages) ETC

63 / 68 page

Data Sheet Revision 1.0 PRELIMINARY

Page 63

OXCB950

OXFORD SEMICONDUCTOR LTD.

12 POWER CONSUMPTION MEASUREMENTS

The following values are actual current measurements for the oxcb950 device using prototype test boards. These values are to

be treated as indicators and do not necessarily represent actual figures or incur statistical spreads associated with production

parts.

12.1 Static current consumption

•

DC current with the PCI clock and XTLI pins grounded

100uA

•

Current drawn with the XTL1 Pin grounded but with the PCI interface clock running.

7.8mA

12.2 Current consumption in application

•

Current when no accesses have been made to the UART and the UART

automatically enters its sleep state.

4.5mA

•

Current when the UART is in full operation, transmitting and receiving via internal

loopback at maximum data rate (DLLDLM=1).

14mA

•

Current when the UART divisor latch has been set to maximum divide and the UART

is in full speed operation.

12mA

•

Current when the (UART) power management state is configured to power states D2

3.2mA

•

Current when the (UART) power management state is configured to power states D3

3.2mA

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