R
DC and Switching Characteristics
Table 12: Recommended Operating Conditions for the DLL
Speed Grade
-4
-5
Symbol
Description
Min
Max
Min
Max
Units
Input Frequency Ranges
FCLKIN
CLKIN_FREQ_DLL
Frequency for the CLKIN input
5
326
5(2)
280
MHz
Notes:
1. DLL specifications apply when any of the DLL outputs (CLK0, CLK90, CLK180, CLK270, CLK2X, CLK2X180, or CLKDV) are in use.
2. Use of the DFS permits lower F frequencies. See Table 14.
CLKIN
Table 13: Switching Characteristics for the DLL
Speed Grade
-5
-4
Symbol
Description
Min
Max
Min
Max
Units
Output Frequency Ranges
CLKOUT_FREQ_1X
Frequency for the CLK0 and CLK180 outputs
Frequency for the CLK90 and CLK270 outputs
5
5
326
165
400
5
5
280
165
330
MHz
MHz
MHz
CLKOUT_FREQ_2X
Frequency for the CLK2X and CLK2X180
outputs
10
10
Notes:
1. The numbers in this table are based on the operating conditions set forth in Table 4 and Table 12.
2. DLL specifications apply when any of the DLL outputs (CLK0, CLK90, CLK180, CLK270, CLK2X, CLK2X180, or CLKDV) are in use.
DS312-3 (v1.0) March 1, 2005
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11
Advance Product Specification
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