ICD2051 Cypress Semiconductor Corp., ICD2051 Datasheet
ICD2051
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ICD2051 Summary of contents
Page 1
... The outputs may be changed “on the fly” to any desired fre- quency value between 320 kHz and 100 MHz. The ICD2051 is ideally suited for any design where one or more multiple or varying frequencies are required, thus replacing more expen- sive metal can oscillators ...
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... Serial data input line for both programmable PLLs Note: 1. For best accuracy, use a parallel-resonant crystal, assume C SOIC Top View SCLKB 1 16 DATA 2 15 MUXREFA 3 14 OEB GND /XTALIN 5 SCLKA 11 6 CLKA/4 10 XBUF 7 CLKA/2 CLKB 9 8 CLKA ICD2051– pF. LOAD 2 ICD2051 ...
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... General Considerations Programming the ICD2051 The desired output frequency is defined via a serial interface, with a 22-bin number shifted in. The ICD2051 has two pro- grammable PLLs (CLKA and CLKB), requiring a 22-bit pro- gramming word ( loaded into each channel indepen- dently. This word contains 5 fields: Table 1 ...
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... Output Frequency Accuracy Error (PPM) The accuracy of the ICD2051 output frequencies depends on 460 the target output frequency. As stated previously, the output 40 frequencies of the ICD2051 are integrally related to the input 419 reference frequency (OUT) (REF) Only certain output frequencies are possible for a particular reference frequency ...
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... Description Test Conditions I = 4.0mA 4 Except XTALIN pins Except XTALIN pins V = 5.25V Three-state outputs max., 100 MHz ICD2051 Ambient V & AMBIENT Min. Max. Unit 4.75 5. Min. Max. 2.4 0.4 2.0 0.8 150 250 ...
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... Delay of CLKA or CLKB prior to valid new fre- quency at output Time for the outputs to go into three-state mode after OE signal assertion Time for the outputs to recover from three-state mode after OE signal goes HIGH 1.5V ICD2051–3 6 ICD2051 Min. Max. Unit 0.320 100 MHz 1 25 ...
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... DATA VALID DATA CLKA CLKB t freq1 ORIGINAL FREQUENCY Three-State Timing THREE–STATE OUTPUT CLKA CLKB t 3 10% ICD2051– (REF) freq2 REFERENCE FREQUENCY NEW FREQUENCY t 15 ICD2051–6 7 ICD2051 ICD2051–5 ...
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... The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges. DEVICE UNDER TEST LOAD GND Operating Package Type Range [3] Commercial ICD2051 CLK out ...