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AM186EM-33VC/W Scheda tecnica(PDF) 87 Page - Advanced Micro Devices |
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AM186EM-33VC/W Scheda tecnica(HTML) 87 Page - Advanced Micro Devices |
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87 / 98 page ![]() Am186/188EM and Am186/188EMLV Microcontrollers 87 P R E L IMINAR Y SWITCHING CHARACTERISTICS over COMMERCIAL operating range Ready and Peripheral Timing (20 MHz and 25 MHz) Notes: All timing parameters are measured at 1.5 V with 50 pF loading on CLKOUTA unless otherwise noted. All output test conditions are with CL = 50 pF. For switching tests, VIL = 0.45 V and VIH = 2.4 V, except at X1 where VIH = VCC – 0.5 V. a This timing must be met to guarantee proper operation. b This timing must be met to guarantee recognition at the clock edge. Preliminary Preliminary Parameter 20 MHz 25 MHz No. Symbol Description Min Max Min Max Unit Ready and Peripheral Timing Requirements 47 tSRYCL SRDY Transition Setup Time(a) 10 10 ns 48 tCLSRY SRDY Transition Hold Time(a) 3 3 ns 49 tARYCH ARDY Resolution Transition Setup Time(b) 10 10 ns 50 tCLARX ARDY Active Hold Time(a) 4 4 ns 51 tARYCHL ARDY Inactive Holding Time 6 6 ns 52 tARYLCL ARDY Setup Time(a) 15 15 ns 53 tINVCH Peripheral Setup Time(b) 10 10 ns 54 tINVCL DRQ Setup Time(b) 10 10 ns Peripheral Timing Responses 55 tCLTMV Timer Output Delay 25 20 ns |
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