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ADMCF341-EVALKIT Datenblatt(PDF) 4 Page - Analog Devices |
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ADMCF341-EVALKIT Datenblatt(HTML) 4 Page - Analog Devices |
4 / 36 page REV. 0 –4– ADMCF341 SPECIFICATIONS (continued) FLASH MEMORY Parameter Min Typ Max Unit Conditions/Comments Endurance 10,000 Cycles Cycle = Erase/Program/Verify Data Retention 15 Years Program and Erase Operating Temperature 0 85 ∞C Read Operating Temperature –40 +85 ∞C Specifications subject to change without notice. TIMING PARAMETERS Parameter Min Max Unit Clock Signals Signal tCK is defined as 0.5 tCKIN. The ADMCF341 uses an input clock with a frequency equal to half the instruction rate; a 10 MHz input clock (which is equivalent to 100 ns) yields a 50 ns processor cycle (equivalent to 20 MHz). When tCK values are within the range of 0.5 tCKIN period, they should be substituted for all relevant timing parameters to obtain specification value as in the following example: tt ns ns ns ns CKH CK =- = ¥-= 05 10 05 50 10 15 .. Timing Requirements: tCKIN CLKIN Period 100 150 ns tCKIL CLKIN Width Low 20 ns tCKIH CLKIN Width High 20 ns Switching Characteristics: tCKL CLKOUT Width Low 0.5 tCK – 10 ns tCKH CLKOUT Width High 0.5 tCK – 10 ns tCKOH CLKIN High to CLKOUT High 0 20 ns Control Signals Switching Characteristics tRSP RESET Width Low 5 tCK* ns PWM Shutdown Signals Switching Characteristics tPWMTPW PWMTRIP Width Low tCK ns *Applies after power-up sequence is complete. Specifications subject to change without notice. CLKIN CLKOUT tCKL tCKIL tCKH tCKIH tCKIN tCKOH Figure 1. Clock Signals |
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Ähnliche Beschreibung - ADMCF341-EVALKIT |
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