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ADSP-2185NBCA-320 Datasheet(PDF) 22 Page - Analog Devices |
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ADSP-2185NBCA-320 Datasheet(HTML) 22 Page - Analog Devices |
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22 / 45 page  ADSP-218xN Series –22– REV. 0 ABSOLUTE MAXIMUM RATINGS I DD Supply Current (Idle) 9 @ V DDINT = 1.9 V, t CK = 12.5 ns, T AMB = 25°C 6.5 mA I DD Supply Current (Dynamic)10 @ V DDINT = 1.9 V, t CK = 12.5 ns 11, T AMB = 25°C 26 mA I DD Supply Current (Power- Down)12 @ V DDINT = 1.8 V, T AMB = 25 °C in Lowest Power Mode 100 µA C I Input Pin Capacitance3, 6 @ V IN = 1.8 V, f IN = 1.0 MHz, T AMB = 25°C 8pF C O Output Pin Capacitance 6, 7, 12, 13 @ V IN = 1.8 V, f IN = 1.0 MHz, T AMB = 25 °C 8pF 1Specifications subject to change without notice. 2Bidirectional pins: D23–0, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, A13–1, PF7–0. 3Input only pins: CLKIN, RESET, BR, DR0, DR1, PWD. 4Output pins: BG, PMS, DMS, BMS, IOMS, CMS, RD, WR, PWDACK, A0, DT0, DT1, CLKOUT, FL2–FL0, BGH. 5Although specified for TTL outputs, all ADSP-218xN outputs are CMOS-compatible and will drive to V DDEXT and GND, assuming no dc loads. 6Guaranteed but not tested. 7Three-statable pins: A13–A1, D23–D0, PMS, DMS, BMS, IOMS, CMS, RD, WR, DT0, DT1, SCLK0, SCLK1, TFS0, TFS1, RFS0, RFS1, PF7–PF0. 80 V on BR. 9Idle refers to ADSP-218xN state of operation during execution of IDLE instruction. Deasserted pins are driven to either V DD or GND. 10I DD measurement taken with all instructions executing from internal memory. 50% of the instructions are multifunction (Types 1, 4, 5, 12, 13, 14), 30% are Type 2 and Type 6, and 20% are idle instructions. 11V IN = 0 V and 3 V. For typical values for supply currents, refer to Power Dissipation section. 12See ADSP-218x DSP Hardware Reference for details. 13Output pin capacitance is the capacitive load for any three-stated output pin. ELECTRICAL CHARACTERISTICS (CONTINUED) Parameter1 Description Test Conditions Min Typ Max Unit Internal Supply Voltage (V DDINT) 1 . . . . . . . . –0.3 V to +2.2 V External Supply Voltage (V DDEXT) . . . . . . . . – 0.3 V to + 4.0 V Input Voltage2 . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to + 4.0 V Output Voltage Swing 3 . . . . . . . . . . .–0.5 V to V DDEXT +0.5 V Operating Temperature Range . . . . . . . . . . . – 40ºC to + 85ºC Storage Temperature Range . . . . . . . . . . . . – 65ºC to + 150ºC Lead Temperature (5 sec) LQFP . . . . . . . . . . . . . . . – 280ºC 1Stresses greater than those listed above may cause permanent damage to the device. These are stress ratings only. Functional operation of the device at these or any other conditions greater than those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating condi- tions for extended periods may affect device reliability. 2Applies to Bidirectional pins (D23–0, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, A13 – 1, PF7 – 0) and Input only pins (CLKIN, RESET, BR, DR0, DR1, PWD). 3Applies to Output pins (BG, PMS, DMS, BMS, IOMS, CMS, RD, WR, PWDACK, A0, DT0, DT1, CLKOUT, FL2 – 0, BGH). |
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