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NSAM266SA Datasheet(PDF) 11 Page - National Semiconductor (TI) |
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NSAM266SA Datasheet(HTML) 11 Page - National Semiconductor (TI) |
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11 / 52 page  10 Hardware (Continued) 14 SPECIFICATIONS 141 Absolute Maximum Ratings If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Storage Temperature b 65 Cto a150 C Temperature under Bias 0 Cto a70 C All Input or Output Voltages with Respect to GND b 05V to a65V Note Absolute maximum ratings indicate limits beyond which permanent damage may occur Continuous operation at these limits is not intend- ed operation should be limited to those conditions specified below 142 Electrical Characteristics TA e 0 Cto a70 C VCC e 5V g10% GND e 0V Symbol Parameter Conditions Min Typ Max Units VIH TTL Input 20 VCC a V Logical 1 Input Voltage 05 VIL TTL Input Logical 0 Input Voltage b 05 08 V VXH CLKIN Input High Voltage External Clock 20 V VXL CLKIN Input Low Voltage External Clock 08 V VENVh ENV0 High Level Input Voltage 36 V VHh CMOS Input with Hysteresis 36 V Logical 1 Input Voltage VHI CMOS Input with Hysteresis 11 V Logical 0 Input Voltage VHys Hysteresis Loop Width (Note A) 05 V VOH Logical 1 TTL Output Voltage IOH eb04 mA 24 V VOHWC MMCLK MMDOUT and EMCS IOH eb04 mA 24 V Logical 1 Output Voltage IOH eb50 mA (Note B) VCC b 02 V VOL Logical 0 TTL Output Voltage IOL e 4 mA 045 V IOL e 50 mA (Note B) 02 V VOLWC MMCLK MMDOUT and EMCS IOL e 40 mA 045 V Logical 0 Output Voltage IOL e 50 mA (Note B) 02 V IL Input Load Current (Note C) 0V s VIN s VCC b 50 50 m A IO (Off) Output Leakage Current 0V s VOUT s VCC b 50 50 m A (IO Pins in Input Mode) (Note C) ICC1 Active Supply Current Normal Operation Mode 65 80 mA Running Speech Applications (Note D) ICC2 Standby Supply Current Normal Operation Mode 40 mA DSPM Idle (Note D) ICC3 Power-Down Mode Power-Down Mode 15 mA Supply Current (Notes D and E) CX X1 and X2 Capacitance (Note A) 17 pF Note A Guaranteed by design Note B Measured in power-down mode The total current driven or sourced by all the CompactSPEECH’s output signals is k 50 mA Note C Maximum 20 mA for all pins together Note D IOUT e 0 TA e 25 C VCC e 5V operating from a 4096 MHz crystal and running from internal memory with Expansion Memory disabled Note E All input signals are tied to 1 or 0 (above VCC b 05 or below VSS a05V) http www nationalcom 11 |
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