NSAM266SAASLASHV datasheet(11/52 Pages) NSC

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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

65 Cto a150 C

Temperature under Bias

0 Cto a70 C

All Input or Output Voltages

with Respect to GND

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

VCC a

Logical 1 Input Voltage

VIL

TTL Input Logical 0 Input Voltage

VXH

CLKIN Input High Voltage

External Clock

VXL

CLKIN Input Low Voltage

External Clock

VENVh

ENV0 High Level Input Voltage

VHh

CMOS Input with Hysteresis

Logical 1 Input Voltage

VHI

CMOS Input with Hysteresis

Logical 0 Input Voltage

VHys

Hysteresis Loop Width (Note A)

VOH

Logical 1 TTL Output Voltage

IOH eb04 mA

VOHWC

MMCLK MMDOUT and EMCS

IOH eb04 mA

Logical 1 Output Voltage

IOH eb50 mA (Note B)

VCC b 02

VOL

Logical 0 TTL Output Voltage

IOL e 4 mA

045

IOL e 50 mA (Note B)

VOLWC

MMCLK MMDOUT and EMCS

IOL e 40 mA

045

Logical 0 Output Voltage

IOL e 50 mA (Note B)

Input Load Current (Note C)

0V s VIN s VCC

IO (Off)

Output Leakage Current

0V s VOUT s VCC

(IO Pins in Input Mode) (Note C)

ICC1

Active Supply Current

Normal Operation Mode

Running Speech Applications (Note D)

ICC2

Standby Supply Current

Normal Operation Mode

DSPM Idle (Note D)

ICC3

Power-Down Mode

Supply Current

(Notes D and E)

X1 and X2 Capacitance (Note A)

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)

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