DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers

25 of 40

DC ELECTRICAL CHARACTERISTICS—DS80C323

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Operating Supply Voltage

2.7

3.0

5.5

V

1

Power-Fail Warning Voltage

2.6

2.7

2.8

V

1

Minimum Operating Voltage

2.5

2.6

2.7

V

1, 12

Supply Current Active Mode at 18MHz

10

mA

2

Supply Current Idle Mode at 18MHz

6

mA

3

Supply Current Stop Mode,

Bandgap Reference Disabled

0.1

µA

2

Supply Current Stop Mode,

Bandgap Reference Enabled

40

µA

4, 10

Input Low Level

-0.3

V

1

Input High Level

(Except XTAL1 and RST)

V

1

Input High Level XTAL1 and RST

+0.25V

V

1

Output Low Voltage Ports 1, 3

0.4

V

1

Output Low Voltage Ports 0, 2,

PSEN

0.4

V

1, 5

Output High Voltage Ports 1, 3,

PSEN

-0.4V

V

1, 6

Output High Voltage Ports 1, 3

-0.4V

V

1, 7

Output High Voltage Ports 0, 2,

PSEN

-0.4V

V

1, 5

Input Low Current Ports 1, 3 at 0.45V

-30

µA

11

Transition Current from 1

³ 0,

Ports 1, 3 at 2V

-400

µA

8

Input Leakage Port 0, Bus Mode

-300

+300

µA

9

RST Pulldown Resistance

50

170

k

W

NOTES FOR DS80C323 DC ELECTRICAL CHARACTERISTICS

All parameters apply to both commercial and industrial temperature operation unless otherwise noted. Specifications to -40°C

are guaranteed by design and are not production tested. Device operating range is 2.7V to 5.5V. DC electrical specifications are

for operation 2.7V to 3.3V.

1. All voltages are referenced to ground.

pins disconnected.

disconnected.

5. When addressing external memory. This specification only applies to the first clock cycle following the

transition.