HCS512

© 1997 Microchip Technology Inc.

DS40151C-page 15

TABLE 9-1:

DC CHARACTERISTICS

TABLE 9-2:

AC CHARACTERISTICS

FIGURE 9-1:

RESET WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP

TIMER TIMING

Standard Operating Conditions (unless otherwise stated)

Operating temperature

Commercial (C):

0

Industrial (I):

-40

Symbol

Characteristic

Min

Max

Units

Conditions

Supply Voltage

3.0

—

6.0

V

ensure Reset

—

—

V

ensure Reset

0.05*

—

—

V/ms

Supply Current

—

—

1.8

7.3

15

4.5

10

32

mA

mA

µA

(During EEPROM programming)

In SLEEP mode

Input Low Voltage

—

V

Input High Voltage

—

V

Output Low Voltage

—

—

0.6

V

Output High Voltage

—

—

V

†Data in “Typ” column is at 5.0V, 25

°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

*These parameters are characterized but not tested.

Note:

Negative current is defined as coming out of the pin.

Symbol

Characteristic

Min

Typ

Max

Units

Conditions

Oscillator frequency

2.7

4

6.21

MHz

Rext = 10K, Cext = 10pF

PWM elemental

pulse width

65

—

1080

µs

Oscillator components tolerance < 6%.

130

—

1080

µs

3V < Vdd < 6V

Oscillator components tolerance <10%

Output delay

70

90

115

ms

Output activation time

322

500

740

ms

REPEAT activation time

32

50

74

ms

LRNIN activation time

21

32

—

ms

MCLR low time

150

—

—

ns

Time output valid

—

150

222

ms

MCLR

I/O Pins

TMCLR