HCS512-SN 查看數據表（PDF） - Microchip Technology

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HCS512-SN

KEELOQ® Code Hopping Decoder

Microchip Technology 

HCS512

TABLE 9-1:

DC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating temperature

Commercial (C): 0°C ≤ TA ≤ +70°C for commercial

Industrial (I):

-40°C ≤ TA ≤ +85°C for industrial and

Symbol

Characteristic

Min

Typ(†)

Max

Units

Conditions

VDD

Supply Voltage

3.0

—

6.0

V

VPOR VDD start voltage to

—

VSS

—

V

ensure Reset

SVDD

VDD rise rate to

0.05*

—

ensure Reset

—

V/ms

IDD

Supply Current

—

1.8

4.5

mA

FOSC = 4 MHz, VDD = 5.5V

—

7.3

10

mA (During EEPROM programming)

15

32

µA

In SLEEP mode

VIL

Input Low Voltage

VSS

—

0.16 VDD

V

except MCLR = 0.2 VDD

VIH

Input High Voltage 0.48 VDD

—

VDD

V

except MCLR = 0.85 VDD

VOL

Output Low Voltage

—

—

0.6

V

IOL = 8.5 mA, VDD = 4.5V

VOH

Output High Voltage VDD-0.7

—

—

V

IOH = -3.0 mA, VDD = 4.5V

Note:

†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.

Negative current is defined as coming out of the pin.

TABLE 9-2: AC CHARACTERISTICS

Symbol

Characteristic

Min

FOSC

Oscillator frequency

2.7

65

TE

PWM elemental

pulse width

130

TOD

Output delay

70

TA

Output activation time

322

TRPT REPEAT activation time

32

TLRN

LRNIN activation time

21

TMCLR

MCLR low time

150

TOV

Time output valid

—

Typ Max Units

Conditions

4

6.21 MHz

Rext = 10K, Cext = 10pF

—

1080

µs

4.5V < VDD < 5.5V

Oscillator components tolerance < 6%.

—

1080

µs

3V < Vdd < 6V

Oscillator components tolerance <10%

90

115

ms

500

740

ms

50

74

ms

32

—

ms

—

—

ns

150

222

ms

FIGURE 9-1: RESET WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP

TIMER TIMING

VDD

MCLR

I/O Pins

TMCLR

TOV

© 1997 Microchip Technology Inc.

DS40151C-page 15

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