HCS515T(2002) Просмотр технического описания (PDF) - Microchip Technology

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HCS515T
(Rev.:2002)

KEELOQ® Code Hopping Decoder

Microchip Technology 

HCS515

TABLE 8-1: DC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating temperature

Commercial (C): 0°C ≤ TA ≤ +70°C

Industrial (I):

-40°C ≤ TA ≤ +85°C

Symbol

Parameters

Min.

Typ.(†) Max.

Units

Conditions

VDD Supply voltage

4.5

—

5.5

V

—

VPOR VDD start voltage to

—

Vss

—

V

—

ensure RESET

SVDD VDD rise rate to

ensure RESET

0.05*

—

—

V/ms

—

IDD Supply current

—

1.8

2.

mA FOSC = 4 MHz, VDD = 5.5V

IPD Power-Down Current

—

10

50

µA VDD = 4.5V

VIL Input low voltage

VSS

—

V MCLR = .2 VDD

VSS

—

0.8

V VDD between 4.5V and 5.5V

VIH Input high voltage

0.25 VDD + 0.8 —

VDD

V VDD between 4.5V and 5.5V

V Except MCLR = 0.80 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 mA, VDD = 4.5V

† 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.

TABLE 8-2: AC CHARACTERISTICS

Standard Operating Conditions (unless otherwise specified):

Commercial (C): 0°C ≤ TA ≤ +70°C

Industrial (I):

-40°C ≤ TA ≤ +85°C

Symbol

Parameters

Min.

Typ.

Max.

Units

Conditions

TE Transmit elemental period

65

—

660

µs

—

TOD Output delay

48

75

237

ms

—

TMCLR MCLR low time

150

—

—

ns

—

TOV Time output valid

—

150

222

ms

—

Note: These parameters are characterized but not tested.

FIGURE 8-1: RESET WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP

TIMER TIMING

VDD

MCLR

I/O Pins

TMCLR

Tov

DS40183D-page 20

© 2002 Microchip Technology Inc.

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