HCS370-I/SL(2002) View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

HCS370-I/SL
(Rev.:2002)

KEELOQ® Code Hopping Encoder

Microchip Technology 

HCS370

TABLE 9-2: AC CHARACTERISTICS

Commercial (C): TAMB = 0°C to +70°C

Industrial (I):

TAMB = -40°C to +85°C

Parameter

Sym.

2.05V < VDD < 5.5

Min. Typ.(1) Max.

Unit Conditions

Timing Element

Power-up Time

TE

90

—

880

µs BSEL = 002 (min) or

BSEL = 012

BSEL = 102

BSEL = 112 (max)

TPU

—

25

—

ms

PLL Set-up Time

TPLL

10

15

30

ms WAIT = 0

—

—

285

ms WAIT = 1

LED On Time

TLEDON

45

—

110

ms LEDOS = 0 (min) or

LEDOS = 1 (max)

LED Off Time

TLEDOFF

450

500

550

ms

Guard Time

TG

1.8

2TE

112.6

ms GSEL = 002(min)

5.6

6.4

7.0

ms GSEL = 012

46.1

51.2

56.3

ms GSEL = 102

96.1 102.4 42.6

ms GSEL = 112(max)

Note 1: All timing values are subject to the oscillator variance. These parameters are characterized but not tested.

DS41111D-page 26

Preliminary

2002 Microchip Technology Inc.

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