HCS370

DS41111D-page 26

Preliminary

2002 Microchip Technology Inc.

TABLE 9-2:

AC CHARACTERISTICS

Commercial (C):

0

°C to +70°C

Industrial (I):

°C to +85°C

Parameter

Sym.

Min.

Max.

Unit

Conditions

Timing Element

90

—880

µs

BSEL = 00

BSEL = 01

2

BSEL = 10

2

BSEL = 11

Power-up Time

—25

—

ms

PLL Set-up Time

10

—

15

—

30

285

ms

ms

WAIT = 0

WAIT = 1

LED On Time

45

—

110

ms

LEDOS = 0 (min) or

LEDOS = 1 (max)

LED Off Time

450

500

550

ms

Guard Time

1.8

5.6

46.1

96.1

6.4

51.2

102.4

112.6

7.0

56.3

42.6

ms

ms

ms

ms

GSEL = 00

GSEL = 01

2

GSEL = 10

2

GSEL = 11

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