X80120, X80121

FN8151 Rev 0.00

Page 4 of 17

January 20, 2005

Equivalent A.C. Output Load Circuit

Electrical Specifications

(Programmable Parameters) Over the recommended operating conditions unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tSPOR

Delay before RESET assertion

TPOR1 = 0 TPOR0 = 0

Factory Default

90

100

110

ms

TPOR1 = 0 TPOR0 = 1

(Note 3)

450

500

550

ms

TPOR1 = 1 TPOR0 = 0

(Note 3)

0.9

1

1.1

s

TPOR1 = 1 TPOR0 = 1

(Note 3)

4.5

5

5.5

s

tDELAYi

Time Delay used in Power Sequencing

(i = 1, 4)

TiD1 = 0 TiD0 = 0

Factory Default

90

100

110

ms

TiD1 = 0 TiD0 = 1

(Note 3)

450

500

550

ms

TiD1 = 1 TiD0 = 0

(Note 3)

0.9

1

1.1

s

TiD1 = 1 TiD0 = 1

(Note 3)

4.5

5

5.5

s

5V

SDA

30pF

4.6k



RESET

30pF

V1GDO,

5V

4.6k



30pF

V4GDO

5V

4.6k



A.C. Test Conditions

Input pulse levels

VCC x 0.1 to VCC x 0.9

Input rise and fall times

10ns

Input and output timing levels

VCC x 0.5

Output load

Standard output load

ViMON

ViGDO

VTRIPi

tTO

i = 1, 4

Initial

Power-up

tDELAYi

VCC

tDPOR

tDELAYi

FIGURE 1. INITIAL POWER UP TIMING