X5323PIZ datasheet(13/19 Pages) RENESAS

13 / 19 page

X5323, X5325 (Replaces X25323, X25325)

FN8131 Rev 3.00

Page 13 of 19

December 9, 2015

CS/WDI vs RESET/RESET Timing

RESET Output Timing

SYMBOL

PARAMETER

MIN

TYP

MAX

UNIT

VTRIP

Reset Trip Point Voltage, X5323-4.5A, X5323-4.5A

4.5

4.63

4.75

Reset Trip Point Voltage, X5323, X5325

4.25

4.38

4.5

Reset Trip Point Voltage, X5323-2.7A, X5325-2.7A

2.85

2.92

3.0

Reset Trip Point Voltage, X5323-2.7, X5325-2.7

2.55

2.63

2.7

VTH

VTRIP Hysteresis (HIGH to LOW vs LOW to HIGH VTRIP Voltage)

tPURST

Power-up Reset Time-Out

100

200

280

tRPD (Note 5) VCC Detect To Reset/Output

500

tF (Note 5)

VCC Fall Time

100

µs

tR (Note 5)

VCC Rise Time

100

µs

VRVALID

Reset Valid VCC

NOTE:

5. This parameter is periodically sampled and not 100% tested.

CS/WDI

tCST

RESET

tWDO

tRST

tWDO

tRST

RESET

RESET/RESET Output Timing

SYMBOL

PARAMETER

MIN

TYP

MAX

UNIT

tWDO

Watchdog Time-Out Period

WD1 = 1, WD0 = 0

100

200

300

WD1 = 0, WD0 = 1

450

600

800

WD1 = 0, WD0 = 0

1.4

tCST

CS Pulse Width to Reset the Watchdog

400

tRST

Reset Time-Out

100

200

300

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