X25163 Просмотр технического описания (PDF) - Xicor -> Intersil

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производитель

X25163

Programmable Watchdog Timer & VCC Supervisory Circuit w/Serial E2PROM

Xicor -> Intersil 

X25643/45

X25323/25

X25163/65

Power-Up and Power-Down Timing

VCC

VTRIP

0 Volts

tR

RESET (X25643)

tPURST

tPURST

RESET (X25645)

V TRIP

tF

tRPD

RESET Output Timing

Symbol

VTRIP

tPURST

tRPD(5)

tF(5)

tR(5)

VRVALID

Parameter

Reset Trip Point Voltage, 5V Device

Reset Trip Point Voltage, 2.7V Device

Reset Trip Point Voltage, 1.8V Device

Power-up Reset Timeout

VCC Detect to Reset/Output

VCC Fall Time

VCC Rise Time

Reset Valid VCC

Notes: (5) This parameter is periodically sampled and not 100% tested.

CS vs. RESET/RESET Timing

Min.

4.25

2.55

1.7

100

0.1

0.1

1

CS

RESET

t CST

t WDO

tRST

tWDO

Typ.

200

t RST

RESET

RESET/RESET Output Timing

Symbol

tWDO

tCST

tRST

Parameter

Watchdog Timeout Period,

WD1 = 1, WD0 = 0

WD1 = 0, WD0 = 1

WD1 = 0, WD0 = 0

CS Pulse Width to Reset the Watchdog

Reset Timeout

Min.

100

450

1

400

100

Typ.

200

600

1.4

200

12

Max.

4.5

2.7

1.8

280

500

Units

V

V

V

ms

ns

ns

ns

V

7036 FRM T15

Max.

300

800

2

300

Units

ms

ms

sec

ns

ms

7036 FRM T16

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