X4283AP datasheet(18/22 Pages) XICOR

18 / 22 page

X4283/85 – Preliminary Information

Characteristics subject to change without notice.

18 of 22

REV 1.17 11/27/00

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RESET Output Timing

VTRIP Programming Timing Diagram (WEL = 1)

VTRIP Programming Parameters

Symbol

Parameter

Min.

Typ.

Max.

Unit

tWDO

Watchdog Time Out Period,

WD1 = 1, WD0 = 0

WD1 = 0, WD0 = 1

WD1 = 0, WD0 = 0 (factory setting)

100

450

250

650

1.5

400

850

sec

tRST

Reset Time Out

100

250

400

Parameter

Description

Min.

Max.

Unit

tVPS

VTRIP Program Enable Voltage Setup time

µs

tVPH

VTRIP Program Enable Voltage Hold time

µs

tTSU

VTRIP Setup time

µs

tTHD

VTRIP Hold (stable) time

tWC

VTRIP Write Cycle Time

tVPO

VTRIP Program Enable Voltage Off time (Between successive adjustments)

µs

tRP

VTRIP Program Recovery Period (Between successive adjustments)

Programming Voltage

VTRAN

VTRIP Programmed Voltage Range

2.55

4.75

Vta1

Initial VTRIP Program Voltage accuracy (VCC applied–VTRIP) (Programmed at 25°C.)

-0.1

+0.4

Vta2

Subsequent VTRIP Program Voltage accuracy [(VCC applied–Vta1)—VTRIP.

Programmed at 25°C.)

-25

+25

Vtr

VTRIP Program Voltage repeatability (Successive program operations. Programmed

at 25°C.)

-25

+25

Vtv

VTRIP Program variation after programming (0–75°C). (Programmed at 25°C.)

-25

+25

VTRIP programming parameters are periodically sampled and are not 100% tested.

VCC

(VTRIP)

tTSU

tTHD

tVPH

tVPS

VTRIP

tVPO

SCL

SDA

A0h

01h or 03h

tRP

00h

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