X28C64DI datasheet(11/25 Pages) XICOR

11 / 25 page

X28C64

ENDURANCE AND DATA RETENTION

Parameter

Min.

Units

Minimum Endurance

100,000

Cycles

Data Retention

100

Years

3853 PGM T05.1

POWER-UP TIMING

Symbol

Parameter

Typ.(1)

Units

tPUR(3)

Power-up to Read Operation

100

µs

tPUW(3)

Power-up to Write Operation

3853 PGM T06

CAPACITANCE TA = +25°C, f = 1MHz, VCC = 5V

Symbol

Parameter

Max.

Units

Test Conditions

CI/O(3)

Input/Output Capacitance

VI/O = 0V

CIN(3)

Input Capacitance

VIN = 0V

3853 PGM T07.1

A.C. CONDITIONS OF TEST

Input Pulse Levels

0V to 3V

Input Rise and

Fall Times

10ns

Input and Output

Timing Levels

1.5V

3853 PGM T08.1

MODE SELECTION

Mode

I/O

Power

Read

DOUT

Active

Write

DIN

Active

Standby and

High Z

Standby

Write Inhibit

—

Write Inhibit

—

3853 PGM T09

EQUIVALENT A.C. LOAD CIRCUIT

Note:

(3) This parameter is periodically sampled and not 100% tested.

SYMBOL TABLE

WAVEFORM

INPUTS

OUTPUTS

Must be

steady

Will be

steady

May change

from LOW

to HIGH

Will change

from LOW

to HIGH

May change

from HIGH

to LOW

Will change

from HIGH

to LOW

Don’t Care:

Changes

Allowed

Changing:

State Not

Known

N/A

Center Line

is High

Impedance

3853 FHD F20.3

1.92K

Ω

100pF

OUTPUT

1.37K

Ω

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