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Mfr. Part # AT28C256-25DM/883

AT28C256-20FM/883

Manufacturer Microchip TechnologyMicrochip Technology
Description

IC EEPROM 256K PARALLEL 28CDIP

IC EEPROM 256K PARALLEL 28FLATPK

Datasheet
RoHS
Specifications

Factory Lead Time

23 Weeks

23 Weeks

Mount

Through Hole

-

Mounting Type

Through Hole

Surface Mount

Package / Case

28-CDIP (0.600, 15.24mm)

28-CFlatPack

Number of Pins

28

-

Memory Types

Non-Volatile

Non-Volatile

Current - Supply (Nom)

50mA

-

Usage Level

Military grade

Military grade

Operating Temperature

-55°C~125°C TC

-55°C~125°C TC

Packaging

Tube

Tube

Part Status

Active

Active

Moisture Sensitivity Level (MSL)

1 (Unlimited)

3 (168 Hours)

Number of Terminations

28

28

Voltage - Supply

5V

5V

Terminal Position

DUAL

DUAL

Number of Functions

1

1

Terminal Pitch

2.54mm

1.27mm

Frequency

250GHz

-

Base Part Number

AT28C256

AT28C256

Interface

Parallel, SPI

-

Memory Size

256Kb 32K x 8

256Kb 32K x 8

Access Time

250ns

200ns

Memory Format

EEPROM

EEPROM

Memory Interface

Parallel

Parallel

Organization

32KX8

32KX8

Memory Width

8

8

Write Cycle Time - Word, Page

10ms

10ms

Density

256 kb

-

Screening Level

MIL-STD-883 Class C

MIL-STD-883 Class C

Programming Voltage

5V

5V

Write Cycle Time-Max (tWC)

10ms

10ms

Length

37.215mm

18.285mm

Height Seated (Max)

5.72mm

3.02mm

Width

15.24mm

10.16mm

Radiation Hardening

No

-

RoHS Status

Non-RoHS Compliant

Non-RoHS Compliant

Lead Free

Contains Lead

Contains Lead

Surface Mount

-

YES

Published

-

1997

JESD-609 Code

-

e0

Pbfree Code

-

no

Terminal Finish

-

TIN LEAD

Additional Feature

-

AUTOMATIC WRITE

Peak Reflow Temperature (Cel)

-

240

Time@Peak Reflow Temperature-Max (s)

-

30

JESD-30 Code

-

R-CDFP-F28

Qualification Status

-

Not Qualified

Power Supplies

-

5V

Operating Mode

-

ASYNCHRONOUS

Output Characteristics

-

3-STATE

Standby Current-Max

-

0.0003A

Memory Density

-

262144 bit

Endurance

-

10000 Write/Erase Cycles

Data Polling

-

YES

Toggle Bit

-

YES

Voltage - Supply (Max)

-

5.5V

Voltage - Supply (Min)

-

4.5V

Command User Interface

-

NO

Page Size

-

64words

Pricing(USD)
Grads Price

Quantity

Unit Price

1+

$1257.11715

10+

$1185.95955

100+

$1118.8298

500+

$1055.4998

1000+

$995.7545

Quantity

Unit Price

1+

$1186.45825

10+

$1119.3002

100+

$1055.9436

500+

$996.1732

1000+

$939.78605

Availability

2938

2938

Price

$1257.11715

$1186.45825

Quantity

In Stock : 2938