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HomeAll CategoryComparisonat28hc25690dm883_1733119-vs-at28c25615dm883_1746902-vs-at28c25620lm883_1746777

Comparison

AT28HC256-90DM/883 vs AT28C256-15DM/883 vs AT28C256-20LM/883
Mfr. Part # AT28HC256-90DM/883

AT28C256-15DM/883

AT28C256-20LM/883

Manufacturer Microchip TechnologyMicrochip TechnologyMicrochip Technology
Description

IC EEPROM 256K PARALLEL 28CDIP

IC EEPROM 256K PARALLEL 28CDIP

IC EEPROM 256K PARALLEL 32LCC

Datasheet
RoHS
Specifications

Factory Lead Time

23 Weeks

23 Weeks

23 Weeks

Mounting Type

Through Hole

Through Hole

Surface Mount

Package / Case

28-CDIP (0.600, 15.24mm)

28-CDIP (0.600, 15.24mm)

32-CLCC

Surface Mount

NO

-

YES

Memory Types

Non-Volatile

Non-Volatile

Non-Volatile

Usage Level

Military grade

Military grade

Military grade

Operating Temperature

-55°C~125°C TC

-55°C~125°C TC

-55°C~125°C TC

Packaging

Tube

Tube

Tube

Published

1997

1997

-

JESD-609 Code

e0

e0

e0

Part Status

Active

Active

Active

Moisture Sensitivity Level (MSL)

1 (Unlimited)

1 (Unlimited)

3 (168 Hours)

Number of Terminations

28

28

32

ECCN Code

3A001.A.2.C

-

-

Terminal Finish

TIN/LEAD (SN/PB)

Tin/Lead (Sn/Pb)

Tin/Lead (Sn/Pb)

Additional Feature

AUTOMATIC WRITE

-

AUTOMATIC WRITE

HTS Code

8542.32.00.51

-

-

Voltage - Supply

5V

5V

5V

Terminal Position

DUAL

DUAL

QUAD

Peak Reflow Temperature (Cel)

NOT SPECIFIED

-

225

Number of Functions

1

1

1

Terminal Pitch

2.54mm

2.54mm

1.27mm

Time@Peak Reflow Temperature-Max (s)

NOT SPECIFIED

-

30

Base Part Number

AT28HC256

AT28C256

AT28C256

JESD-30 Code

R-GDIP-T28

-

R-CQCC-N32

Qualification Status

Not Qualified

-

Not Qualified

Memory Size

256Kb 32K x 8

256Kb 32K x 8

256Kb 32K x 8

Operating Mode

ASYNCHRONOUS

-

ASYNCHRONOUS

Access Time

90ns

150ns

200ns

Memory Format

EEPROM

EEPROM

EEPROM

Memory Interface

Parallel

Parallel

Parallel

Organization

32KX8

32KX8

32KX8

Memory Width

8

8

8

Write Cycle Time - Word, Page

10ms

10ms

10ms

Memory Density

262144 bit

-

262144 bit

Screening Level

MIL-STD-883 Class C

MIL-STD-883 Class B

MIL-STD-883 Class C

Programming Voltage

5V

5V

5V

Write Cycle Time-Max (tWC)

10ms

10ms

10ms

Voltage - Supply (Max)

5.5V

-

5.5V

Voltage - Supply (Min)

4.5V

-

4.5V

Length

37.215mm

37.215mm

13.97mm

Height Seated (Max)

5.72mm

5.72mm

2.54mm

Width

15.24mm

15.24mm

11.43mm

RoHS Status

Non-RoHS Compliant

Non-RoHS Compliant

Non-RoHS Compliant

Lead Free

Contains Lead

Contains Lead

Contains Lead

Mount

-

Through Hole

-

Number of Pins

-

28

-

Current - Supply (Nom)

-

50mA

-

Frequency

-

150GHz

-

Interface

-

Parallel, SPI

-

Density

-

256 kb

-

Page Size

-

64words

64words

Radiation Hardening

-

No

-

Pbfree Code

-

-

no

Power Supplies

-

-

5V

Supply Current-Max

-

-

0.05mA

Output Characteristics

-

-

3-STATE

Standby Current-Max

-

-

0.0003A

Endurance

-

-

10000 Write/Erase Cycles

Data Polling

-

-

YES

Toggle Bit

-

-

YES

Command User Interface

-

-

NO

Pricing(USD)
Grads Price

Quantity

Unit Price

1+

$1389.1632

10+

$1310.5313

100+

$1236.3503

500+

$1166.3682

1000+

$1100.34735

Quantity

Unit Price

1+

$1145.4949

10+

$1080.6556

100+

$1019.4864

500+

$961.7796

1000+

$907.33925

Quantity

Unit Price

1+

$1190.77215

10+

$1123.36995

100+

$1059.78295

500+

$999.79525

1000+

$943.20305

Availability

2210

2451

2646

Price

$1389.1632

$1145.4949

$1190.77215

Quantity

In Stock : 2210