HomeAll CategoryComparisonat28c25615dm883_1746902-vs-at28c25620lm883_1746777-vs-at28c25625dm883_1746905

Comparison

AT28C256-15DM/883 vs AT28C256-20LM/883 vs AT28C256-25DM/883

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Mfr. Part #	AT28C256-15DM/883	AT28C256-20LM/883	AT28C256-25DM/883
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology
Description	IC EEPROM 256K PARALLEL 28CDIP	IC EEPROM 256K PARALLEL 32LCC	IC EEPROM 256K PARALLEL 28CDIP
Datasheet
RoHS
Specifications
Factory Lead Time	23 Weeks	23 Weeks	23 Weeks
Mount	Through Hole	-	Through Hole
Mounting Type	Through Hole	Surface Mount	Through Hole
Package / Case	28-CDIP (0.600, 15.24mm)	32-CLCC	28-CDIP (0.600, 15.24mm)
Number of Pins	28	-	28
Memory Types	Non-Volatile	Non-Volatile	Non-Volatile
Current - Supply (Nom)	50mA	-	50mA
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	-	-
JESD-609 Code	e0	e0	-
Part Status	Active	Active	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)
Number of Terminations	28	32	28
Terminal Finish	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	-
Voltage - Supply	5V	5V	5V
Terminal Position	DUAL	QUAD	DUAL
Number of Functions	1	1	1
Terminal Pitch	2.54mm	1.27mm	2.54mm
Frequency	150GHz	-	250GHz
Base Part Number	AT28C256	AT28C256	AT28C256
Interface	Parallel, SPI	-	Parallel, SPI
Memory Size	256Kb 32K x 8	256Kb 32K x 8	256Kb 32K x 8
Access Time	150ns	200ns	250ns
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
Density	256 kb	-	256 kb
Screening Level	MIL-STD-883 Class B	MIL-STD-883 Class C	MIL-STD-883 Class C
Programming Voltage	5V	5V	5V
Write Cycle Time-Max (tWC)	10ms	10ms	10ms
Page Size	64words	64words	-
Length	37.215mm	13.97mm	37.215mm
Height Seated (Max)	5.72mm	2.54mm	5.72mm
Width	15.24mm	11.43mm	15.24mm
Radiation Hardening	No	-	No
RoHS Status	Non-RoHS Compliant	Non-RoHS Compliant	Non-RoHS Compliant
Lead Free	Contains Lead	Contains Lead	Contains Lead
Surface Mount	-	YES	-
Pbfree Code	-	no	-
Additional Feature	-	AUTOMATIC WRITE	-
Peak Reflow Temperature (Cel)	-	225	-
Time@Peak Reflow Temperature-Max (s)	-	30	-
JESD-30 Code	-	R-CQCC-N32	-
Qualification Status	-	Not Qualified	-
Power Supplies	-	5V	-
Operating Mode	-	ASYNCHRONOUS	-
Supply Current-Max	-	0.05mA	-
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	-
Pricing(USD)
Grads Price	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	Quantity Unit Price 1+ $1257.11715 10+ $1185.95955 100+ $1118.8298 500+ $1055.4998 1000+ $995.7545
Availability	2451	2646	2938
Price	$1145.4949	$1190.77215	$1257.11715
Quantity