AT28C256 256K EEPROM Memory

Microchip AT28C256 256K EEPROM Memory devices are high-performance, Electrically Erasable, and Programmable Read-only Memory (EEPROM). The EEPROM 256K of memory is organized as 32,768 words by 8-bits. These devices are manufactured with Atmel's advanced non-volatile CMOS technology, offering 150ns access time with 440mW power dissipation. The AT28C256 memory devices are accessed like static RAM for reading or writing cycles without needing external components. These AT28C256 devices contain a 64-byte page register to allow writing up to 64 bytes. The EEPROM devices utilize an internal error correction for extended endurance and improved data retention. 

Results: 65
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Memory Size Interface Type Maximum Clock Frequency Organisation Package/Case Access Time Supply Voltage - Min Supply Voltage - Max Mounting Style Data Retention Minimum Operating Temperature Maximum Operating Temperature Series Packaging

Microchip Technology EEPROM 150NS, SOIC, IND TEMP, GREEN 1.644In Stock
Cut Tape
Rp229.875,38
Rp228.958,08
Rp210.245,16
Rp209.511,32
Reel
Rp199.787,94
Min.: 1
Mult.: 1
: 1.000
256 kbit Parallel 5 MHz 32 k x 8 SOIC-28 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Reel, Cut Tape, MouseReel

Microchip Technology EEPROM 150NS, PLCC, IND TEMP, GREEN 99In Stock
Cut Tape
Rp224.921,96
Rp224.738,50
Rp224.555,04
Rp223.637,74
Reel
Rp199.787,94
Min.: 1
Mult.: 1
: 750
256 kbit Parallel 5 MHz 32 k x 8 PLCC-32 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 256K 11MIL GRIND - 150NS
This product may require additional documentation to export from the United States.
1In Stock
Rp4.741.890,62
Rp4.564.301,34
Min.: 1
Mult.: 1
No
256 kbit Parallel 32 k x 8 CDIP-28 150 ns 4.5 V 5.5 V Through Hole 10 Year - 55 C + 125 C AT28C256 Tube
Microchip Technology EEPROM 256K 32K x 8 150 ns 4.5V-5.5V 1.196In Stock
Rp227.123,48
Rp218.684,32
Rp210.061,70
Min.: 1
Mult.: 1
256 kbit Parallel 5 MHz 32 k x 8 PDIP-28 150 ns 4.5 V 5.5 V Through Hole 10 Year - 40 C + 85 C AT28C256 Tube

Microchip Technology EEPROM 150NS, SOIC, IND TEMP, GREEN 486In Stock
Cut Tape
Rp240.882,98
Rp222.170,06
Rp221.436,22
Rp220.518,92
Reel
Rp208.043,64
Min.: 1
Mult.: 1
: 1.000
256 kbit Parallel 5 MHz 32 k x 8 SOIC-28 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Reel, Cut Tape

Microchip Technology EEPROM 256K 32K x 8 150 ns 4.5V-5.5V 21In Stock
64Expected 19/02/2027
Rp222.720,44
Rp214.281,28
Rp206.025,58
Min.: 1
Mult.: 1
256 kbit Parallel 5 MHz 32 k x 8 PLCC-32 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Tube

Microchip Technology EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP 54In Stock
96Expected 10/11/2026
Rp223.270,82
Rp218.867,78
Rp218.684,32
Rp211.712,84
Min.: 1
Mult.: 1
256 kbit Parallel 5 MHz 32 k x 8 PLCC-32 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Tube

Microchip Technology EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP 67In Stock
Rp223.637,74
Rp219.234,70
Rp213.180,52
Rp212.079,76
Min.: 1
Mult.: 1
256 kbit Parallel 5 MHz 32 k x 8 SOIC-28 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Tube

Microchip Technology EEPROM 256K FAST PROG SDP- 150NS IND TEMP 52In Stock
Rp237.947,62
Rp229.325,00
Rp219.968,54
Min.: 1
Mult.: 1
256 kbit Parallel 5 MHz 32 k x 8 PLCC-32 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Tube
Microchip Technology EEPROM 256K 11MIL GRIND - 200NS
This product may require additional documentation to export from the United States.
1In Stock
Rp4.630.530,40
Rp4.456.793,78
Min.: 1
Mult.: 1
256 kbit Parallel 32 k x 8 CDIP-28 200 ns 4.5 V 5.5 V Through Hole 10 Year - 55 C + 125 C AT28C256 Tube
Microchip Technology EEPROM 256K FAST PROG SDP - 150NS
This product may require additional documentation to export from the United States.
25In Stock
Rp4.574.391,64
Rp4.402.856,54
Min.: 1
Mult.: 1
256 kbit Parallel 32 k x 8 LCC-32 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 55 C + 125 C AT28C256 Tube

Microchip Technology EEPROM 256K 11MIL GRIND 150NS IND TEMP
557Expected 07/12/2026
Rp218.500,86
Rp210.245,16
Rp204.190,98
Rp203.824,06
Min.: 1
Mult.: 1
256 kbit Parallel 5 MHz 32 k x 8 SOIC-28 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Tube
Microchip Technology EEPROM 256K 11MIL GRIND - 150NS
This product may require additional documentation to export from the United States.
54On Order
Rp4.033.184,64
Rp3.952.645,70
Rp3.952.462,24
Min.: 1
Mult.: 1
256 kbit Parallel 5 MHz 32 k x 8 LCC-32 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 55 C + 125 C AT28C256 Tube

Microchip Technology EEPROM 150NS, PLCC, IND TEMP, GREEN Non-Stocked Lead-Time 8 Weeks
Reel
Rp222.720,44
Min.: 750
Mult.: 750
: 750
256 kbit Parallel 32 k x 8 PLCC-32 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Reel

Microchip Technology EEPROM 256K FAST PROG SDP- 150NS IND TEMP Non-Stocked Lead-Time 8 Weeks
Rp217.400,10
Rp217.033,18
Rp216.299,34
Min.: 81
Mult.: 27
256 kbit Parallel 32 k x 8 SOIC-28 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Tube

Microchip Technology EEPROM 150NS, PLCC, IND TEMP, GREEN Non-Stocked Lead-Time 8 Weeks
Reel
Rp208.043,64
Min.: 750
Mult.: 750
: 750
256 kbit Parallel 32 k x 8 PLCC-32 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Reel

Microchip Technology EEPROM 150NS, SOIC, IND TEMP, GREEN Non-Stocked Lead-Time 12 Weeks
Reel
Rp214.831,66
Min.: 1.000
Mult.: 1.000
: 1.000
256 kbit Parallel 32 k x 8 SOIC-28 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 40 C + 85 C AT28C256 Reel
Microchip Technology EEPROM 256K 11MIL GRIND - 150NS PGA 883C
This product may require additional documentation to export from the United States.
Non-Stocked Lead-Time 23 Weeks
Rp6.292.311,08
Min.: 20
Mult.: 20
256 kbit Parallel 32 k x 8 PGA-28 150 ns 4.5 V 5.5 V SMD/SMT 10 Year - 55 C + 125 C AT28C256 Bulk
Microchip / Microsemi EEPROM 256K 11MIL GRIND - 250NS 883C
This product may require additional documentation to export from the United States.
Non-Stocked Lead-Time 23 Weeks
Rp4.347.818,54
Rp4.184.722,60
Min.: 1
Mult.: 1
256 kbit Parallel 32 k x 8 CDIP-28 150 ns 4.5 V 5.5 V Through Hole 10 Year - 55 C + 125 C AT28C256 Tube

Microchip Technology EEPROM 150NS CERDIP
This product may require additional documentation to export from the United States.
Non-Stocked Lead-Time 23 Weeks
Rp4.850.682,40
Rp4.741.890,62
Rp4.564.301,34
Min.: 1
Mult.: 1
256 kbit Parallel 5 MHz 32 k x 8 DIP-28 150 ns 4.5 V 5.5 V Through Hole 10 Year - 55 C + 125 C AT28C256 Tube

Microchip Technology EEPROM 200NS CERDIP
This product may require additional documentation to export from the United States.
Non-Stocked Lead-Time 23 Weeks
Rp4.630.530,40
Rp4.456.793,78
Min.: 14
Mult.: 14
256 kbit Parallel 5 MHz 32 k x 8 DIP-28 200 ns 4.5 V 5.5 V Through Hole 10 Year - 55 C + 125 C AT28C256 Tube

Microchip Technology EEPROM 250NS CERDIP
This product may require additional documentation to export from the United States.
Non-Stocked Lead-Time 23 Weeks
Rp4.347.818,54
Rp4.184.722,60
Min.: 14
Mult.: 14
256 kbit Parallel 5 MHz 32 k x 8 DIP-28 250 ns 4.5 V 5.5 V Through Hole 10 Year - 55 C + 125 C AT28C256 Tube
Microchip Technology EEPROM 256K HI-ENDURANCE SDP- 150NS 883C
This product may require additional documentation to export from the United States.
Non-Stocked Lead-Time 23 Weeks
Rp5.020.933,28
Rp4.832.519,86
Min.: 14
Mult.: 14
256 kbit Parallel 5 MHz 32 k x 8 CDIP-28 150 ns 4.5 V 5.5 V Through Hole 10 Year - 55 C + 125 C AT28C256 Tube
Microchip Technology EEPROM 150NS, FLATPACK, 883C; LEV B COMPLIANT
This product may require additional documentation to export from the United States.
Non-Stocked Lead-Time 23 Weeks
Rp4.347.818,54
Rp4.253.887,02
Min.: 15
Mult.: 15
FlatPack-28 AT28C256 Tube
Microchip Technology EEPROM 150NS, LCC, 883C; LEV B COMPLIANT
This product may require additional documentation to export from the United States.
Non-Stocked Lead-Time 23 Weeks
Rp4.139.407,98
Min.: 34
Mult.: 34
LCC-32 AT28C256 Tube