
For Reference Only
Part Number | AT28HC256-70SU |
OEMstron Part # | AT28HC256-70SU |
Manufacturer | Microchip Technology |
Category | Semiconductors › Memory ICs › Memory |
Description | IC EEPROM 256K PARALLEL 28SOIC |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | AT28HC256-70SU PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 18 - Mar 23 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
AT28HC256-70SU Specifications
Part Number | AT28HC256-70SU | |
Brand | Microchip Technology | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Memory ICs | |
Subcategory | Memory | |
Manufacturer | Microchip Technology | |
Series | - | |
Memory Type | Non-Volatile | |
Memory Format | EEPROM | |
Technology | EEPROM | |
Memory Size | 256Kb (32K x 8) | |
Memory Interface | Parallel | |
Clock Frequency | - | |
Write Cycle Time - Word, Page | 10ms | |
Access Time | 70ns | |
Voltage - Supply | 4.5V ~ 5.5V | |
Operating Temperature | -40°C ~ 85°C (TC) | |
Mounting Type | Surface Mount | |
Package / Case | 28-SOIC (0.295", 7.50mm Width) | |
Supplier Device Package | 28-SOIC |
AT28HC256-70SU Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
AT28HC256-70SU D# E54:1762_01129348 Microchip Technology Inc |
EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC W Tube RoHS: Compliant
|
Europe - 27 |
AT28HC256-70SU-T D# V72:2272_17076592 Microchip Technology Inc |
EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC W T/R RoHS: Compliant
|
Americas - 131 |
Part Number | Description | Stock |
AT28HC256-70SU D# AT28HC256-70SU Microchip Technology Inc |
EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC - Rail/Tube (Alt: AT28HC256-70SU) RoHS: Compliant
|
Americas - 0 |
AT28HC256-70SU-T D# AT28HC256-70SU-T Microchip Technology Inc |
High-Speed Parallel EEPROM 256K-bit 32K x 8 70ns 80mA 28-Pin SOIC T/R - Tape and Reel (Alt: AT28HC256-70SU-T) RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
AT28HC256-70SU D# AT28HC256-70SU Microchip Technology Inc |
EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC (Alt: AT28HC256-70SU) |
Europe - 81 |
Part Number | Description | Stock |
AT28HC256-70SU Atmel Corporation |
4 |
Part Number | Description | Stock |
AT28HC256-70SU Atmel Corporation |
- Rail/Tube |
124 |
Part Number | Description | Stock |
AT28HC256-70SU-T D# AT28HC256-70SU-TTR-ND Microchip Technology Inc |
IC EEPROM 256KBIT PAR 28SOIC |
Temporarily Out of Stock |
AT28HC256-70SU D# AT28HC256-70SU-ND Microchip Technology Inc |
IC EEPROM 256KBIT PAR 28SOIC |
44 In Stock |
Part Number | Description | Stock |
AT28HC25670SU D# AT28HC25670SU Atmel Corporation |
Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct |
2518 |
Part Number | Description | Stock |
AT28HC256-70SU Microchip Technology Inc |
In stock shipping within 2days |
191 |
Part Number | Description | Stock |
AT28HC256-70SU-T D# 3592118 Microchip Technology Inc |
EEPROM IC RoHS: Compliant
Min Qty: 1000
Container: Reel
|
0 |
AT28HC256-70SU D# 2839779 Microchip Technology Inc |
PARALLEL EEPROM, 256KBIT, WSOIC-28 RoHS: Compliant
Min Qty: 54
Container: Each
|
0 |
Part Number | Description | Stock |
AT28HC256-70SU Microchip Technology Inc |
. RoHS: Contact Manufacturer
pbFree: Yes
|
0 Tube |
Part Number | Description | Stock |
AT28HC25670SU |
OEM/CM QUOTES ONLY | NO BROKERS |
5750 |
Part Number | Description | Stock |
AT28HC25670SUT Microchip Technology Inc |
OEM/CM ONLY |
1100 |
Part Number | Description | Stock |
AT28HC256-70SU-T Microchip Technology Inc |
RoHS: Not Compliant
|
0 |
Part Number | Description | Stock |
AT28HC256-70SU-T D# AT28HC256-70SU-T Microchip Technology Inc |
70NS SOIC IND TEMP GREEN RoHS: Compliant
pbFree: Yes
|
1000 - Alternates Available |
AT28HC256-70SU D# AT28HC256-70SU Microchip Technology Inc |
70NS SOIC IND TEMP GREEN RoHS: Compliant
pbFree: Yes
|
1080 - Alternates Available |
Part Number | Description | Stock |
AT28HC256-70SU-T D# 556-AT28HC256-70SU-T Microchip Technology Inc |
EEPROM 70NS, SOIC, IND TEMP, GREEN RoHS: Compliant
|
140 |
AT28HC256-70SU D# 556-AT28HC256-70SU Microchip Technology Inc |
EEPROM 256K 5V SDP 70NS IND TEMP RoHS: Compliant
|
86 |
Part Number | Description | Stock |
AT28HC256-70SU Microchip Technology Inc |
70NS, SOIC, IND TEMP, GREEN - Package: 28 SOIC .300in TUBE RoHS: Compliant
|
0 in Stock 0 on Order |
AT28HC256-70SU-T Microchip Technology Inc |
70NS, SOIC, IND TEMP, GREEN - Package: 28 SOIC .300in T/R RoHS: Compliant
|
0 in Stock 0 on Order |
Part Number | Description | Stock |
AT28HC256-70SU-T D# MCHP00000003931 Microchip Technology Inc |
70NS, SOIC, IND TEMP, GREEN - Package: 28 SOIC .300in T/R |
0 |
AT28HC256-70SU D# MCHP00000003930 Microchip Technology Inc |
70NS, SOIC, IND TEMP, GREEN - Package: 28 SOIC .300in TUBE |
0 |
Part Number | Description | Stock |
AT28HC256-70SU. D# 18AC1408 Atmel Corporation |
Memory Interface Type:Parallel, Memory Size:256Kbit, EEPROM Memory Configuration:32K x 8bit, Clock Frequency:5MHz, Memory Case Style:WSOIC, No. of Pins:28Pins, Supply Voltage Min:4.5V, Supply Voltage Max:5.5V, MSL:-, Access Time:70nsRoHS Compliant: Yes RoHS: Compliant
Min Qty: 81
Container: Bulk
|
0 |
Part Number | Description | Stock |
AT28HC256-70SU D# NS-AT28HC256-70SU Atmel Corporation |
OEM/CM ONLY |
9238 |
Part Number | Description | Stock |
AT28HC256-70SU-T Microchip Technology Inc |
RoHS: Not Compliant
|
0 |
Part Number | Description | Stock |
AT28HC256-70SU Atmel Corporation |
3 |
Part Number | Description | Stock |
AT28HC25670SU Atmel Corporation |
OEM/CM ONLY |
813 |
Part Number | Description | Stock |
AT28HC256-70SU D# 23471891 Microchip Technology Inc |
EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC W Tube RoHS: Compliant
|
Americas - 27 |
AT28HC256-70SU-T D# 25816908 Microchip Technology Inc |
EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC W T/R RoHS: Compliant
|
Americas - 131 |
Part Number | Description | Stock |
AT28HC25670SU Atmel Corporation |
RFQ |
13404 |
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Quick Inquiry
In Stock | 539 - More on Order |
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Quote Limit | No Limit |
Lead-Time | Can Ship Immediately |
Minimum | 1 |
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Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 15.6294 | $ 15.6294 |
100 | $ 15.6294 | $ 1,562.9400 |
500 | $ 15.6294 | $ 7,814.7000 |
1000 | $ 15.6294 | $ 15,629.4000 |
2500 | $ 15.6294 | $ 39,073.5000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
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