Microchip AT28C256-15PU, 256kbit Parallel EEPROM Memory, 150ns 28-Pin PDIP Serial-2 Wire
- RS Stock No.:
- 1276570
- Mfr. Prt No.:
- AT28C256-15PU
- Brand:
- Microchip
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 1276570 |
| Product description | Microchip AT28C256-15PU, 256kbit Parallel EEPROM Memory, 150ns 28-Pin PDIP Serial-2 Wire |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | AT28C256-15PU |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 1276570 |
| Product description | Microchip AT28C256-15PU, 256kbit Parallel EEPROM Memory, 150ns 28-Pin PDIP Serial-2 Wire |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | AT28C256-15PU |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Dec 26, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
EEPROM (E²PROM) memory is non-volatile RAM that has individual byte addressing for data write, unlike Flash which has to be written/erased in blocks . It does have a limited life in terms of number of write cycles and tends to be used for program storage that is infrequently changed.
Electrically Erasable PROM Parallel Access, Microchip
Specifications
| Attribute | Value |
| Brand | Microchip |
| Data Retention | 10 yr |
| Interface Type | Serial-2 Wire |
| Number of Words | 32K |
| Minimum Operating Temperature | -40 °C |
| Dimensions | 37.33 x 13.97 x 4.44 mm |
| Minimum Operating Supply Voltage | 4.5 V |
| Pin Count | 28 |
| Organisation | 32K x 8 bit |
| Mounting Type | Through Hole |
| Number of Bits per Word | 8 bit |
| Package Type | PDIP |
| Memory Size | 256 kbit |
| Maximum Operating Temperature | +85 °C |
| Maximum Random Access Time | 150 ns |
| Maximum Operating Supply Voltage | 5.5 V |
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