Microchip 256kbit EPROM 28-Pin PDIP, AT27C256R-45PU
- RS Stock No.:
- 1276557
- Mfr. Prt No.:
- AT27C256R-45PU
- 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 | 1276557 |
| Product description | Microchip 256kbit EPROM 28-Pin PDIP, AT27C256R-45PU |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | AT27C256R-45PU |
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 | 1276557 |
| Product description | Microchip 256kbit EPROM 28-Pin PDIP, AT27C256R-45PU |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | AT27C256R-45PU |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 15, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
EPROM OTP (One Time Programmable)
These EPROM (Erasable Programmable Read-Only Memory) devices contain the same chips and are programmed in the same way as their UV-eraseable counterparts. However as the package contains no window, they cannot be erased and re-programmed.
EPROM (One Time Programmable), Atmel
Specifications
| Attribute | Value |
| Brand | Microchip |
| Maximum Operating Temperature | +85 °C |
| Maximum Random Access Time | 45 ns |
| Typical Operating Supply Voltage | 5 V |
| Number of Words | 32K |
| Minimum Operating Temperature | -40 °C |
| Dimensions | 37.33 x 13.97 x 4.44 mm |
| Pin Count | 28 |
| Organisation | 32K x 8 bit |
| Mounting Type | Through Hole |
| Number of Bits per Word | 8 bit |
| Reprogramming Technique | OTP |
| Package Type | PDIP |
| Memory Size | 256 kbit |
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