Microchip 256 kB EPROM 28-Pin PDIP

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Subtotal 25 units (supplied in a tube)*

$106.45

(exc. GST)

$117.10

(inc. GST)

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In Stock
  • 220 unit(s) ready to ship from another location
  • Plus 340 unit(s) shipping from 05 March 2026
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Units
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25 - 95$4.258
100 +$4.208

*price indicative

Packaging Options:
RS Stock No.:
127-6559P
Mfr. Part No.:
AT27C256R-70PU
Brand:
Microchip
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Brand

Microchip

Memory Size

256kB

Product Type

EPROM

Organisation

32K x 8 Bit

Interface Type

Parallel

Maximum Random Access Time

70ns

Reprogramming Technique

OTP

In System Programmability

No

Mount Type

Through Hole

Minimum Supply Voltage

4.5V

Package Type

PDIP

Pin Count

28

Maximum Supply Voltage

5.5V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Standards/Approvals

No

Length

37.3mm

Height

4.8mm

Width

13.9 mm

Supply Current

100μA

Number of Words

32k

Number of Bits per Word

8

Automotive Standard

No

EPROM (One Time Programmable), Atmel


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.

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