Microchip 256 kB EPROM 28-Pin PDIP, AT27C256R-45PU

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Subtotal (1 pack of 5 units)*

SGD20.23

(exc. GST)

SGD22.05

(inc. GST)

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  • Plus 1,865 unit(s) shipping from 09 February 2026
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Per Pack*
5 - 20SGD4.046SGD20.23
25 - 95SGD3.926SGD19.63
100 +SGD3.81SGD19.05

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Packaging Options:
RS Stock No.:
127-6557
Distrelec Article No.:
304-30-571
Mfr. Part No.:
AT27C256R-45PU
Manufacturer:
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

45ns

Reprogramming Technique

OTP

In System Programmability

No

Mount Type

Through Hole

Package Type

PDIP

Minimum Supply Voltage

4.5V

Maximum Supply Voltage

5.5V

Pin Count

28

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Length

37.3mm

Standards/Approvals

No

Width

13.9 mm

Height

4.8mm

Supply Current

100μA

Number of Bits per Word

8

Automotive Standard

No

Number of Words

32k

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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