Microchip 256 kB EPROM 28-Pin PDIP, AT27C256R-70PU

Bulk discount available

Subtotal (1 pack of 5 units)*

SGD20.94

(exc. GST)

SGD22.825

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • Plus 90 unit(s) shipping from 02 February 2026
  • Plus 645 unit(s) shipping from 09 February 2026
  • Plus 345 unit(s) shipping from 12 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
5 - 20SGD4.188SGD20.94
25 - 95SGD4.102SGD20.51
100 +SGD4.018SGD20.09

*price indicative

Packaging Options:
RS Stock No.:
127-6559
Distrelec Article No.:
304-29-089
Mfr. Part No.:
AT27C256R-70PU
Manufacturer:
Microchip
Find similar products by selecting one or more attributes.
Select all

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

Maximum Supply Voltage

5.5V

Pin Count

28

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Width

13.9 mm

Standards/Approvals

No

Height

4.8mm

Length

37.3mm

Automotive Standard

No

Supply Current

100μA

Number of Words

32k

Number of Bits per Word

8

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.

Related links