Integrated Circuits (ICs) > Memory > EEPROM > AT27C256R-70PU

AT27C256R-70PU

Microchip

Part Number:	AT27C256R-70PU
Manufacturer:	Microchip
Part Type:	Integrated Circuits (ICs) > Memory > EEPROM > AT27C256R-70PU
Qty Available:
Description:	Memory OTP EEPROM, 256Kb, 32K x 8, 5Vcc, -40°C to +85°C, 28-PDIP, RoHS

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04/22/2026 – There are 515 pieces pieces of Part Number AT27C256R-70PU Available.

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Memory OTP EEPROM, 256Kb, 32K x 8, 5Vcc, -40°C to +85°C, 28-PDIP, RoHS

Specifications

TYPE	DESCRIPTION
Case/Package	PDIP
Contact Plating	Tin
Mount	Through Hole
Number of Pins	28
Access Time	70 ns
Density	256 kb
Frequency	70 GHz
Interface	Parallel
Max Operating Temperature	85 °C
Max Supply Voltage	5.5 V
Memory Size	32 kB
Memory Type	EEPROM, EPROM, EPROMs, OTP
Min Operating Temperature	-40 °C
Min Supply Voltage	4.5 V
Nominal Supply Current	20 mA
Operating Supply Voltage	5 V
Schedule B	8542310000
Voltage	7 V
Height	3.94 mm
Length	37.34 mm
Width	14.4 mm
Case/Package	PDIP
Contact Plating	Tin
Mount	Through Hole
Number of Pins	28
Access Time	70 ns
Density	256 kb
Frequency	70 GHz
Interface	Parallel
Max Operating Temperature	85 °C
Max Supply Voltage	5.5 V
Memory Size	32 kB
Memory Type	EEPROM, EPROM, EPROMs, OTP
Min Operating Temperature	-40 °C
Min Supply Voltage	4.5 V
Nominal Supply Current	20 mA
Operating Supply Voltage	5 V
Schedule B	8542310000
Voltage	7 V
Height	3.94 mm
Length	37.34 mm
Width	14.4 mm
Case/Package	PDIP
Contact Plating	Tin
Mount	Through Hole
Number of Pins	28
Access Time	70 ns
Density	256 kb
Frequency	70 GHz
Interface	Parallel
Max Operating Temperature	85 °C
Max Supply Voltage	5.5 V
Memory Size	32 kB
Memory Type	EEPROM, EPROM, EPROMs, OTP
Min Operating Temperature	-40 °C
Min Supply Voltage	4.5 V
Nominal Supply Current	20 mA
Operating Supply Voltage	5 V
Schedule B	8542310000
Voltage	7 V
Height	3.94 mm
Length	37.34 mm
Width	14.4 mm

Images

Documentation for Microchip AT27C256R-70PU

Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet
Datasheet	View & Download AT27C256R-70PU Datasheet

Alternate Descriptions

Descriptions of Microchip AT27C256R-70PU provided by its distributors.
Memory OTP EEPROM, 256Kb, 32K x 8, 5Vcc, -40°C to +85°C, 28-PDIP, RoHS
AT27C256R Series 5.5 V 256 Kb (32 K x 8) 70 ns Through Hole EPROM OTP - PDIP-28
EPROM - One Time Programmable - 70 ns - 256Kbit (32K x 8) - 4.5 V to 5.5 V - 32-Pin PDIP - Tube
IC, EPROM 256K, 4.5-5.5V, 27C256; Memory Size: 256Kbit; EPROM Memory Configuration: 32K x 8bit; No. of Pins: 28Pins; Memory Case Style: DIP; Supply Voltage Min: 4.5V; Supply Voltage Max: 5.5V; Operating Temperature Min: -40°C;
Memory Size KB = 256 / Organisation = 32 k x 8 Bit / Interfaces = Parallel / Access Time ns = 70 / Supply Current uA = 100 / Supply Voltage Min. V = 4.5 / Supply Voltage Max. V = 5.5 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 85 / Package Type = PDIP / Pins = 28 / Mounting Type = Through Hole / Packaging = Tube / Length mm = 37.3 / Width mm = 14.4 / Height mm = 3.94
Descriptions of Microchip AT27C256R-70PU provided by its distributors.
Memory OTP EEPROM, 256Kb, 32K x 8, 5Vcc, -40°C to +85°C, 28-PDIP, RoHS
AT27C256R Series 5.5 V 256 Kb (32 K x 8) 70 ns Through Hole EPROM OTP - PDIP-28
EPROM - One Time Programmable - 70 ns - 256Kbit (32K x 8) - 4.5 V to 5.5 V - 32-Pin PDIP - Tube
IC, EPROM 256K, 4.5-5.5V, 27C256; Memory Size: 256Kbit; EPROM Memory Configuration: 32K x 8bit; No. of Pins: 28Pins; Memory Case Style: DIP; Supply Voltage Min: 4.5V; Supply Voltage Max: 5.5V; Operating Temperature Min: -40°C;
Memory Size KB = 256 / Organisation = 32 k x 8 Bit / Interfaces = Parallel / Access Time ns = 70 / Supply Current uA = 100 / Supply Voltage Min. V = 4.5 / Supply Voltage Max. V = 5.5 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 85 / Package Type = PDIP / Pins = 28 / Mounting Type = Through Hole / Packaging = Tube / Length mm = 37.3 / Width mm = 14.4 / Height mm = 3.94
Descriptions of Microchip AT27C256R-70PU provided by its distributors.
Memory OTP EEPROM, 256Kb, 32K x 8, 5Vcc, -40°C to +85°C, 28-PDIP, RoHS
AT27C256R Series 5.5 V 256 Kb (32 K x 8) 70 ns Through Hole EPROM OTP - PDIP-28
EPROM - One Time Programmable - 70 ns - 256Kbit (32K x 8) - 4.5 V to 5.5 V - 32-Pin PDIP - Tube
IC, EPROM 256K, 4.5-5.5V, 27C256; Memory Size: 256Kbit; EPROM Memory Configuration: 32K x 8bit; No. of Pins: 28Pins; Memory Case Style: DIP; Supply Voltage Min: 4.5V; Supply Voltage Max: 5.5V; Operating Temperature Min: -40°C;
Memory Size KB = 256 / Organisation = 32 k x 8 Bit / Interfaces = Parallel / Access Time ns = 70 / Supply Current uA = 100 / Supply Voltage Min. V = 4.5 / Supply Voltage Max. V = 5.5 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 85 / Package Type = PDIP / Pins = 28 / Mounting Type = Through Hole / Packaging = Tube / Length mm = 37.3 / Width mm = 14.4 / Height mm = 3.94

AT27C256R-70PU

Microchip

Specifications

Images

Documentation for Microchip AT27C256R-70PU

Alternate Descriptions

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