Skip to main content

Microchip Technology AT27C256R-70PU Microcontrollers

IC EPROM 256KBIT PARALLEL 28DIP

2,272 ActiveMicrochip TechnologyAT27C28-DIP (0.600", 15.24mm)$13.36
AT27C256R-70PU - No Image Available

Same model may have multiple batches, images only for reference.

AT27C256R-70PU
Part Number (MPN)
AT27C256R-70PU
Base Model
Detailed Description
IC EPROM 256KBIT PARALLEL 28DIP
Package
28-DIP (0.600", 15.24mm)
Lifecycle Status
Active
Datasheet
PDF AT27C256R-70PU Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Ordering Code Family

AT27C groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

6 ordering variants listed on the family page.

View all variants

Technical Specifications

Microchip Technology AT27C256R-70PU Microcontrollers technical specifications.

General

Interface
Parallel
Memory Size
256Kb (32K x 8)
RoHS
Compliant
Number of Pins
28
Package / Case
28-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TC)
Supply Voltage
4.5V ~ 5.5V
Lifecycle Status
Active
Technology
EPROM - OTP

Alternate Parts Comparison (AT27C256R-70PU vs AT27C516-55JC vs AT27C516-70JC vs AT27C256R-90TC)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case28-DIP44-LCC44-LCC28-TSSOP
Mounting TypeThrough HoleSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TC)0°C ~ 70°C (TC)0°C ~ 70°C (TC)0°C ~ 70°C (TC)
Supply Voltage4.5V ~ 5.5V4.5V ~ 5.5V4.5V ~ 5.5V4.5V ~ 5.5V
Memory Size256Kb (32K x 8)512Kb (32K x 16)512Kb (32K x 16)256Kb (32K x 8)
Access Time70 ns55 ns70 ns90 ns
Memory FormatEPROMEPROMEPROMEPROM
Memory InterfaceParallelParallelParallelParallel
Memory TypeNon-VolatileNon-VolatileNon-VolatileNon-Volatile
TechnologyEPROM - OTPEPROM - OTPEPROM - OTPEPROM - OTP
Action

More Parts in Microcontrollers

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.