Microchip Technology AT27C256R-45JU Microcontrollers
IC EPROM 256KBIT PARALLEL 32PLCC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT27C256R-45JU
Base Model
Detailed Description
IC EPROM 256KBIT PARALLEL 32PLCC
Package
32-LCC (J-Lead)
Lifecycle Status
Active
Datasheet
AT27C256R-45JU Datasheet
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Technical Specifications
Microchip Technology AT27C256R-45JU Microcontrollers technical specifications.
General
Interface
Parallel
Memory Size
256Kbit
RoHS
Compliant
Number of Pins
32
Package / Case
32-LCC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TC)
Supply Voltage
4.5V ~ 5.5V
Lifecycle Status
Active
Technology
EPROM - OTP
Related Parts Comparison (AT27C256R-45JU vs AT27C516-55JC vs AT27C516-70JC vs AT27C256R-90TC)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 32-LCC | 44-LCC | 44-LCC | 28-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TC) | 0°C ~ 70°C (TC) | 0°C ~ 70°C (TC) | 0°C ~ 70°C (TC) |
| Supply Voltage | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Memory Size | 256Kbit | 512Kb (32K x 16) | 512Kb (32K x 16) | 256Kb (32K x 8) |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Access Time | 45 ns | 55 ns | 70 ns | 90 ns |
| Memory Format | EPROM | EPROM | EPROM | EPROM |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Technology | EPROM - OTP | EPROM - OTP | EPROM - OTP | EPROM - OTP |
| Action |
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