Microchip Technology AT28HC256E-90SU Memory Integrated Circuit
IC EEPROM 256KBIT PAR 28SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT28HC256E-90SU
Detailed Description
IC EEPROM 256KBIT PAR 28SOIC
Package
28-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 28-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
AT28HC256E-90SU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT28HC256E-90SU Memory Integrated Circuit technical specifications.
General
Interface
Parallel
Memory Size
256Kb (32K x 8)
RoHS
Compliant
Number of Pins
28
Package / Case
28-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TC)
Supply Voltage
4.5V ~ 5.5V
Lifecycle Status
Active
Technology
EEPROM
Related Parts Comparison (AT28HC256E-90SU vs AT28HC64B-70SA vs AT28HC256-12SI vs AT28C64X-20SC)
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 | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TC) | -40°C ~ 125°C (TC) | -40°C ~ 85°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 | 256Kb (32K x 8) | 64Kb (8K x 8) | 256Kb (32K x 8) | 64Kb (8K x 8) |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Access Time | 90 ns | 70 ns | 120 ns | 200 ns |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Technology | EEPROM | EEPROM | EEPROM | EEPROM |
| Write Cycle Time Word Page | 10ms | 10ms | 10ms | 1ms |
| Action |
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