Microchip Technology AT28HC64BF-90TU Memory Integrated Circuit
IC EEPROM 64KBIT PARALLEL 28TSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT28HC64BF-90TU
Detailed Description
IC EEPROM 64KBIT PARALLEL 28TSOP
Package
28-TSSOP (0.465", 11.80mm Width)
Key Features
Package / Case: 28-TSSOP (0.465", 11.80mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
AT28HC64BF-90TU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT28HC64BF-90TU Memory Integrated Circuit technical specifications.
General
Memory Size
64Kb (8K x 8)
Package / Case
28-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TC)
Supply Voltage
4.5V ~ 5.5V
Lifecycle Status
Obsolete
Technology
EEPROM
Memory Type
Non-Volatile
Access Time
90 ns
Memory Format
EEPROM
Alternate Parts Comparison (AT28HC64BF-90TU vs AT28BV256-20TI vs AT28C256E-15TU vs AT28C256F-15TU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 28-TSSOP | 28-TSSOP | 28-TSSOP | 28-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) |
| Supply Voltage | 4.5V ~ 5.5V | 2.7V ~ 3.6V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Memory Size | 64Kb (8K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) |
| Access Time | 90 ns | 200 ns | 150 ns | 150 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 | 3ms |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Action |
More Parts in EEPROM
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.