Microchip Technology AT28HC64B-70SA Memory Integrated Circuit
IC EEPROM 64KBIT PARALLEL 28SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT28HC64B-70SA
Detailed Description
IC EEPROM 64KBIT PARALLEL 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
Obsolete
RoHS State
RoHS Compliant
Datasheet
AT28HC64B-70SA Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT28HC64B-70SA Memory Integrated Circuit technical specifications.
General
Memory Size
64Kb (8K x 8)
Package / Case
28-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TC)
Supply Voltage
4.5V ~ 5.5V
Lifecycle Status
Obsolete
Technology
EEPROM
Memory Type
Non-Volatile
Access Time
70 ns
Memory Format
EEPROM
Related Parts Comparison (AT28HC64B-70SA vs AT28C64B-15SU vs AT28HC256E-90SU vs AT28HC64BF-12SU-T)
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 ~ 125°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) |
| Supply Voltage | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Memory Size | 64Kb (8K x 8) | 64Kb (8K x 8) | 256Kb (32K x 8) | 64Kb (8K x 8) |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Access Time | 70 ns | 150 ns | 90 ns | 120 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 | 10ms |
| Action |
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