STMicroelectronics M27C256B-45XF1 Memory Integrated Circuit
EPROM - UV Memory IC 256Kbit Parallel 45 ns 28-CDIP Frit Seal with Window
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
M27C256B-45XF1
Detailed Description
IC EPROM 256KBIT PARALLEL 28CDIP
Package
28-CDIP (0.600", 15.24mm) Window
Key Features
Package / Case: 28-CDIP (0.600", 15.24mm) Window; Mounting Type: Through Hole
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
M27C256B-45XF1 Datasheet
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Technical Specifications
STMicroelectronics M27C256B-45XF1 Memory Integrated Circuit technical specifications.
General
Memory Size
256Kb (32K x 8)
RoHS
Yes
Package / Case
28-CDIP
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
4.75V ~ 5.25V
Lifecycle Status
Obsolete
Technology
EPROM - UV
Memory Type
Non-Volatile
Access Time
45 ns
Related Parts Comparison (M27C256B-45XF1 vs M27C512-12F1 vs M27C512-90F6 vs M27C512-15F1)
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-CDIP | 28-CDIP | 28-CDIP | 28-CDIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 4.75V ~ 5.25V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Memory Size | 256Kb (32K x 8) | 512Kb (64K x 8) | 512Kb (64K x 8) | 512Kb (64K x 8) |
| RoHS | Yes | Compliant with Exemption | Yes | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Access Time | 45 ns | 120 ns | 90 ns | 150 ns |
| Memory Format | EPROM | EPROM | EPROM | EPROM |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Memory Organization | 32K x 8 | 64K x 8 | 64K x 8 | 64K x 8 |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Action |
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