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*The following are the basic parameters of the product, involving the characteristics of the product and its category
| TYPE | DESCRIPTION | 
|---|---|
| Part Status | Active | 
| RoHS Status | ROHS3 Compliant | 
| Mounting Type | Surface Mount | 
| Mount | Surface Mount | 
| Pbfree Code | yes | 
| Radiation Hardening | No | 
| Lead Free | Lead Free | 
| Contact Plating | Tin | 
| Operating Supply Voltage | 5V | 
| Voltage | 5V | 
| Packaging | Tube | 
| REACH SVHC | No SVHC | 
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
| Factory Lead Time | 7 Weeks | 
| Number of Pins | 32 | 
| Memory Interface | Parallel | 
| Nominal Supply Current | 20mA | 
| Height | 2.79mm | 
| Voltage – Supply | 4.5V~5.5V | 
| Published | 1997 | 
| Memory Type | Non-Volatile | 
| Operating Supply Current | 100μA | 
| Access Time | 70ns | 
| Memory Format | EPROM | 
| Operating Temperature | -40°C~85°C TC | 
| Memory Size | 256Kb 32K x 8 | 
| Package / Case | 32-LCC (J-Lead) | 
| Density | 256 kb | 
| Technology | EPROM – OTP | 
| Length | 14.1mm | 
| Width | 11.51mm | 
| Frequency | 70GHz | 
| Base Part Number | AT27C256 | 
*The following components have specifications similar
*The following five components have specifications similar