M27C256B-45XN3TR Similar

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M27C256B-45XN3TR Datasheet and M27C256B-45XN3TR manual

Manufacturer : ST Microelectronics 

Packing : TSOP 

Pins : 28 

Temperature : Min -40 °C | Max 125 °C

Size : 117 KB

Application : 256 Kbit (32Kb x 8) EPROM, 5V, 45ns 

M27C256B-45XN3TR PDF Download