SRAM Chip Async Single 5V 256K-Bit 32K x 8 70ns 28-Pin SOP T/R
The µPD43256B is a high speed, low power, and 262144 bits (32768 words by 8 bits) CMOS static RAM. Battery backup is available. And A and B versions are wide voltage operations.The µPD43256B is packed in 28-pin PLASTIC SOP and 28-pin PLASTIC TSOP (I) (8 x 13.4 mm).
- 32768 words by 8 bits organization
- Fast access time: 70, 85, 100, 120 ns (MAX.)
- Low voltage operation (A version: VCC = 3.0 to 5.5 V, B version: VCC = 2.7 to 5.5 V)
- Low VCC data retention: 2.0 V (MIN.)
- OE input for easy application
Specifications
| Brand | Renesas Electronics |
|---|---|
| Datasheet | |
| Timing Type | Asynchronous |
| Number Of Words | 32 kWords |
| Density | 256 Kb |
| Operating temperature | 0 to 70 °C |
| Pin Count | 28 |
| Number Of Ports | 1 |
| Mounting | Surface Mount |
| Address B | 15 Bit |
| Number Of | 8 Bit |
| Number Of | 8 Bit |
| Maximum O | 45 mA |
| Product description | 18 x 8.4 x 2.55 mm |
| Maximum R | 70 ns |
| Supplier | SOP |
| Typical O | 5.0000 V |
| ECCN | EAR99 |
| Schedule B | 8542320040 |
| HTSN | 8542320041 |
| Country of origin | United States |
| Minimum O | 4.5 V |
| Maximum O | 5.5 V |
| Lead Finish | Tin/Bismuth |
| Max Proce | 260 |
SKU: UPD43256BGU70LLE2A