| Part name | Description | Manufacturer | Package | Pins | Temp. Range | PDF datasheet |
| IDT71256S45Y | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | SOJ | 28 | 0°C | 70°C | IDT71256S45Y datasheet (78K) |
| IDT71256S45Y | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | SOJ | 28 | 0°C | 70°C | IDT71256S45Y datasheet (78K) |
| IDT71256S45YB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | SOJ | 28 | -55°C | 125°C | IDT71256S45YB datasheet (78K) |
| IDT71256S55DB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | CERDIP | 28 | -55°C | 125°C | IDT71256S55DB datasheet (78K) |
| IDT71256S55LB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | LCC | 32 | -55°C | 125°C | IDT71256S55LB datasheet (78K) |
| IDT71256S55PB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | DIP | 28 | -55°C | 125°C | IDT71256S55PB datasheet (78K) |
| IDT71256S55TDB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | CERDIP | 28 | -55°C | 125°C | IDT71256S55TDB datasheet (78K) |
| IDT71256S55YB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | SOJ | 28 | -55°C | 125°C | IDT71256S55YB datasheet (78K) |
| IDT71256S70DB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | CERDIP | 28 | -55°C | 125°C | IDT71256S70DB datasheet (78K) |
| IDT71256S70LB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | LCC | 32 | -55°C | 125°C | IDT71256S70LB datasheet (78K) |
