| Part name | Description | Manufacturer | Package | Pins | Temp. Range | PDF datasheet |
| IDT71256S70PB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | DIP | 28 | -55°C | 125°C | IDT71256S70PB datasheet (78K) |
| IDT71256S70TDB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | CERDIP | 28 | -55°C | 125°C | IDT71256S70TDB datasheet (78K) |
| IDT71256S70YB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | SOJ | 28 | -55°C | 125°C | IDT71256S70YB datasheet (78K) |
| IDT71256S85DB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | CERDIP | 28 | -55°C | 125°C | IDT71256S85DB datasheet (78K) |
| IDT71256S85LB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | LCC | 32 | -55°C | 125°C | IDT71256S85LB datasheet (78K) |
| IDT71256S85PB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | DIP | 28 | -55°C | 125°C | IDT71256S85PB datasheet (78K) |
| IDT71256S85TDB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | CERDIP | 28 | -55°C | 125°C | IDT71256S85TDB datasheet (78K) |
| IDT71256S85YB | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | SOJ | 28 | -55°C | 125°C | IDT71256S85YB datasheet (78K) |
| IDT71256SA12P | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | DIP | 28 | 0°C | 70°C | IDT71256SA12P datasheet (61K) |
| IDT71256SA12PZ | CMOS static RAM 256K (32K x 8-bit) | Integrated Device Technology, Inc. | TSOP | 28 | 0°C | 70°C | IDT71256SA12PZ datasheet (61K) |
