| Part Numbers | Manufacturer Name | Datasheet | Format - Memory | Memory Type | Memory Size | Speed | Interface | Voltage - Supply | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|
| 23K640-E/SN | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 64K (8K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-SOIC (0.154", 3.90mm Width) | |
| 23K640T-E/SN | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 64K (8K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-SOIC (0.154", 3.90mm Width) | |
| 23K640-E/ST | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 64K (8K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-TSSOP (0.173", 4.40mm Width) | |
| 23K640T-E/ST | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 64K (8K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-TSSOP (0.173", 4.40mm Width) | |
| 23K640-E/P | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 64K (8K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-DIP (0.300", 7.62mm) | |
| 23K256-E/SN | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 256K (32K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-SOIC (0.154", 3.90mm Width) | |
| 23K256T-E/SN | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 256K (32K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-SOIC (0.154", 3.90mm Width) | |
| 23K256-E/P | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 256K (32K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-DIP (0.300", 7.62mm) | |
| 23K256-E/ST | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 256K (32K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-TSSOP (0.173", 4.40mm Width) | |
| 23K256T-E/ST | MICROCHIP TECHNOLOGY INC | RAM | SRAM | 256K (32K x 8) | 20MHz | SPI Serial | 2.7 V ~ 3.6 V | -40?C ~ 125?C | 8-TSSOP (0.173", 4.40mm Width) |
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