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| Replacement Part Number | Repl. Mfr | Description | Reference Type |
|---|---|---|---|
| bq4011 Cross Reference | Texas Instruments | 32Kx8 Nonvolatile SRAM | Pin-to-Pin Replacement |
| DS1230 Cross Reference | Dallas | 256k Nonvolatile SRAM | Pin-to-Pin Replacement |
| M48Z35 Cross Reference | STMicroelectronics | 256 Kbit (32Kb x8) ZEROPOWER® SRAM | Pin-to-Pin Replacement |
| M48Z35AY Cross Reference | STMicroelectronics | 256 Kbit (32Kb x8) ZEROPOWER® SRAM | Pin-to-Pin Replacement |
| M48Z35Y Cross Reference | STMicroelectronics | 256 Kbit (32Kb x8) ZEROPOWER® SRAM | Pin-to-Pin Replacement |
There are 5 cross reference alternative products totally about U637256D : 5 Pin-to-Pin Replacement , Replacement Manufacturers include : Texas Instruments Cross Reference Dallas Cross Reference STMicroelectronics Cross Reference