Winbond Electronics Corporation W631GU8KB
The W631GU8KB is a 1G bits DDR3L SDRAM, organized as 16,777,216 words 8 banks 8 bits. This device achieves high speed transfer rates up to 1866 Mb/sec/pin (DDR3L-1866) for various applications. The W631GU8KB is sorted into the following speed grades: -11, -12, 12I, -15 and 15I.
| Part No. |
W631GU8KB |
| Datasheet |
W631GU8KB
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| Manufacturer |
 Winbond Electronics Corporation |
| Description |
16M x 8-BANKS x 8-BIT DDR3L SDRAM |
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GENERAL DESCRIPTION
The W631GU8KB is a 1G bits DDR3L SDRAM, organized as 16,777,216 words 8 banks 8 bits. The -11 speed grade is compliant to the DDR3L-1866 (13-13-13) specification. The -12 and 12I speed grades are compliant to the DDR3L-1600 (11-11-11) specification (the 12I industrial grade which is guaranteed to support -40°C ≤ TCASE ≤ 95°C). The -15 and 15I speed grades are compliant to the DDR3L-1333 (9-9-9) specification (the 15I industrial grade which is guaranteed to support -40°C ≤ TCASE ≤ 95°C). The W631GU8KB is designed to comply with the following key DDR3L SDRAM features such as posted CAS#, programmable CAS# Write Latency (CWL), ZQ calibration, on die termination and asynchronous reset. All of the control and address inputs are synchronized with a pair of externally supplied differential clocks. Inputs are latched at the cross point of differential clocks (CK rising and CK# falling). All I/Os are synchronized with a differential DQS-DQS# pair in a source synchronous fashion.
