DigiKey Datasheets for DRAM and SDRAM Memory Chips

Dynamic random access memory (DRAM) chips are single-transistor memory cells that use small capacitors to store each bit of memory in an addressable format that consists of rows and columns. Because capacitors are unable to hold a charge indefinitely, DRAM memory chips require a near-constant pulse of current to retain stored information.
DRAM and SDRAM Memory Chips: Learn more

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Product Name	Notes
Memory -- 256-W9812G6KB-6-ND Memory -- 256-W9812G6KB-6I-ND Memory -- 256-W9812G6KB-6ITR-ND Memory -- 256-W9812G6KB-6ITRCT-ND Memory -- 256-W9812G6KB-6ITRDKR-ND Memory -- 256-W9812G6KB-6TR-ND	IC DRAM 128MBIT LVTTL 54TFBGA
Memory -- 256-W9812G6KH-6ITRCT-ND Memory -- 256-W9812G6KH-6ITRDKR-ND	IC DRAM 128MBIT LVTTL 54TSOP II
Memory -- 256-W97AH6NBVA2I-ND	IC DRAM 1GBIT HSUL 12 134VFBGA
Memory -- 256-W9825G6KB-6I-ND Memory -- 256-W9825G6KB-6ITR-ND Memory -- 256-W9825G6KB-6ITRCT-ND Memory -- 256-W9825G6KB-6ITRDKR-ND Memory -- 256-W9825G6KB-6TR-ND	IC DRAM 256MBIT LVTTL 54TFBGA
Memory -- 256-W9825G2JB75I-ND	IC DRAM 256MBIT LVTTL 90TFBGA
Memory -- 256-W9825G6KB-6-ND	IC DRAM 256MBIT PAR 54TFBGA
Memory -- 256-W9825G6KH-5TRCT-ND Memory -- 256-W9825G6KH-5TRDKR-ND Memory -- 256-W9825G6KH-6ITRCT-ND Memory -- 256-W9825G6KH-6ITRDKR-ND Memory -- 256-W9825G6KH-6TRCT-ND Memory -- 256-W9825G6KH-6TRDKR-ND	IC DRAM 256MBIT PAR 54TSOP II
Memory -- 256-W972GG6KB-25TRCT-ND Memory -- 256-W972GG6KB-25TRDKR-ND	IC DRAM 2GBIT 84-WBGA
Memory -- 256-W972GG6KB-18TRCT-ND Memory -- 256-W972GG6KB-18TRDKR-ND	IC DRAM 2GBIT PAR 84WBGA
Memory -- 256-W989D6DBGX6ITRCT-ND Memory -- 256-W989D6DBGX6ITRDKR-ND	IC DRAM 512MBIT PAR 54VFBGA
Memory -- 256-W9864G6KT-6I-ND Memory -- 256-W9864G6KT-6ITR-ND Memory -- 256-W9864G6KT-6TR-ND	IC DRAM 64MBIT LVTTL 54TFBGA
Memory -- 256-W9864G6KH-6ITRCT-ND Memory -- 256-W9864G6KH-6ITRDKR-ND	IC DRAM 64MBIT PAR 54TSOP II
Memory -- W972GG6JB-3ITR-ND Memory -- W972GG6JB-3TR-ND	SDRAM - DDR2 Memory IC 2Gb (128M x 16) Parallel 333MHz 450ps 84-WBGA (11x13)
Memory -- 256-W972GG6KB-25TR-ND Memory -- 256-W972GG6KB25I-ND Memory -- 256-W972GG6KB25ITR-ND Memory -- W972GG6KB-25-ND	SDRAM - DDR2 Memory IC 2Gb (128M x 16) Parallel 400MHz 400ps 84-WBGA (8x12.5)
Memory -- 256-W972GG6KB-18TR-ND Memory -- W972GG6KB-18-ND	SDRAM - DDR2 Memory IC 2Gb (128M x 16) Parallel 533MHz 350ps 84-WBGA (8x12.5)
Memory -- 256-W9751G6NB-25-ND Memory -- 256-W9751G6NB-25TR-ND Memory -- 256-W9751G6NB25I-ND Memory -- 256-W9751G6NB25ITR-ND	SDRAM - DDR2 Memory IC 512Mb (32M x 16) Parallel 400MHz 400ps 84-VFBGA (8x12.5)
Memory -- W9751G6IB-25-ND Memory -- W9751G6KB-25-ND Memory -- W9751G6KB-25TR-ND Memory -- W9751G6KB25I-ND Memory -- W9751G6KB25ITR-ND	SDRAM - DDR2 Memory IC 512Mb (32M x 16) Parallel 400MHz 400ps 84-WBGA (8x12.5)
Memory -- 256-W9751G6NB-18-ND Memory -- 256-W9751G6NB-18TR-ND	SDRAM - DDR2 Memory IC 512Mb (32M x 16) Parallel 533MHz 350ps 84-VFBGA (8x12.5)
Memory -- W9751G6KB-18-ND Memory -- W9751G6KB-18TR-ND	SDRAM - DDR2 Memory IC 512Mb (32M x 16) Parallel 533MHz 350ps 84-WBGA (8x12.5)
Memory -- 256-W9751G8NB-25-ND Memory -- 256-W9751G8NB-25TR-ND Memory -- 256-W9751G8NB25I-ND Memory -- 256-W9751G8NB25ITR-ND	SDRAM - DDR2 Memory IC 512Mb (64M x 8) Parallel 400MHz 400ps 60-VFBGA (8x9.5)
Memory -- W9751G8KB-25-ND Memory -- W9751G8KB-25TR-ND Memory -- W9751G8KB25I-ND Memory -- W9751G8KB25ITR-ND	SDRAM - DDR2 Memory IC 512Mb (64M x 8) Parallel 400MHz 400ps 60-WBGA (8x12.5)
Memory -- W97AH2KBVX2E-ND Memory -- W97AH2KBVX2I-ND	SDRAM - Mobile LPDDR2 Memory IC 1Gb (32M x 32) Parallel 400MHz 134-VFBGA (10x11.5)
Memory -- 256-W978H6KBVX2ICT-ND Memory -- 256-W978H6KBVX2IDKR-ND Memory -- 256-W978H6KBVX2ITR-ND	SDRAM - Mobile LPDDR2 Memory IC 256Mb (16M x 16) HSUL_12 400MHz 134-VFBGA (10x11.5)
Memory -- W978H6KBVX2E-ND Memory -- W978H6KBVX2I-ND	SDRAM - Mobile LPDDR2 Memory IC 256Mb (16M x 16) Parallel 400MHz 134-VFBGA (10x11.5)
Memory -- W978H2KBVX2E-ND Memory -- W978H2KBVX2I-ND	SDRAM - Mobile LPDDR2 Memory IC 256Mb (8M x 32) Parallel 400MHz 134-VFBGA (10x11.5)
Memory -- W97BH2KBVX2I-ND	SDRAM - Mobile LPDDR2 Memory IC 2Gb (64M x 32) Parallel 400MHz 134-VFBGA (10x11.5)
Memory -- W979H2KBVX2E-ND Memory -- W979H2KBVX2I-ND	SDRAM - Mobile LPDDR2 Memory IC 512Mb (16M x 32) Parallel 400MHz 134-VFBGA (10x11.5)
Memory -- W979H6KBVX2E-ND Memory -- W979H6KBVX2ETR-ND Memory -- W979H6KBVX2I-ND Memory -- W979H6KBVX2ITR-ND	SDRAM - Mobile LPDDR2 Memory IC 512Mb (32M x 16) Parallel 400MHz 134-VFBGA (10x11.5)
Memory -- 256-W97AH2NBVA2E-ND Memory -- 256-W97AH2NBVA2ETR-ND Memory -- 256-W97AH2NBVA2I-ND Memory -- 256-W97AH2NBVA2ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 1Gb (32M x 32) HSUL_12 400MHz 134-VFBGA (10x11.5)
Memory -- 256-W97AH2NBVA1E-ND Memory -- 256-W97AH2NBVA1ETR-ND Memory -- 256-W97AH2NBVA1I-ND Memory -- 256-W97AH2NBVA1ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 1Gb (32M x 32) HSUL_12 533MHz 134-VFBGA (10x11.5)
Memory -- 256-W97AH6NBVA2E-ND Memory -- 256-W97AH6NBVA2ETR-ND Memory -- 256-W97AH6NBVA2ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 1Gb (64M x 16) HSUL_12 400MHz 134-VFBGA (10x11.5)
Memory -- 256-W97AH6NBVA1E-ND Memory -- 256-W97AH6NBVA1ETR-ND Memory -- 256-W97AH6NBVA1I-ND Memory -- 256-W97AH6NBVA1ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 1Gb (64M x 16) HSUL_12 533MHz 134-VFBGA (10x11.5)
Memory -- 256-W978H6KBVX2ETR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 256Mb (16M x 16) HSUL_12 400MHz 5.5ns 134-VFBGA (10x11.5)
Memory -- 256-W978H6KBVX1E-ND Memory -- 256-W978H6KBVX1ETR-ND Memory -- 256-W978H6KBVX1I-ND Memory -- 256-W978H6KBVX1ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 256Mb (16M x 16) HSUL_12 533MHz 5.5ns 134-VFBGA (10x11.5)
Memory -- 256-W978H2KBVX2ETR-ND Memory -- 256-W978H2KBVX2ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 256Mb (8M x 32) HSUL_12 400MHz 5.5ns 134-VFBGA (10x11.5)
Memory -- 256-W978H2KBVX1E-ND Memory -- 256-W978H2KBVX1ETR-ND Memory -- 256-W978H2KBVX1I-ND Memory -- 256-W978H2KBVX1ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 256Mb (8M x 32) HSUL_12 533MHz 5.5ns 134-VFBGA (10x11.5)
Memory -- 256-W97BH6MBVA2E-ND Memory -- 256-W97BH6MBVA2ETR-ND Memory -- 256-W97BH6MBVA2I-ND Memory -- 256-W97BH6MBVA2ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 2Gb (128M x 16) HSUL_12 400MHz 134-VFBGA (10x11.5)
Memory -- 256-W97BH6MBVA1E-ND Memory -- 256-W97BH6MBVA1ETR-ND Memory -- 256-W97BH6MBVA1I-ND Memory -- 256-W97BH6MBVA1ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 2Gb (128M x 16) HSUL_12 533MHz 134-VFBGA (10x11.5)
Memory -- 256-W97BH2MBVA2E-ND Memory -- 256-W97BH2MBVA2ETR-ND Memory -- 256-W97BH2MBVA2I-ND Memory -- 256-W97BH2MBVA2ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 2Gb (64M x 32) HSUL_12 400MHz 134-VFBGA (10x11.5)
Memory -- 256-W97BH2MBVA1E-ND Memory -- 256-W97BH2MBVA1ETR-ND Memory -- 256-W97BH2MBVA1I-ND Memory -- 256-W97BH2MBVA1ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 2Gb (64M x 32) HSUL_12 533MHz 134-VFBGA (10x11.5)
Memory -- 256-W979H2KBVX2ETR-ND Memory -- 256-W979H2KBVX2ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 512Mb (16M x 32) HSUL_12 400MHz 134-VFBGA (10x11.5)
Memory -- 256-W979H2KBVX1E-ND Memory -- 256-W979H2KBVX1ETR-ND Memory -- 256-W979H2KBVX1I-ND Memory -- 256-W979H2KBVX1ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 512Mb (16M x 32) HSUL_12 533MHz 134-VFBGA (10x11.5)
Memory -- 256-W979H6KBVX1E-ND Memory -- 256-W979H6KBVX1ETR-ND Memory -- 256-W979H6KBVX1I-ND Memory -- 256-W979H6KBVX1ITR-ND	SDRAM - Mobile LPDDR2-S4B Memory IC 512Mb (32M x 16) HSUL_12 533MHz 134-VFBGA (10x11.5)
Memory -- W987D2HBJX7E-ND Memory -- W987D2HBJX7ETR-ND	SDRAM - Mobile LPSDR Memory IC 128Mb (4M x 32) Parallel 133MHz 5.4ns 90-VFBGA (8x13)
Memory -- W987D2HBJX6I-ND Memory -- W987D2HBJX6ITR-ND	SDRAM - Mobile LPSDR Memory IC 128Mb (4M x 32) Parallel 166MHz 5.4ns 90-VFBGA (8x13)
Memory -- W987D6HBGX7E-ND	SDRAM - Mobile LPSDR Memory IC 128Mb (8M x 16) Parallel 133MHz 5.4ns 54-VFBGA (8x9)
Memory -- W987D6HBGX6E-ND Memory -- W987D6HBGX6ETR-ND Memory -- W987D6HBGX6I-ND Memory -- W987D6HBGX6ITR-ND	SDRAM - Mobile LPSDR Memory IC 128Mb (8M x 16) Parallel 166MHz 5.4ns 54-VFBGA (8x9)
Memory -- W988D6FBGX7E-ND Memory -- W988D6FBGX7ETR-ND	SDRAM - Mobile LPSDR Memory IC 256Mb (16M x 16) Parallel 133MHz 5.4ns 54-VFBGA (8x9)
Memory -- W988D6FBGX6E-ND Memory -- W988D6FBGX6ETR-ND Memory -- W988D6FBGX6I-ND Memory -- W988D6FBGX6ITR-ND	SDRAM - Mobile LPSDR Memory IC 256Mb (16M x 16) Parallel 166MHz 5.4ns 54-VFBGA (8x9)
Memory -- W988D2FBJX7E-ND Memory -- W988D2FBJX7ETR-ND	SDRAM - Mobile LPSDR Memory IC 256Mb (8M x 32) Parallel 133MHz 5.4ns 90-VFBGA (8x13)
Memory -- W988D2FBJX6E-ND Memory -- W988D2FBJX6ETR-ND Memory -- W988D2FBJX6I-ND Memory -- W988D2FBJX6ITR-ND	SDRAM - Mobile LPSDR Memory IC 256Mb (8M x 32) Parallel 166MHz 5.4ns 90-VFBGA (8x13)
Memory -- 256-W989D2DBJX6E-ND Memory -- 256-W989D2DBJX6ETR-ND	SDRAM - Mobile LPSDR Memory IC 512Mb (16M x 32) LVCMOS 166MHz 5ns 90-VFBGA (8x13)
Memory -- W989D2DBJX6I-ND Memory -- W989D2DBJX6ITR-ND	SDRAM - Mobile LPSDR Memory IC 512Mb (16M x 32) Parallel 166MHz 5ns 90-VFBGA (8x13)
Memory -- 256-W989D6DBGX6E-ND Memory -- 256-W989D6DBGX6ETR-ND	SDRAM - Mobile LPSDR Memory IC 512Mb (32M x 16) LVCMOS 166MHz 5ns 54-VFBGA (8x9)
Memory -- 256-W989D6DBGX6ITR-ND Memory -- W989D6DBGX6I-ND	SDRAM - Mobile LPSDR Memory IC 512Mb (32M x 16) Parallel 166MHz 5ns 54-VFBGA (8x9)
Memory -- W9812G2KB-6-ND Memory -- W9812G2KB-6I-ND Memory -- W9812G2KB-6ITR-ND Memory -- W9812G2KB-6TR-ND	SDRAM Memory IC 128Mb (4M x 32) Parallel 166MHz 5ns 90-TFBGA (8x13)
Memory -- 256-W9812G6KH-5I-ND Memory -- 256-W9812G6KH-5ITR-ND	SDRAM Memory IC 128Mb (8M x 16) LVTTL 200MHz 4.5ns 54-TSOP II
Memory -- 256-W9812G6KH-6ITR-ND Memory -- W9812G6IH-6-ND Memory -- W9812G6JH-6I-ND Memory -- W9812G6KH-6-ND Memory -- W9812G6KH-6I-ND Memory -- W9812G6KH-6TR-ND	SDRAM Memory IC 128Mb (8M x 16) Parallel 166MHz 5ns 54-TSOP II
Memory -- W9812G6JH-5-ND Memory -- W9812G6KH-5-ND Memory -- W9812G6KH-5TR-ND	SDRAM Memory IC 128Mb (8M x 16) Parallel 200MHz 4.5ns 54-TSOP II
Memory -- 256-W9816G6JH-7-ND Memory -- 256-W9816G6JH-7I-ND Memory -- 256-W9816G6JH-7ITR-ND Memory -- 256-W9816G6JH-7TR-ND	SDRAM Memory IC 16Mb (1M x 16) LVTTL 143MHz 5ns 50-TSOP II
Memory -- 256-W9816G6JB-7I-ND Memory -- 256-W9816G6JB-7ITR-ND	SDRAM Memory IC 16Mb (1M x 16) LVTTL 143MHz 5ns 60-VFBGA (6.4x10.1)
Memory -- 256-W9816G6JB-5-ND Memory -- 256-W9816G6JB-5TR-ND	SDRAM Memory IC 16Mb (1M x 16) LVTTL 200MHz 4.5ns 60-VFBGA (6.4x10.1)
Memory -- W9816G6IH-6-ND Memory -- W9816G6IH-6I-ND Memory -- W9816G6JH-6-ND Memory -- W9816G6JH-6ITR-ND Memory -- W9816G6JH-6TR-ND	SDRAM Memory IC 16Mb (1M x 16) Parallel 166MHz 5ns 50-TSOP II
Memory -- W9816G6IB-6-ND Memory -- W9816G6JB-6-ND Memory -- W9816G6JB-6I-ND Memory -- W9816G6JB-6ITR-ND Memory -- W9816G6JB-6TR-ND	SDRAM Memory IC 16Mb (1M x 16) Parallel 166MHz 5ns 60-VFBGA (6.4x10.1)
Memory -- W9816G6JH-5-ND Memory -- W9816G6JH-5TR-ND	SDRAM Memory IC 16Mb (1M x 16) Parallel 200MHz 4.5ns 50-TSOP II
Memory -- W9825G2JB-75-ND Memory -- W9825G2JB-75TR-ND	SDRAM Memory IC 256Mb (16M x 16) Parallel 133MHz 5.4ns 90-TFBGA (8x13)
Memory -- 256-W9825G6KH-6ITR-ND Memory -- 256-W9825G6KH-6TR-ND Memory -- W9825G6EH-6-ND Memory -- W9825G6JH-6I-ND Memory -- W9825G6JH-6ITR-ND Memory -- W9825G6JH-6TR-ND Memory -- W9825G6KH-6-ND Memory -- W9825G6KH-6I-ND	SDRAM Memory IC 256Mb (16M x 16) Parallel 166MHz 5ns 54-TSOP II
Memory -- W9825G2JB-6-ND Memory -- W9825G2JB-6I-ND Memory -- W9825G2JB-6ITR-ND Memory -- W9825G2JB-6TR-ND	SDRAM Memory IC 256Mb (16M x 16) Parallel 166MHz 5ns 90-TFBGA (8x13)
Memory -- 256-W9825G6KH-5TR-ND Memory -- W9825G6KH-5-ND	SDRAM Memory IC 256Mb (16M x 16) Parallel 200MHz 5ns 54-TSOP II
Memory -- 256-W9864G2JH-6I-ND Memory -- 256-W9864G2JH-6ITR-ND	SDRAM Memory IC 64Mb (2M x 32) LVTTL 166MHz 5ns 86-TSOP II
Memory -- W9864G2JH-6-ND Memory -- W9864G2JH-6TR-ND	SDRAM Memory IC 64Mb (2M x 32) Parallel 166MHz 5ns 86-TSOP II
Memory -- W9864G2JB-6-ND Memory -- W9864G2JB-6I-ND Memory -- W9864G2JB-6ITR-ND Memory -- W9864G2JB-6TR-ND	SDRAM Memory IC 64Mb (2M x 32) Parallel 166MHz 5ns 90-TFBGA (8x13)
Memory -- 256-W9864G6JT-6I-ND Memory -- 256-W9864G6JT-6ITR-ND Memory -- 256-W9864G6JT-6TR-ND	SDRAM Memory IC 64Mb (4M x 16) LVTTL 166MHz 5ns 54-TFBGA (8x8)
Memory -- 256-W9864G6JB-6I-ND Memory -- 256-W9864G6JB-6ITR-ND Memory -- 256-W9864G6JB-6TR-ND	SDRAM Memory IC 64Mb (4M x 16) LVTTL 166MHz 5ns 60-VFBGA (6.4x10.1)
Memory -- W9864G6JT-6-ND	SDRAM Memory IC 64Mb (4M x 16) Parallel 166MHz 5ns 54-TFBGA (8x8)
Memory -- 256-W9864G6KH-6ITR-ND Memory -- W9864G6IH-6-ND Memory -- W9864G6JH-6I-ND Memory -- W9864G6KH-6-ND Memory -- W9864G6KH-6I-ND Memory -- W9864G6KH-6TR-ND	SDRAM Memory IC 64Mb (4M x 16) Parallel 166MHz 5ns 54-TSOP II
Memory -- W9864G6JB-6-ND	SDRAM Memory IC 64Mb (4M x 16) Parallel 166MHz 5ns 60-VFBGA (6.4x10.1)
Memory -- W9864G6JH-5-ND Memory -- W9864G6KH-5-ND Memory -- W9864G6KH-5TR-ND	SDRAM Memory IC 64Mb (4M x 16) Parallel 200MHz 5ns 54-TSOP II

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