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M12S64322A-7BG Datasheet(PDF) 1 Page - Elite Semiconductor Memory Technology Inc. |
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M12S64322A-7BG Datasheet(HTML) 1 Page - Elite Semiconductor Memory Technology Inc. |
1 / 46 page ESMT M12S64322A Elite Semiconductor Memory Technology Inc. Publication Date: Mar. 2009 Revision: 1.1 1/46 SDRAM 512K x 32 Bit x 4 Banks Synchronous DRAM FEATURES JEDEC standard 2.5V power supply LVTTL compatible with multiplexed address Four banks operation MRS cycle with address key programs - CAS Latency ( 2 & 3 ) - Burst Length ( 1, 2, 4, 8 & full page ) - Burst Type ( Sequential & Interleave ) All inputs are sampled at the positive going edge of the system clock DQM for masking Auto & self refresh 15.6μs refresh interval ORDERING INFORMATION Product No. MAX FREQ. PACKAGE COMMENTS M12S64322A-6TG 166MHz TSOPII Pb-free M12S64322A-7TG 143MHz TSOPII Pb-free M12S64322A-6BG 166MHz 90BGA Pb-free M12S64322A-7BG 143MHz 90BGA Pb-free GENERAL DESCRIPTION The M12S64322A is 67,108,864 bits synchronous high data rate Dynamic RAM organized as 4 x 524,288 words by 32 bits. Synchronous design allows precise cycle control with the use of system clock I/O transactions are possible on every clock cycle. Range of operating frequencies, programmable burst length and programmable latencies allow the same device to be useful for a variety of high bandwidth, high performance memory system applications. PIN ARRANGEMENT Top View 1 2 3 4 5 6 7 8 9 VDD DQ0 VDD Q DQ1 DQ2 V SS Q DQ3 DQ4 VDD Q 86 85 84 83 82 81 80 79 78 66 65 64 63 62 61 60 59 58 VSS DQ 1 5 V SS Q DQ 1 4 DQ 1 3 VDD Q DQ 1 2 DQ 1 1 V SS Q 10 11 12 13 14 15 16 17 18 19 20 DQ5 DQ6 VSS Q DQ7 NC VDD DQ M 0 W E CA S RA S C S 77 76 75 74 73 72 71 70 69 68 67 DQ 10 DQ9 VDD Q DQ8 NC VSS DQ M 1 NC NC CL K CK E NC DQ 3 1 VDD Q DQ 3 0 DQ 2 9 V SS Q DQ 2 8 DQ 2 7 VDD Q DQ 2 6 DQ 2 5 V SS Q DQ 2 4 VSS 21 22 23 24 25 26 27 28 29 N C BA0 BA1 A10/AP A0 A1 A2 DQ M 2 VDD 30 31 32 33 34 35 36 37 38 39 N C DQ 16 V SS Q DQ 17 DQ 18 VDD Q DQ 19 DQ 20 V SS Q DQ 21 DQ 22 40 41 42 43 VDD Q DQ 23 VDD A9 A8 A7 A6 A5 A4 A3 DQ M 3 VSS 57 56 55 54 53 52 51 50 49 48 47 46 45 44 8 6 Pi n TSOP ( II ) ( 400m i l x 875 mi l ) ( 0 .5 m m P i n pi tc h) |
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