KMM372V404BS

DRAM MODULE KMM372V404BS KMM372V404BS Fast Page Mode 4M x 72 DRAM DIMM with ECC Using 4Mx16 & 4Mx4 , 4K Refresh, 3.3V GENERAL DESCRIPTION The Samsung KMM372V404B is a 4Mx72bits Dynamic RAM high density memory module. The Samsung KMM372V404B consists of four 4Mx16bits & two 4Mx4bits CMOS DRAMs in TSOP-II 400mil packages and two 16 bits driver IC in TSSOP package mounted on a 168-pin glass-epoxy substrate. A 0.1 or 0.22uF decoupling capacitor is mounted on the printed circuit board for each DRAM. The KMM372V404B is a Dual Inline Memory Module and is intended for mounting into 168 pin edge connector sockets. FEATURES Part Identification KMM372V404BS(4096cycles/64ms Ref. TSOP ll) Fast Page Mode Operation CAS-before-RAS Refresh capability RAS-only and Hidden refresh capability LVTTL compatible inputs and outputs Single 3.3V±0.3V power supply JEDEC standard pinout & Buffered PDpin Buffered input except RAS and DQ PERFORMANCE RANGE Speed -5 -6 tRAC 50ns 60ns tCAC 18ns 20ns tRC 90ns 110ns tPC 35ns 40ns PCB : Height(1000mil), single sided component PIN CONFIGURATIONS Pin Front Pin Front Pin Front Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 VSS DQ0 DQ1 DQ2 DQ3 VCC DQ4 DQ5 DQ6 DQ7 DQ8 VSS DQ9 DQ10 DQ11 DQ12 DQ13 VCC DQ14 DQ15 DQ16 DQ17 VSS RSVD RSVD VCC W0 CAS0 29 *CAS2 57 30 RAS0 58 31 OE0 59 60 VSS 32 61 A0 33 62 A2 34 63 A4 35 64 A6 36 65 A8 37 66 A10 38 67 A12 39 68 VCC 40 41 RFU 69 42 RFU 70 71 VSS 43 44 OE2 72 45 RAS...