128Mb: x4, x8, x16 SDRAM Features SDR SDRAM MT48LC32M4A2 8 Meg x 4 x 4 Banks MT48LC16M8A2 4 Meg x 8 x 4 Banks MT48LC8M16A2 2 Meg x 16 x 4 Banks Options Marking Features 2 Plastic package OCPL PC100- and PC133-compliant 54-pin TSOP II (400 mil) TG Fully synchronous all signals registered on positive 54-pin TSOP II (400 mil) Pb-free P edge of system clock 1 60-ball FBGA (8mm x 16mm) FB Internal, pipelined operation column address can 1 60-ball FBGA (8mm x 16mm) Pb-free BB be changed every clock cycle 54-ball VFBGA (x16 only) (8mm x F4 Internal banks for hiding row access/precharge 8mm) Programmable burst lengths (BL): 1, 2, 4, 8, or full 54-ball VFBGA (x16 only) (8mm x B4 page 8mm) Pb-free Auto precharge, includes concurrent auto precharge Timing cycle time and auto refresh modes 3 7.5ns CL = 3 (PC133) -75 Self refresh modes: Standard and low power 7.5ns CL = 2 (PC133) -7E (not available on AT devices) 6.0ns CL = 3 (x16 only) -6A Auto Refresh Self refresh 64ms, 4096-cycle refresh (commercial and Standard None industrial) 3 Low power L 16ms, 4096-cycle refresh (automotive) Revision :G/:L LVTTL-compatible inputs and outputs Operating temperature range Single 3.3V 0.3V power supply Commercial (0C to +70C) None Industrial (40C to +85C) IT Options Marking 1 Automotive (40C to +105C) AT Configurations 1 32 Meg x 4 (8 Meg x 4 x 4 banks) 32M4 1. Contact Micron for availability. Notes: 16 Meg x 8 (4 Meg x 8 x 4 banks) 16M8 2. Off-center parting line. 8 Meg x 16 (2 Meg x 16 x 4 banks) 8M16 3. Only available on Revision G. t Write recovery ( WR) t WR = 2 CLK A2 Table 1: Key Timing Parameters CL = CAS (READ) latency Clock t t t t Speed Grade Frequency (MHz) Target RCD- RP-CL RCD (ns) RP (ns) CL (ns) -6A 167 3-3-3 18 18 18 -75 133 3-3-3 20 20 20 -7E 133 2-2-2 15 15 15 PDF: 09005aef8091e66d Micron Technology, Inc. reserves the right to change products or specifications without notice. 1 128mb x4x8x16 sdram.pdf - Rev. R 10/12 EN 1999 Micron Technology, Inc. All rights reserved. Products and specifications discussed herein are subject to change by Micron without notice.128Mb: x4, x8, x16 SDRAM Features Table 2: Address Table Parameter 32 Meg x 4 16 Meg x 8 8 Meg x 16 Configuration 8 Meg x 4 x 4 banks 4 Meg x 8 x 4 banks 2 Meg x 16 x 4 banks Refresh count 4K 4K 4K Row addressing 4K A 11:0 4K A 11:0 4K A 11:0 Bank addressing 4 BA 1:0 4 BA 1:0 4 BA 1:0 Column addressing 2K A 9:0 , A11 1K A 9:0 512 A 8:0 Table 3: 128Mb SDR Part Numbering Part Numbers Architecture MT48LC32M4A2TG 32 Meg x 4 MT48LC32M4A2P 32 Meg x 4 MT48LC16M8A2TG 16 Meg x 8 MT48LC16M8A2P 16 Meg x 8 MT48LC16M8A2FB 16 Meg x 8 MT48LC16M8A2BB 16 Meg x 8 MT48LC8M16A2TG 8 Meg x 16 MT48LC8M16A2P 8 Meg x 16 MT48LC8M16A2B4 8 Meg x 16 MT48LC8M16A2F4 16 Meg x 16 Note: 1. FBGA Device Decoder: www.micron.com/decoder PDF: 09005aef8091e66d Micron Technology, Inc. reserves the right to change products or specifications without notice. 2 128mb x4x8x16 sdram.pdf - Rev. R 10/12 EN 1999 Micron Technology, Inc. All rights reserved.