GSF32-16x16/90 32 MByte SIMM FLASH MEMORY MODULE TENTATIVE DATA 80 PINS JEDEC 21-C package FAST ACCESS TIME: 90ns 5V ± 10% single power supply operation BYTE PROGRAMMING TIME: 10µs typical ERASE TIME – Sector: 1.0 sec typical – Bulk: 32 sec typical PROGRAM/ERASE CONTROLLER (P/E.C.) – Program Byte-by-Byte – Data Polling and Toggle Protocol for P/E.C. Status MEMORY ERASE in SECTORS – 32 Sectors of 64K Bytes each – Sector Protection – Multisector Erase ERASE SUSPEND and RESUME MODES 100,000 PROGRAM/ERASE CYCLES per SECTOR DEPOPULATED VERSIONS AVAILABLE: 16 Mbyte => GSF16-8x16/90 8 Mbyte => GSF8-4x16/90 Table 1. Signal Names A0-A20 Address Inputs DQ0-DQ31 Data Input / Outputs CE0-CE3 Chip Enable OE Output Enable WE0-WE3 Write Enable PD1-PD4 Presence & Module Type Detect PD5-PD7 Module Speed Detect VCC-VSS Power Supply - Ground DESCRIPTION The GSF32-16x16/90 is a 32 Mbyte SIMM memory module built around 16 x 29F016 FLASH memory chips (please see relevant data sheet for all detailed informations about the chip performances). The devices are mounted on a Jedec 21-C standardized SIMM printed circuit. Organisation Figure 1 shows the block diagram. The FLASH module is organized as 16 x 2M x 8 bits with address lines A0-A20 and Data Inputs/Outputs DQ0 to 7, DQ8 to 15, DQ16 to 23 and DQ24 to 31. Memory control is provided by 4 Chip Enable (CE0, 29 October 1997 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. 1/4 GSF32-16x16/90 Fig. 1. Block diagram BANK 1 BANK 2 CE1 CE0 CE BANK 3 CE2 CE BANK 4 CE3 CE CE DQ24 - DQ31 DQ0-7 DQ0-7 WE3 WE OE Addr CE WE OE Addr CE DQ0-7 WE OE Addr CE DQ0-7 WE OE Addr CE DQ16 - DQ23 DQ0-7 WE2 WE OE Addr CE DQ0-7 WE OE Addr CE DQ0-7 WE OE Addr CE DQ0-7 WE OE Addr CE DQ8 - DQ15 DQ0-7 WE1 WE OE Addr CE DQ0-7 WE OE Addr CE DQ0-7 WE OE Addr CE DQ0-7 WE OE Addr CE DQ0 - DQ7 DQ0-7 WE0 WE OE Addr DQ0-7 WE OE Addr DQ0-7 WE OE Addr DQ0-7 WE OE Addr A0 - A20 OE 1,2,3) inputs used to address the 4 memory banks and by 4 Write Enable inputs used to select through the four DQ0-7, DQ8-15, DQ16-23, DQ24-31 groups. An Output Enable input is used to read the stored data. Erase and Program Functions are performed through the internal Program/Erase Controller (P/E.C.). Configuration & speed pins PD1-PD4 pins are used by the SIMM module to inform the motherboard about its relevant configuration while PD5 to PD7 are used to inform about the speed of the chips used. As the module allocates 32Mbyte memory, using 90 ns chips, configuration is the following: PD1 : Vss PD2 : Vss PD3 : Vss PD4 : Vss PD5 : Vss PD6 : Vss PD7 : Vss 2/4 OTHER CONFIGURATIONS The 32 Mbyte module can be also depopulated in order to achieve 16 M and 8 Mbyte configurations. Part numbers are as follows: 16MByte : GSF16-8x16/70 8 Mbyte : GSF8-4x16/90 Depopulation consists in removing banks 3 and 4 to achieve the 16 M and also bank 2 to achieve the 8 Mbyte configuration. Configuration pins PD1 to PD4 becomes as follows: 16 MByte: PD1 : Open PD2 : Vss PD3 : Vss PD4 : Vss 8 Mbyte: PD1 : Vss PD2 : Open PD3 : Vss PD4 : Vss GSF32-16x16/90 Figure 2. Mechanical dimensions 118 111.35 COMPONENTS AREA 10.16 31 3.175 3.90 6.35 3.175 1 40 41 80 1.27 2.0 1.27 R 1.6 0.25 2.54 3.18 Table 1. Pin configuration Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Name VSS VCC Pin 71 OE WE0 WE1 NC DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DQ24 DQ25 DQ26 DQ27 DQ28 Pin 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Name CE3 CE2 CE1 CE0 VSS DQ29 DQ30 DQ31 WE2 NC NC A20 A19 A18 A17 A16 A15 A14 A13 A12 Pin 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Name A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 WE3 VSS DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 Pin 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Name DQ9 DQ8 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 Pin 3 VCC PD1 PD2 PD3 PD4 PD5 PD6 PD7 VSS 3/4 GSF32-16x16/90 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. © 1997 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 4/4