GSF32-16x16/90
32 MByte SIMM FLASH
MEMORY MODULE
TENTATIVE DATA
80 PINS JEDEC 21-C package
FAST ACCESS TIME: 90ns
5V
鹵
10% single power supply operation
BYTE PROGRAMMING TIME: 10碌s typical
ERASE TIME
鈥?Sector: 1.0 sec typical
鈥?Bulk: 32 sec typical
PROGRAM/ERASE CONTROLLER (P/E.C.)
鈥?Program Byte-by-Byte
鈥?Data Polling and Toggle Protocol for P/E.C.
Status
MEMORY ERASE in SECTORS
鈥?32 Sectors of 64K Bytes each
鈥?Sector Protection
鈥?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
DQ0-DQ31
CE0-CE3
OE
WE0-WE3
PD1-PD4
PD5-PD7
VCC-VSS
Address Inputs
Data Input / Outputs
Chip Enable
Output Enable
Write Enable
Presence & Module Type Detect
Module Speed Detect
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 de-
tailed informations about the chip performances).
The devices are mounted on a Jedec 21-C stand-
ardized 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.
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