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K9F2816Q0C-DCB0 Datasheet(PDF) 9 Page - Samsung semiconductor |
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K9F2816Q0C-DCB0 Datasheet(HTML) 9 Page - Samsung semiconductor |
9 / 33 page K9F2816U0C-YCB0,YIB0 FLASH MEMORY 9 K9F2816U0C-DCB0,DIB0 K9F2808U0C-YCB0,YIB0 K9F2808U0C-DCB0,DIB0 K9F2808Q0C-DCB0,DIB0 K9F2816Q0C-DCB0,DIB0 K9F2808U0C-VCB0,VIB0 PRODUCT INTRODUCTION The K9F28XXX0C is a 132Mbit(138,412,032 bit) memory organized as 32,768 rows(pages) by 528(X8 device) or 264(X16 device) columns. Spare eight columns are located from column address of 512~527(X8 device) or 256~263(X16 device). A 528-byte(X8 device) or 264-word(X16 device) data register is connected to memory cell arrays accommodating data transfer between the I/O buffers and memory during page read and page program operations. The memory array is made up of 16 cells that are serially con- nected to form a NAND structure. Each of the 16 cells resides in a different page. A block consists of two NAND structures. A NAND structure consists of 16 cells. Total 16896 NAND cells reside in a block. The array organization is shown in Figure 2-1,2-2. The pro- gram and read operations are executed on a page basis, while the erase operation is executed on a block basis. The memory array consists of 1024 separately erasable 16K-Byte(X8 device) or 8K-Word(X16 device) blocks. It indicates that the bit by bit erase oper- ation is prohibited on the K9F28XXX0C. The K9F28XXX0C has addresses multiplexed into 8 I/Os(X16 device case : lower 8 I/Os). K9F2816X0C allows sixteen bit wide data transport into and out of page registers. This scheme dramatically reduces pin counts while providing high performance and allows systems upgrades to future densities by maintaining consistency in system board design. Command, address and data are all written through I/O’s by bringing WE to low while CE is low. Data is latched on the rising edge of WE. Command Latch Enable(CLE) and Address Latch Enable(ALE) are used to multiplex command and address respectively, via the I/O pins. Some commands require one bus cycle. For example, Reset command, Read command, Status Read command, etc require just one cycle bus. Some other com- mands like Page Program and Copy-back Program and Block Erase, require two cycles: one cycle for setup and the other cycle for execution. The 16K-byte(X8 device) or 32K-word(X16 device) physical space requires 24 addresses, thereby requiring three cycles for word-level addressing: column address, low row address and high row address, in that order. Page Read and Page Program need the same three address cycles following the required command input. In Block Erase operation, however, only the two row address cycles are used. Device operations are selected by writing specific commands into the command register. Table 1 defines the specific commands of the K9F28XXX0C. The device includes one block sized OTP(One Time Programmable), which can be used to increase system security or to provide identification capabilities. Detailed information can be obtained by contact with Samsung. Table 1. COMMAND SETS NOTE: 1. The 00h command defines starting address of the 1st half of registers. The 01h command defines starting address of the 2nd half of registers. After data access on 2nd half of register by the 01h command, start pointer is automatically moved to 1st half register(00h) on the next cycle. Function 1st. Cycle 2nd. Cycle Acceptable Command during Busy Read 1 00h/01h(1) - Read 2 50h - Read ID 90h - Reset FFh - O Page Program 80h 10h Block Erase 60h D0h Read Status 70h - O Caution : Any undefined command inputs are prohibited except for above command set of Table 1. |
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