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參數(shù)資料
型號(hào)： HY27US16121M
廠商： Hynix Semiconductor Inc.
英文描述： 512Mbit (64Mx8bit / 32Mx16bit) NAND Flash
中文描述： 512兆（64Mx8bit / 32Mx16bit）NAND閃存
文件頁(yè)數(shù)： 12/43頁(yè)
文件大小： 729K
代理商： HY27US16121M
Rev 0.6 / Oct. 2004
12
HY27SS(08/16)121M Series
HY27US(08/16)121M Series
512Mbit (64Mx8bit / 32Mx16bit) NAND Flash
COMMAND SET
All bus write operations to the device are interpreted by the Command Interface. The Commands are input on I/O
0
-I/
O
7
and are latched on the rising edge of Write Enable when the Command Latch Enable signal is high. Device opera-
tions are selected by writing specific commands to the Command Register. The two-step command sequences for pro-
gram and erase operations are imposed to maximize data security.
The Commands are summarized in Table 5, Commands.
Table 5: Command Set
Note: (1). Any undefined command sequence will be ignored by the device.
(2). Bus Write Operation(1
st
, 2
nd
and 3
rd
Cycle) : The bus cycles are only shown for issuing the codes. The cycles required to
input the addresses or input/output data are not shown.
DEVICE OPERATIONS
Pointer Operations
As the NAND Flash memories contain two different areas for x16 devices and three different areas for x8 devices (see
Figure 8) the read command codes (00h, 01h, 50h) are used to act as pointers to the different areas of the memory
array (they select the most significant column address).
The Read A and Read B commands act as pointers to the main memory area. Their use depends on the bus width of
the device.
- In x16 devices the Read A command (00h) sets the pointer to Area A (the whole of the main area) that is Words 0
to 255.
- In x8 devices the Read A command (00h) sets the pointer to Area A (the first half of the main area) that is Bytes 0
to 255, and the Read B command (01h) sets the pointer to Area B (the second half of the main area) that is Bytes 256
to 511.
In both the x8 and x16 devices the Read C command (50h), acts as a pointer to Area C (the spare memory area) that
is Bytes 512 to 527 or Words 256 to 263.
Once the Read A and Read C commands have been issued the pointer remains in the respective areas until another
FUNCTION
1st CYCLE
2nd CYCLE
3rd CYCLE
Command accepted during busy
READ A
00h
-
-
READ B
01h
-
-
READ C
50h
-
-
READ ELECTRINIC SIGNATURE
90h
-
-
READ STATUS REGISTER
70h
-
-
Yes
PAGE PROGRAM
80h
10h
-
COPY BACK PROGRAM
00h
8Ah
10h
BLOCK ERASE
60h
D0h
-
RESET
FFh
-
-
Yes
相關(guān)PDF資料
PDF描述
HY29F002TC-70 2 Megabit (256K x 8), 5 Volt-only, Flash Memory
HY29F002TC-45 2 Megabit (256K x 8), 5 Volt-only, Flash Memory
HY29F002TC-55 2 Megabit (256K x 8), 5 Volt-only, Flash Memory
HY29F002T 2 Megabit (256K x 8), 5 Volt-only, Flash Memory
HY29F002TC-90 2 Megabit (256K x 8), 5 Volt-only, Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HY27US16122B 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:512Mbit (64Mx8bit / 32Mx16bit) NAND Flash
HY27US161G1M 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:1Gbit (128Mx8bit / 64Mx16bit) NAND Flash
HY27US16281A 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:128Mbit (16Mx8bit / 8Mx16bit) NAND Flash Memory
HY27US16282A 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:128Mbit (16Mx8bit / 8Mx16bit) NAND Flash Memory
HY27US16561A 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256Mbit (32Mx8bit / 16Mx16bit) NAND Flash
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