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參數(shù)資料
| 型號： | 28F200BV-TB |
| 廠商： | Intel Corp. |
| 英文描述： | 2-MBIT SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY |
| 中文描述： | 2兆位SmartVoltage啟動塊閃存系列 |
| 文件頁數(shù)： | 11/55頁 |
| 文件大小： | 636K |
| 代理商： | 28F200BV-TB |
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E
1.5
2-MBIT SmartVoltage BOOT BLOCK FAMILY
11
SEE NEW DESIGN RECOMMENDATIONS
Pin Descriptions
Table 2. 28F200/002 Pin Descriptions
Symbol
Type
Name and Function
A
0
–A
17
INPUT
ADDRESS INPUTS
for memory addresses. Addresses are internally latched
during a write cycle.
The 28F200 only has A
0
– A
16
pins, while
the 28F002B has A
0
– A
17
.
ADDRESS INPUT:
When A
9
is at V
HH
the signature mode is accessed. During
this mode, A
0
decodes between the manufacturer and device IDs. When BYTE#
is at a logic low, only the lower byte of the signatures are read. DQ
15
/A
–1
is a
don’t care in the signature mode when BYTE# is low.
A
9
INPUT
DQ
0
–DQ
7
INPUT/
OUTPUT
DATA INPUTS/OUTPUTS:
Inputs array data on the second CE# and WE# cycle
during a Program command. Inputs commands to the Command User Interface
when CE# and WE# are active. Data is internally latched during the write cycle.
Outputs array, Intelligent Identifier and status register data. The data pins float to
tri-state when the chip is de-selected or the outputs are disabled.
DQ
8
–DQ
15
INPUT/
OUTPUT
DATA INPUTS/OUTPUTS:
Inputs array data on the second CE# and WE# cycle
during a Program command. Data is internally latched during the write cycle.
Outputs array data. The data pins float to tri-state when the chip is de-selected or
the outputs are disabled as in the byte-wide mode (BYTE# = “0”). In the byte-wide
mode DQ
15
/A
–1
becomes the lowest order address for data output on DQ
0
–DQ
7
.
The 28F002B does not include these DQ
8
–DQ
15
pins.
CE#
INPUT
CHIP ENABLE:
Activates the device’s control logic, input buffers, decoders and
sense amplifiers. CE# is active low. CE# high de-selects the memory device and
reduces power consumption to standby levels. If CE# and RP# are high, but not
at a CMOS high level, the standby current will increase due to current flow
through the CE# and RP# input stages.
OE#
INPUT
OUTPUT ENABLE:
Enables the device’s outputs through the data buffers during
a read cycle. OE# is active low.
WE#
INPUT
WRITE ENABLE:
Controls writes to the Command Register and array blocks.
WE# is active low. Addresses and data are latched on the rising edge of the WE#
pulse.
RP#
INPUT
RESET/DEEP POWER-DOWN:
Uses three voltage levels (V
IL
, V
IH
, and V
HH
) to
control two different functions: reset/deep power-down mode and boot block
unlocking. It is backwards-compatible with the BX/BL/BV products.
When RP# is at logic low, the device is in reset/deep power-down mode
,
which puts the outputs at High-Z, resets the Write State Machine, and draws
minimum current.
When RP# is at logic high, the device is in standard operation
. When RP#
transitions from logic-low to logic-high, the device defaults to the read array mode.
When RP# is at V
HH
, the boot block is unlocked
and can be programmed or
erased. This overrides any control from the WP# input.
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PDF描述 |
|---|---|
| 28F200BX | 2-MBIT (128K x 16, 256K x 8) BOOT BLOCK FLASH MEMORY FAMILY |
| 28F200BX-TB | 2-MBIT (128K x 16, 256K x 8) BOOT BLOCK FLASH MEMORY FAMILY |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 28F200BX | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:2-MBIT (128K x 16, 256K x 8) BOOT BLOCK FLASH MEMORY FAMILY |
| 28F200BX-B | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:28F200BX-B - 2-MBIT (128K x 16. 256K x 8) BOOT BLOCK FLASH MEMORY FAMILY |
| 28F200BX-T | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:28F200BX-T - 2-MBIT (128K x 16. 256K x 8) BOOT BLOCK FLASH MEMORY FAMILY |
| 28F200BX-T/B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| 28F200BX-TB | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:2-MBIT (128K x 16, 256K x 8) BOOT BLOCK FLASH MEMORY FAMILY |
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