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參數(shù)資料
| 型號： | AB28F400BX-T90 |
| 廠商： | INTEL CORP |
| 元件分類： | DRAM |
| 英文描述： | JT 32C 32#20 PIN RECP |
| 中文描述： | 256K X 16 FLASH 12V PROM, 90 ns, PDSO44 |
| 封裝： | 1.110 X 0.525 INCH, PLASTIC, SOP-44 |
| 文件頁數(shù)： | 2/34頁 |
| 文件大?。?/td> | 461K |
| 代理商： | AB28F400BX-T90 |
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A28F400BX-T/B
Intel’s 4-Mbit Flash Memory Family is an extension of the Boot Block Architecture which includes block-
selective erasure, automated write and erase operations and standard microprocessor interface. The 4-Mbit
Flash Memory Family enhances the Boot Block Architecture by adding more density and blocks, x8/x16 input/
output control, very high speed, low power, an industry standard ROM compatible pinout and surface mount
packaging. The 4-Mbit flash family is an easy upgrade from Intel’s 2-Mbit Boot Block Flash Memory Family.
The Intel A28F400BX-T/B are 16-bit wide flash memory offerings optimized to meet the rigorous environmen-
tal requirements of Automotive Applications. These high density flash memories provide user selectable bus
operation for either 8-bit or 16-bit applications. The A28F400BX-T and A28F400BX-B are 4,194,304-bit non-
volatile memories organized as either 524,288 bytes or 262,144 words of information. They are offered in 44-
Lead plastic SOP packages. The x8/x16 pinout conforms to the industry standard ROM/EPROM pinout. Read
and Write characteristics are guaranteed over the ambient temperature range of
b
40
§
C to
a
125
§
C.
These devices use an integrated Command User Interface (CUI) and Write State Machine (WSM) for simplified
word/byte write and block erasure. The A28F400BX-T provide block locations compatible with Intel’s
MCS-186 family, 80286, i386
TM
, i486
TM
, i860
TM
and 80960CA microprocessors. The A28F400BX-B provides
compatibility with Intel’s 80960KX and 80960SX families as well as other embedded microprocessors.
The boot block includes a data protection feature to protect the boot code in critical applications. With a
maximum access time of 90 ns, these 4-Mbit flash devices are very high performance memories which
interface at zero-wait-state to a wide range of microprocessors and microcontrollers.
Manufactured on Intel’s 0.8 micron ETOX
TM
III process, the 4-Mbit flash memory family provides world class
quality, reliability and cost-effectiveness at the 4-Mbit density level.
2
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