參數(shù)資料
型號(hào): AM28F512-200PCB
廠商: ADVANCED MICRO DEVICES INC
元件分類: PROM
英文描述: 512 Kilobit (64 K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory
中文描述: 64K X 8 FLASH 12V PROM, 200 ns, PDIP32
封裝: PLASTIC, DIP-32
文件頁數(shù): 20/35頁
文件大?。?/td> 484K
代理商: AM28F512-200PCB
20
Am28F512
Auto Select Command
AMD’s Flash memories are designed for use in applica-
tions where the local CPU alters memory contents. Ac-
cordingly, manufacturer and device codes must be
accessible while the device resides in the target sys-
tem. PROM programmers typically access the signa-
ture codes by raising A9 to a high voltage. However,
multiplexing high voltage onto address lines is not a
generally desired system design practice.
The device contains an Auto Select operation to sup-
plement traditional PROM programming methodology.
The operation is initiated by writing 80h or 90h into the
command register. Following this command, a read
cycle address 0000h retrieves the manufacturer code
of 01h. A read cycle from address 0001h returns the
device code. To terminate the operation, it is necessary
to write another valid command, such as Reset (FFh),
into the register.
相關(guān)PDF資料
PDF描述
AM28F512-200PE Dual D-type pos.-edge-triggered flip-flops with preset and clear 14-SOIC 0 to 70
AM28F512-200PEB Dual D-type pos.-edge-triggered flip-flops with preset and clear 14-SOIC 0 to 70
AM28F512-200PI 512 Kilobit (64 K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory
AM28F512-200PIB 512 Kilobit (64 K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory
AM28F512-70EC Dual D-type pos.-edge-triggered flip-flops with preset and clear 14-PDIP 0 to 70
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