参数资料
型号: S29AL016M90FFIR10
厂商: SPANSION LLC
元件分类: PROM
英文描述: 16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY
中文描述: 1M X 16 FLASH 3V PROM, 90 ns, PBGA64
封装: 13 X 11 MM, LEAD FREE, FBGA-64
文件页数: 21/62页
文件大小: 1850K
代理商: S29AL016M90FFIR10
26
S29AL016M
S29AL016M_00_A7 October 11, 2006
Data
Sheet
ceeding read will show that the data is still “0”. Only erase operations can convert
a “0” to a “1”.
Unlock Bypass Command Sequence
The unlock bypass feature allows the system to program bytes or words to the
device faster than using the standard program command sequence. The unlock
bypass command sequence is initiated by first writing two unlock cycles. This is
followed by a third write cycle containing the unlock bypass command, 20h. The
device then enters the unlock bypass mode. A two-cycle unlock bypass program
command sequence is all that is required to program in this mode. The first cycle
in this sequence contains the unlock bypass program command, A0h; the second
cycle contains the program address and data. Additional data is programmed in
the same manner. This mode dispenses with the initial two unlock cycles required
in the standard program command sequence, resulting in faster total program-
ming time. Tables 1011 show the requirements for the command sequence.
During the unlock bypass mode, only the Unlock Bypass Program and Unlock By-
pass Reset commands are valid. To exit the unlock bypass mode, the system
must issue the two-cycle unlock bypass reset command sequence. The first cycle
must contain the data 90h; the second cycle the data 00h. Addresses are don’t
care for both cycles. The device then returns to reading array data.
Figure 4 illustrates the algorithm for the program operation. See the Erase/Pro-
gram Operations table in “AC Characteristics” for parameters, and to Figure 17
for timing diagrams.
相关PDF资料
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S29AL016M90FFIR12 制造商:SPANSION 制造商全称:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY
S29AL016M90FFIR13 制造商:SPANSION 制造商全称:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY
S29AL016M90FFIR20 制造商:SPANSION 制造商全称:SPANSION 功能描述:16 Megabit (2 M x 8-Bit/1 M x 16-Bit) 3.0 Volt-only Boot Sector Flash Memory Featuring MirrorBit⑩ Technology
S29AL016M90FFIR22 制造商:SPANSION 制造商全称:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY
S29AL016M90FFIR23 制造商:SPANSION 制造商全称:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY