參數(shù)資料
型號(hào)： CAT25040VI-T3
廠商： ON SEMICONDUCTOR
元件分類： PROM
英文描述： 512 X 8 SPI BUS SERIAL EEPROM, PDSO8
封裝： 0.150 INCH, GREEN, MS-012, SOIC-8
文件頁數(shù)： 13/17頁
文件大?。?/td> 152K
代理商： CAT25040VI-T3
CAT25010, CAT25020, CAT25040
2008 SCILLC. All rights reserved
5
Doc. No. MD-1006 Rev. U
Characteristics subject to change without notice
STATUS REGISTER
The Status Register, as shown in Table 2, contains a
number of status and control bits.
The RDY
(Ready) bit indicates whether the device is
busy with a write operation. This bit is automatically
set to 1 during an internal write cycle, and reset to 0
when the device is ready to accept commands. For
the host, this bit is read only.
The WEL (Write Enable Latch) bit is set/reset by the
WREN/WRDI commands. When set to 1, the device is
in a Write Enable state and when set to 0, the device
is in a Write Disable state.
The BP0 and BP1 (Block Protect) bits determine
which blocks are currently write protected. They are
set by the user with the WRSR command and are
non-volatile. The user is allowed to protect a quarter,
one half or the entire memory, by setting these bits
according to Table 3. The protected blocks then
become read-only.
Table 2. Status Register
7
6
5
4
3
2
1
0
1
BP1
BP0
WEL
RDY
Table 3. Block Protection Bits
Status Register Bits
BP1
BP0
Array Address Protected
Protection
0
None
No Protection
0
1
CAT25010: 060-07F
CAT25020: 0C0-0FF
CAT25040: 180-1FF
Quarter Array Protection
1
0
CAT25010: 040-07F
CAT25020: 080-0FF
CAT25040: 100-1FF
Half Array Protection
1
CAT25010: 000-07F
CAT25020: 000-0FF
CAT25040: 000-1FF
Full Array Protection
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CAT25040VI-TE13 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述:
CAT25040VP2I-GT3 功能描述:電可擦除可編程只讀存儲(chǔ)器 4K-Bit SPI Serial RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
CAT25040Y 功能描述:電可擦除可編程只讀存儲(chǔ)器 (512x8) 4K 2.5-6.0 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
CAT25040Y-1.8 功能描述:電可擦除可編程只讀存儲(chǔ)器 (512x8) 4K 1.8-6.0 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
CAT25040YA 功能描述:電可擦除可編程只讀存儲(chǔ)器 (512x8) 4K 2.5-6.0 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
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