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參數(shù)資料
| 型號(hào)： | CAT25C03ZE-TE13 |
| 元件分類： | EEPROM |
| 英文描述： | 1K/2K/4K/8K/16K SPI Serial CMOS EEPROM |
| 中文描述： | 1K/2K/4K/8K/16K SPI 串行 互補(bǔ)型金屬氧化物 電可擦可編程只讀存儲(chǔ)器 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 77K |
| 代理商： | CAT25C03ZE-TE13 |
8
CAT25010/20/40
Doc. No. 1006, Rev. G
Figure 7. WRSR Timing
Figure 6. Write Instruction Timing
array because the write enable latch will not have been
properly set. Also, for a successful write operation the
address of the memory location(s) to be programmed
must be outside the protected address field location
selected by the block protection level.
Byte Write
Once the device is in a Write Enable state, the user may
proceed with a write sequence by setting the
CS low,
issuing a write instruction via the SI line, followed by the
8-bit address for 25010/20/40 (for the 25040, bit 3 of the
read data instruction contains address A8). Programming
will start after the
CS is brought high. Figure 6 illustrates
byte write sequence.
During an internal write cycle, all commands will be
ignored except the RDSR (Read Status Register)
instruction.
The Status Register can be read to determine if the write
cycle is still in progress. If Bit 0 of the Status Register is
set at 1, write cycle is in progress. If Bit 0 is set at 0, the
Note: Dashed Line= mode (1, 1) – ––––
*X=0 for 25010, 25020 ; X=A8 for 25040
Note: Dashed Line= mode (1, 1) – ––––
SK
SI
SO
0
1
0
ADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
012345678
21
22
23
24
25
26
27
28
29
30
31
CS
OPCODE
DATA IN
HIGH IMPEDANCE
0
1
2
345
67
8
10
911
12
13
14
SCK
SI
MSB
HIGH IMPEDANCE
DATA IN
15
SO
CS
7
6
5
4
3
2
10
00
0
00
0
1
OPCODE
device is ready for the next instruction
Page Write
The CAT25010/20/40 features page write capability.
After the initial byte, the host may continue to write up to
16 bytes of data to the CAT25010/20/40. After each
byte of data received, lower order address bits are
internally incremented by one; the high order bits of
address will remain constant. The only restriction is that
the X (X=16 for CAT25010/20/40) bytes must reside on
the same page. If the address counter reaches the end
of the page and clock continues, the counter will “roll
over” to the first address of the page and overwrite any
data that may have been written. The CAT25010/20/40
is automatically returned to the write disable state at the
completion of the write cycle. Figure 8 illustrates the
page write sequence.
To write to the status register, the WRSR instruction
should be sent. Only Bit 2 and Bit 3 of the status register
can be written using the WRSR instruction. Figure 7
illustrates the sequence of writing to status register.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT25C03ZI | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (256x8) 2K 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 |
| CAT25C04L | 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 |
| CAT25C04L-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 |
| CAT25C04LA | 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 |
| CAT25C04LI | 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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