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參數(shù)資料
| 型號(hào)： | CAT25C11VETE13 |
| 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)： | 7/12頁 |
| 文件大?。?/td> | 315K |
| 代理商： | CAT25C11VETE13 |
DsconinuedPats
Note: Dashed Line= mode (1, 1)
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7
CAT25C11/03/05/09/17
Doc. No. 1017, Rev. L
2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Figure 4. Read Instruction Timing
After the correct read instruction and address are sent,
the data stored in the memory at the selected address is
shifted out on the SO pin. The data stored in the memory
at the next address can be read sequentially by continuing
to provide clock pulses. The internal address pointer is
automatically incremented to the next higher address
after each byte of data is shifted out. When the highest
address is reached, the address counter rolls over to
0000h allowing the read cycle to be continued indefinitely.
The read operation is terminated by pulling the
CS
high.
Read sequece is illustrated in Figure 4. Reading status
register is illustrated in Figure 5. To read the status
register, RDSR instruction should be sent. The contents
of the status register are shifted out on the SO line. If a
non-volatile write is in progress, the RDSR instruction
returns a high on SO. When the non-volatile write cycle
is completed, the status register data is read out.
WRITE Sequence
The CAT25C11/03/05/09/17 powers up in a Write Dis-
able state. Prior to any write instructions, the WREN
instruction must be sent to CAT25C11/03/05/09/17.
The device goes into Write enable state by pulling the
CS
low and then clocking the WREN instruction into
CAT25C11/03/05/09/17. The
CS
must be brought high
SK
SI
SO
0
0
0
0
X*
0
1
1
BYTE ADDRESS*
0
1
2
3
4
5
6
7
8
9
10
20
21
22
23
24
25
26
27
28
29
30
7
6
5
4
3
2
1
0
*Please check the Byte Address Table.
*X = 0 for CAT25C11, CAT25C03, CAT25C09 and CAT25C17; X = A8 for CAT25C05.
CS
OPCODE
DATA OUT
MSB
HIGH IMPEDANCE
*
*
AN
A0
and the WPEN bit) and the block protected sections in
the memory array when the chip is hardware write
protected. Only the sections of the memory array that
are not block protected can be written. Hardware write
protection is disabled when either WP pin is high or the
WPEN bit is zero.
Write Enable and Disable
The CAT25C11/03/05/09/17 contains a write enable
latch. This latch must be set before any write operation.
The device powers up in a write disable state when V
cc
is applied. WREN instruction will enable writes (set the
latch) to the device. WRDI instruction will disable writes
(reset the latch) to the device. Disabling writes will
protect the device against inadvertent writes.
READ Sequence
The part is selected by pulling
CS
low. The 8-bit read
instruction is transmitted to the CAT25C11/03/05/09/17,
followed by the 16-bit address for 25C09/17 (only 10-bit
addresses are used for 25C09, 11-bit addresses are
used for 25C17. The rest of the bits are don't care bits)
and 8-bit address for 25C11/03/05 (for the 25C05, bit 3
of the read data instruction contains address A8).
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| CAT25C17SETE13 | 1K/2K/4K/8K/16K SPI Serial CMOS EEPROM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT25C11VI | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (128x8) 1K 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 |
| CAT25C11Y | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (128x8) 1K 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 |
| CAT25C11Y-1.8 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (128x8) 1K 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 |
| CAT25C11YA | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (128x8) 1K 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 |
| CAT25C11YI | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (128x8) 1K 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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