数据搜索系统,热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

CAT25040V 数据表(PDF) 6 Page - Catalyst Semiconductor

部件名 CAT25040V
功能描述  1K/2K/4K SPI Serial CMOS EEPROM
Download  11 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  CATALYST [Catalyst Semiconductor]
网页  http://www.catalyst-semiconductor.com
标志 CATALYST - Catalyst Semiconductor

CAT25040V 数据表(HTML) 6 Page - Catalyst Semiconductor

Back Button CAT25040V Datasheet HTML 2Page - Catalyst Semiconductor CAT25040V Datasheet HTML 3Page - Catalyst Semiconductor CAT25040V Datasheet HTML 4Page - Catalyst Semiconductor CAT25040V Datasheet HTML 5Page - Catalyst Semiconductor CAT25040V Datasheet HTML 6Page - Catalyst Semiconductor CAT25040V Datasheet HTML 7Page - Catalyst Semiconductor CAT25040V Datasheet HTML 8Page - Catalyst Semiconductor CAT25040V Datasheet HTML 9Page - Catalyst Semiconductor CAT25040V Datasheet HTML 10Page - Catalyst Semiconductor Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 11 page
background image
6
CAT25010/20/40
Doc. No. 1006, Rev. L
Figure 2. WREN Instruction Timing
Figure 3. WRDI Instruction Timing
DEVICE OPERATION
Write Enable and Disable
The CAT25010/20/40 contains a write enable latch. This
latch must be set before any write operation. The device
powers up in a write disable state when Vcc is applied.
WREN instruction will enable writes (set the latch) to the
device. If
WP pin is held low, the write enable latch is
reset to the write disabe state, regardless of the WREN
Instruction. 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 CAT25010/20/40, followed
by the 8-bit address for CAT25010/20/40 (for the 25040,
bit 3 of the read data instruction contains address A8).
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
Note: Dashed Line= mode (1, 1) – ––––
SK
SI
CS
SO
00000
11
0
HIGH IMPEDANCE
SK
SI
CS
SO
00000
10
0
HIGH IMPEDANCE
Note: Dashed Line= mode (1, 1) – ––––
STATUS REGISTER
The Status Register indicates the status of the device.
The
RDY (Ready) bit indicates whether the CAT25010/
20/40 is busy with a write operation. When set to 1 a
write cycle is in progress and when set to 0 the device
indicates it is ready. This bit is read only. The WEL (Write
Enable) bit indicates the status of the write enable latch.
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
WEL bit can only be set by the WREN instruction and can
be reset by the WRDI instruction.
The BP0 and BP1 (Block Protect) bits indicate which
blocks are currently protected. These bits are set by the
user issuing the WRSR instruction. The user is allowed
to protect quarter of the memory, half of the memory or
the entire memory by setting these bits. Once protected,
the user may only read from the protected portion of the
array. These bits are non-volatile.


类似零件编号 - CAT25040V

制造商部件名数据表功能描述
logo
Catalyst Semiconductor
CAT25040VA-GT3 CATALYST-CAT25040VA-GT3 Datasheet
556Kb / 18P
   1K/2K/4K SPI Serial CMOS EEPROM
CAT25040VAT3 CATALYST-CAT25040VAT3 Datasheet
556Kb / 18P
   1K/2K/4K SPI Serial CMOS EEPROM
CAT25040VE-GT3 CATALYST-CAT25040VE-GT3 Datasheet
236Kb / 17P
   1-Kb, 2-Kb and 4-Kb SPI Serial CMOS EEPROM
logo
ON Semiconductor
CAT25040VE-GT3 ONSEMI-CAT25040VE-GT3 Datasheet
185Kb / 15P
   1-Kb, 2-Kb and 4-Kb SPI Serial CMOS EEPROM
February, 2010 ??Rev. 21
CAT25040VE-T3 ONSEMI-CAT25040VE-T3 Datasheet
185Kb / 15P
   1-Kb, 2-Kb and 4-Kb SPI Serial CMOS EEPROM
February, 2010 ??Rev. 21
More results

类似说明 - CAT25040V

制造商部件名数据表功能描述
logo
Catalyst Semiconductor
CAT25C01 CATALYST-CAT25C01_05 Datasheet
374Kb / 15P
   1K/2K/4K SPI Serial CMOS EEPROM
CAT25020 CATALYST-CAT25020 Datasheet
556Kb / 18P
   1K/2K/4K SPI Serial CMOS EEPROM
CAT25C11 CATALYST-CAT25C11 Datasheet
79Kb / 12P
   1K/2K/4K/8K/16K SPI Serial CMOS EEPROM
CAT25C03 CATALYST-CAT25C03_05 Datasheet
305Kb / 12P
   1K/2K/4K/8K/16K SPI Serial CMOS EEPROM
CAT64LC10 CATALYST-CAT64LC10 Datasheet
300Kb / 12P
   1K/2K/4K-Bit SPI Serial EEPROM
logo
Asahi Kasei Microsystem...
AK93C45B AKM-AK93C45B_03 Datasheet
178Kb / 14P
   1K / 2K / 4K / 8Kbit Serial CMOS EEPROM
AK93C45B AKM-AK93C45B Datasheet
166Kb / 14P
   1K / 2K / 4K / 8KBIT SERIAL CMOS EEPROM
AK93C45A AKM-AK93C45A Datasheet
129Kb / 14P
   1K / 2K / 4K / 8Kbit Serial CMOS EEPROM
logo
Microchip Technology
85C72 MICROCHIP-85C72 Datasheet
107Kb / 8P
   1K/2K/4K 5.0V CMOS Serial EEPROM
1995
logo
Catalyst Semiconductor
CAT25C01 CATALYST-CAT25C01 Datasheet
59Kb / 10P
   1K/2K/4K/8K/16K SPI Serial CMOS E2PROM
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11


数据表 下载

Go To PDF Page


链接网址




隐私政策
ALLDATASHEETCN.COM
ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   链接交换   |   制造商名单
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com