数据搜索系统,热门电子元器件搜索 |
|
CAT1161WI-28 数据表(PDF) 6 Page - Catalyst Semiconductor |
|
CAT1161WI-28 数据表(HTML) 6 Page - Catalyst Semiconductor |
6 / 14 page CAT1161, CAT1162 © 2007 Catalyst Semiconductor, Inc. 6 Doc. No. 3002 Rev. F Characteristics subject to change without notice Hardware Data Protection The CAT1161/2 is designed with the following hardware data protection features to provide a high degree of data integrity. (1) The CAT1161/2 features a WP pin. When the WP pin is tied high the entire memory array becomes write protected (read only). (2) The VCC sense provides write protection when VCC falls below the reset threshold value (VTH). The VCC lock out inhibits writes to the serial EEPROM whenever VCC falls below (power down) VTH or until VCC reaches the reset threshold (power up) VTH. Any attempt to access the internal EEPROM is not recognized and an ACK will not be sent on the SDA line when RESET or RESET ¯¯¯¯¯¯ is active. Reset Threshold Voltage The CAT1161/2 is offered with five reset threshold voltage ranges. They are 4.50 ÷ 4.75V, 4.25 ÷ 4.50V, 3.00 ÷ 3.15V, 2.85 ÷ 3.00V and 2.55 ÷ 2.70V. Figure 2. Bus Timing Figure 3. Write Cycle Timing Figure 4. Start/Stop Timing tHIGH SCL SDA IN SDA OUT tLOW tF tLOW tR tBUF tSU:STO tSU:DAT tHD:DAT tHD:STA tSU:STA tAA tDH tWR STOP CONDITION START CONDITION ADDRESS ACK 8TH BIT BYTE n SCL SDA START BIT SDA STOP BIT SCL |
类似零件编号 - CAT1161WI-28 |
|
类似说明 - CAT1161WI-28 |
|
|
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 |
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 |