поискавой системы для электроныых деталей |
|
CAT25040VP2IT3 датащи(PDF) 10 Page - Catalyst Semiconductor |
|
CAT25040VP2IT3 датащи(HTML) 10 Page - Catalyst Semiconductor |
10 / 17 page CAT25010, CAT25020, CAT25040 Doc. No. MD-1006 Rev. T 10 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice Hold Operation The HOLD ¯¯¯¯¯ input can be used to pause communication between host and CAT25010/20/40. To pause, HOLD ¯¯¯¯¯ must be taken low while SCK is low (Figure 10). During the hold condition the device must remain selected (CS ¯¯ low). During the pause, the data output pin (SO) is tri-stated (high impedance) and SI transitions are ignored. To resume communication, HOLD ¯¯¯¯¯ must be taken high while SCK is low. DESIGN CONSIDERATIONS The CAT25010/20/40 devices incorporate Power-On Reset (POR) circuitry which protects the internal logic against powering up in the wrong state. The device will power up into Standby mode after VCC exceeds the POR trigger level and will power down into Reset mode when VCC drops below the POR trigger level. This bi-directional POR behavior protects the device against ‘brown-out’ failure following a temporary loss of power. The CAT25010/20/40 device powers up in a write disable state and in a low power standby mode. A WREN instruction must be issued prior any writes to the device. After power up, the CS ¯¯ pin must be brought low to enter a ready state and receive an instruction. After a successful byte/page write or status register write, the device goes into a write disable mode. The CS ¯¯ input must be set high after the proper number of clock cycles to start the internal write cycle. Access to the memory array during an internal write cycle is ignored and programming is continued. Any invalid op-code will be ignored and the serial output pin (SO) will remain in the high impedance state. Figure 10. HOLD ¯¯¯¯¯ Timing Note: Dashed Line = mode (1, 1) - - - - - - CS SCK HOLD SO tCD tHD tHD tCD tLZ tHZ HIGH IMPEDANCE |
Аналогичный номер детали - CAT25040VP2IT3 |
|
Аналогичное описание - CAT25040VP2IT3 |
|
|
ссылки URL |
Конфиденциальность |
ALLDATASHEETRU.COM |
Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | обмен ссыками | поиск по производителю 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 |