Electronic Components Datasheet Search |
|
IS61QDB24M18A Datasheet(PDF) 6 Page - Integrated Silicon Solution, Inc |
|
IS61QDB24M18A Datasheet(HTML) 6 Page - Integrated Silicon Solution, Inc |
6 / 29 page IS61QDB24M18A IS61QDB22M36A Integrated Silicon Solution, Inc.- www.issi.com Rev. A 8/7/2014 6 Power-Up and Power-Down Sequences The recommendation of voltage apply sequence is : VDD → VDDQ 1)→V REF 2)→ V IN Notes: VDDQ can be applied concurrently with VDD. VREF can be applied concurrently with VDDQ. After power and clock signals are stabilized, device can be ready for normal operation after tKC-Lock cycles. In tKC- lock cycle period, device initializes internal logics and locks DLL. Depending on /Doff status, locking DLL will be skipped. The following timing pictures are possible examples of power up sequence. Sequence1. /Doff is fixed low After tKC-lock cycle of stable clock, device is ready for normal operation. Power On stage Unstable Clock Period Stable Clock period Read to use K K# VDD VDDQ VREF VIN Note) All inputs including clocks must be either logically High or Low during Power On stage. Timing above shows only one of cases. Sequence2. /Doff is controlled and goes high after clock being stable. Power On stage Unstable Clock Period Stable Clock period Read to use K K# Doff# VDD VDDQ VREF VIN Note) All inputs including clocks must be either logically High or Low during Power On stage. Timing above shows only one of cases. >tKC-lock for device initialization >tKC-lock for device initialization |
Similar Part No. - IS61QDB24M18A |
|
Similar Description - IS61QDB24M18A |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List 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 |