MB86391 Datasheet, PDF (60/69 Pages) Fujitsu Component Limited. – MPEG2 1chip Audio/Video Encoder

4.4.4 SDRAM Interface for Video Encoding
Clock (SDCLK)
1/fSDCLK
tHSDCLK
tLSDCLK
SDCLK
FUJITSU LIMITED
Proprietary and Confidential
Item
SDCLK frequency
SDCLK H duration
SDCLK L duration
Input signals
SDCLK
SDDATA31:0
Output signals
SDCLK
SDDATA31:0,
SDADRS11:0,
SDDQM, XSDWE,
XSDCAS, XSDRAS,
XSDCS, SDCKE
Symbol
fSDCLK
tHSDCLK
tLSDCLK
Condition
Standard
Min. Typical Max.
−
−
54
6.5
−
−
6.5
−
−
Unit
MHz
ns
ns
tRSDS
tRSDH
tWSDD, tSADRSD, tSDDQM, tSDWED,
tSDCASD , tSDRASD, tSDCSD, tSDCKED
MB86391
Product Specification
Rev. 1.1
12, November 2001
56