W90N745CD Datasheet, PDF (394/422 Pages) Winbond – 16/32-bit ARM microcontroller

W90N745CD/W90N745CDG
7.3 AC Specifications
7.3.1 EBI/SDRAM Interface AC Characteristics
MCLK
D[31:0]
1.5V
TDSU
TDH
1.5V
Iutput Valid
SDRAM input to W90P710
MCLK
D[31:0]
1.5V
TDO
1.5V
Output Valid
W90P710 write to SDRAM
SYMBOL
T_DSU
T_DH
T_DO
PARAMETER
D [31:0] Setup Time
D [31:0] Hold Time
D [31:0], A [24:0], nSCS [1:0], SDQM [3:0], CKE, nSWE,
nSRAS, nSCAS
MIN.
2
2
2
MAX.
7
UNIT
ns
ns
ns
Publication Release Date: September 22, 2006
- 389 -
Revision A2