SAA7740 Philips Semiconductors, SAA7740 Datasheet - Page 19

• Manufacturer Part Number: SAA7740
• Description: Digital Audio Processing IC DAPIC
• Manufacturer: Philips Semiconductors

handbook, full pagewidth
Philips Semiconductors
1997 May 30
Digital Audio Processing IC (DAPIC)
REFRESH
WRITE
READ
RAS
CAS
A0 to A8
WE
OE
D0 to D3
WE
OE
D0 to D3
RAS
CAS
A0 to A8
t pCAS;RAS
t rcy;def
t rcy;def
t p;RAS
t p;RAS
t su;RA
t
t
ROW
RAS;CA
ADD
su;DAT
t f
Fig.10 Timing diagram DRAM interface.
t h;RA
t dRAS;CAS
t acc;RAS
t wcy;def
t wcy;def
ROW
t su;CA
t acc;CA
t h;CAS
t pCAS;RAS
t hCA;RAS
t hDAT;RAS
COLUMN ADD
DATA IN
t r
t W;CAS
t h1CA;CAS
t acc;CAS
DATA OUT
t h;DAT
19
t W;RAS
t t
t W;RAS
t p;RAS t RAS;CA
t h2CA;CAS
t hDAT;CAS
t cy;CAS
t p;CAS
COLUMN ADD
DATA
t wcy;def
t wcy;def
DATA OUT
COLUMN
IN
MLC158
t h;RAS
t lCA;RAS
t r
V
V
t off
H
L
Product specification
t hCA;RASp
t rcy;def
t rcy;def
SAA7740H