STV0674-100TQFP STMICROELECTRONICS [STMicroelectronics], STV0674-100TQFP Datasheet - Page 14

• Manufacturer Part Number: STV0674-100TQFP
• Description: Tri-mode CMOS digital camera co-processor
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Detailed Specifications
Note: 1 The SDRAM interface is designed to operate with SDRAM devices which are compliant with the
14/35
Command
A0-9,BA
2 Above timing assumes 20pF load per pad.
DCLK
DQM
CKE
A10
Intel SDRAM Specification Revision 1.7 November 1999. Speed grades 66, 100 and 133MHz are
compatible.
DQ
t
t
t
t
t
t
t
t
Symbol
CK
CH
CL
AC
OH
CMS
CMH
AS
t
t
t
CK
CMS
AS
ACTIVE
ROW
ROW
20.11
20.11
20.27
20.02
20.67
t
Min
CMH
t
AH
0
t
RCD
t
CMS
t
CL
DIN M
WRITE
41.67
20.83
20.83
Typ.
t
CH
21.55
21.55
24.76
Figure 4: SDRAM write timing
Max
DIN M + 1
Table 2: SDRAM timing
Units
t
t
ns
ns
ns
ns
ns
ns
CK
CK
t
RAS
t
DS
DIN M + 2
COLUMN
NOP
t
DH
t
t
t
t
t
t
t
t
Symbol
t
DS
DH
RCD
RAS
RC
RP
RRD
AH
RC
DIN M + 3
t
CMH
20.12
21.82
19.79
Min
1
2
4
2
2
PRECHARGE
Typ.
NOP
t
RP
Max
STV0674
Units
t
t
t
t
t
ns
ns
ns
CK
CK
CK
CK
CK