IDT72T6480 Integrated Device Technology, IDT72T6480 Datasheet - Page 15

• Manufacturer Part Number: IDT72T6480
• Description: X48 Sequential Flow-control Device Up To 1gigabit
• Manufacturer: Integrated Device Technology

TABLE 4 – SFC TO DDR SDRAM INTERFACE CONNECTIONS(Continued)
IDT72T6480 2.5V, SEQUENTIAL FLOW-CONTROL DEVICE
x12, x24, x48 BIT WIDE CONFIGURATION
SFC
SFC
IDT
IDT
Data Bus
Address Bus
Data Bus
Address Bus
36
32
13
13
16
16
16
16
4
13
13
13
SDRAM
256Mb
DDR
SDRAM
256Mb
DDR
6358 drw08
6358 drw09
CONFIGURATION 6
CONFIGURATION 5
SFC Outputs DDR SDRAM #1
DQ[15:0]
DQ[31:16]
DQ[35:32]
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
A[12:0]
CK, CK
RAS, CAS
BA[1:0]
WE
DDR SDRAM Hard wired pins
CKE → V
CS → GND
LDM → GND
UDM → GND
DQ[15:4] → V
SFC Hard wired pins
DQ[63:36] → V
DQS[7:6] → V
SFC Outputs DDR SDRAM #1
DQ[15:0]
DQ[31:16]
DQS0
DQS1
DQS2
DQS3
A[12:0]
CK, CK
RAS, CAS
BA[1:0]
WE
DDR SDRAM Hard wired pins
CKE → V
CS → GND
LDM → GND
UDM → GND
SFC Hard wired pins
DQ[63:32] → V
DQS[7:4] → V
CC
CC
CC
CC
CC
CC
CC
DQ[15:0]
--
--
LDQS
UDQS
--
--
--
--
A[12:0]
CK, CK
RAS, CAS
BA[1:0]
WE
DQ[15:0]
--
LDQS
UDQS
--
--
A[12:0]
CK, CK
RAS, CAS
BA[1:0]
WE
15
DDR SDRAM #2
--
DQ[15:0]
--
--
--
LDQS
UDQS
--
--
A[12:0]
CK, CK
RAS, CAS
BA[1:0]
WE
DDR SDRAM #2
--
DQ[15:0]
--
--
LDQS
UDQS
A[12:0]
CK, CK
RAS, CAS
BA[1:0]
WE
COMMERCIAL AND INDUSTRIAL
DDR SDRAM #3
--
--
DQ[3:0]
--
--
--
--
LDQS
UDQS
A[12:0]
CK, CK
RAS, CAS
BA[1:0]
WE
TEMPERATURE RANGES
OCTOBER 10, 2005