79RC32K438-266BBI IDT, 79RC32K438-266BBI Datasheet - Page 22

• Manufacturer Part Number: 79RC32K438-266BBI
• Description: Processors - Application Specialized
• Manufacturer: IDT

Specifications of 79RC32K438-266BBI

• Part # Aliases: IDT79RC32K438-266BBI

IDT 79RC32438
1
2
(see Chapter 7, DDR Controller, in the RC32438 User Reference Manual).
DDRCMD contains DDRRASN, DDRCASN and DDRWEN.
DDRDATA is either 32-bits or 16-bits wide depending on the DBW control bit in DDRC Register
DDRDATA[31:0]
DDRDQSx (ideal)
DDRDATA[31:0]
DDRDATA[31:0]
DDRDQSx (max)
DDRADDR[13:0]
DDRDQSx (min)
DDROEN[3:0]
DDRDM[7:0]
DDRBA[1:0]
DDRCMD
DDRCKPx
DDRCKNx
DDRCSNx
DDRCKE
2
(ideal)
1
2
2
NOP
Figure 6 DDR SDRAM AC Timing Waveform - SDRAM Read Access
Tdo_7m
Tdo_7m
Tdo_7m
Tdo_7m
RowA
ACTV
BNKx
NOP
Col A0
RD
BNKx
22 of 59
Col A2
BNKx
RD
Tac (max)
Tac (min)
NOP
D0
D0
D0
Tskew_7g
Tskew_7g
NOP
D1 D2
D1 D2
D1 D2
PRECHG NOP
BNKx
D3
D3
D3
RowB
ACTV
BNKx
NOP
May 25, 2004