PPC440EPX-SUA667T Applied Micro Circuits Corporation, PPC440EPX-SUA667T Datasheet - Page 57

• Manufacturer Part Number: PPC440EPX-SUA667T
• Manufacturer: Applied Micro Circuits Corporation

Specifications of PPC440EPX-SUA667T

• Family Name: 440EPx
• Device Core: PowerPC
• Device Core Size: 32b
• Frequency (max): 667MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.5/3.3V
• Operating Supply Voltage (max): 1.6/3.45V
• Operating Supply Voltage (min): 1.425/3.15V
• Operating Temp Range: -40C to 100C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 680
• Package Type: TEBGA
• Lead Free Status / RoHS Status: Compliant

Revision 1.30 – February 27, 2009
Table 8. Signal Functional Description (Sheet 2 of 9)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3kΩ to OV
3. Must pull down (recommended value is 1kΩ)
4. If not used, must pull up (recommended value is 3kΩ to OV
5. If not used, must pull down (recommended value is 1kΩ)
6. Strapping input during reset; pull-up or pull-down required
AMCC Proprietary
DDR2/1 SDRAM Interface
BA0:2
BankSel0:1
CAS
ClkEn
DM0:7
DM8
DQS0:7
DQS8
ECC0:7
MemAddr00:13
MemData00:63
MemClkOut
MemClkOut
MemODT0:1
RAS
WE
S
S
Data Sheet
VREF1A:B
VREF2A:B
Signal Name
Bank Address supporting up to eight internal banks.
Clock Enable.
Memory data bus (MemData32:63 available for DDR2 only).
DDR2 On-die termination enable (not used with DDR1).
Selects up to two external DDR SDRAM banks.
Column Address Strobe.
Memory write data byte lane masks. DM8 is the byte lane mask
for the ECC byte lane.
Byte lane data strobe.
Byte lane data strobe for ECC.
ECC check bits 0:7.
Memory address bus.
Subsystem clock.
Row Address Strobe.
Write Enable.
DDR SDRAM reference voltage 1 input.
DDR SDRAM reference voltage 2 input.
DD
(EOV
Description
DD
DD
for Ethernet)
440EPx – PPC440EPx Embedded Processor
(EOV
DD
for Ethernet)
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
I
I
Volt ref receiver
(1.25V or 0.9V)
(1.25V or 0.9V)
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
SDRAM-DDR
Volt ref driver
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
2.5V (1.8V)
Diff driver
Type
Notes
57