MPC8544DS Freescale Semiconductor, MPC8544DS Datasheet - Page 18
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MPC8544DS
Manufacturer Part Number
MPC8544DS
Description
BOARD DEVELOPMENT SYSTEM 8544
Manufacturer
Freescale Semiconductor
Series
PowerQUICC III™r
Type
MPUr
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
4.MPC8544DS.pdf
(2 pages)
Specifications of MPC8544DS
Contents
Board
Processor To Be Evaluated
MPC8544E
Data Bus Width
32 bit
Interface Type
Ethernet, I2C
Operating Supply Voltage
- 0.3 V to + 1.1 V
Leaded Process Compatible
Yes
Peak Reflow Compatible (260 C)
Yes
Rohs Compliant
Yes
For Use With/related Products
MPC8544
For Use With
PPC8544EVTANG - EVAL MPC8544 783FCPBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
DDR and DDR2 SDRAM
Table 13
Table 14
6.2
This section provides the AC electrical characteristics for the DDR SDRAM interface.
6.2.1
Table 15
18
At recommended operating conditions.
Output leakage current
Output high current (V
Output low current (V
Notes:
1. GV
2. MV
3. V
4. Output leakage is measured with all outputs disabled, 0 V
Input/output capacitance: DQ, DQS
Delta input/output capacitance: DQ, DQS
Note:
1. This parameter is sampled. GV
Current draw for MV
Note:
1. The voltage regulator for MV
AC input low voltage
AC input high voltage
noise on MV
equal to MV
TT
DD
REF
is not applied directly to the device. It is the supply to which far end signal termination is made and is expected to be
is expected to be within 50 mV of the DRAM GV
is expected to be equal to 0.5 × GV
provides the DDR I/O capacitance when GV
provides the current draw characteristics for MV
provides the input AC timing specifications for the DDR SDRAM when GV
DDR SDRAM AC Electrical Characteristics
Table 12. DDR SDRAM DC Electrical Characteristics for GV
Parameter/Condition
DDR SDRAM Input AC Timing Specifications
REF
REF
Parameter/Condition
Parameter
. This rail should track variations in the DC level of MV
Table 15. DDR2 SDRAM Input AC Timing Specifications for 1.8-V Interface
Parameter/Condition
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
may not exceed ±2% of the DC value.
REF
OUT
OUT
= 0.42 V)
= 1.8 V)
Table 13. DDR SDRAM Capacitance for GV
REF
Table 14. Current Draw Characteristics for MV
DD
must be able to supply up to 500 μA current.
= 2.5 V ± 0.125 V, f = 1 MHz, T
DD
, and to track GV
Symbol
Symbol
V
V
I
I
I
OH
IH
OZ
OL
IL
DD
at all times.
≤
V
Symbol
I
Symbol
OUT
MVREF
DD
DD
C
C
DIO
MV
(typ) = 2.5 V.
IO
DC variations as measured at the receiver. Peak-to-peak
A
≤
REF
= 25°C, V
GV
REF
–16.2
16.2
REF
Min
–50
Min
—
.
DD
+ 0.25
.
.
DD
OUT
Min
Min
—
—
DD
6
(typ) = 2.5 V
= GV
(typ) = 2.5 V (continued)
MV
REF
DD
REF
/2, V
Max
Max
50
—
—
—
Max
Max
– 0.25
500
0.5
8
OUT
Freescale Semiconductor
(peak-to-peak) = 0.2 V.
DD
(typ) = 1.8 V.
Unit
Unit
Unit
Unit
mA
mA
μA
μA
pF
pF
V
V
Notes
Notes
Notes
Notes
—
—
—
—
4
1
1
1