mpc8313e Freescale Semiconductor, Inc, mpc8313e Datasheet - Page 16

• Manufacturer Part Number: mpc8313e
• Description: Mpc8313e Powerquicc Ii Pro Processor
• Manufacturer: Freescale Semiconductor, Inc

DDR and DDR2 SDRAM
6
This section describes the DC and AC electrical specifications for the DDR SDRAM interface. Note that
DDR SDRAM is GV
6.1
Table 11
GV
Table 12
16
Input/output capacitance: DQ, DQS, DQS
Delta input/output capacitance: DQ, DQS, DQS
Note:
1. This parameter is sampled. GV
I/O supply voltage
I/O reference voltage
I/O termination voltage
Input high voltage
Input low voltage
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
noise on MV
equal to MV
DD
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
(typ) = 1.8 V
DDR and DDR2 SDRAM
is expected to be within 50 mV of the DRAM GV
is expected to be equal to 0.5 × GV
provides the recommended operating conditions for the DDR2 SDRAM component(s) when
provides the DDR2 capacitance when
DDR and DDR2 SDRAM DC Electrical Characteristics
Parameter/Condition
REF
REF
Parameter/Condition
. This rail should track variations in the DC level of MV
Table 11. DDR2 SDRAM DC Electrical Characteristics for GV
may not exceed ±2% of the DC value.
OUT
OUT
MPC8313E PowerQUICC
.
DD
= 0.280 V)
= 1.420 V)
(typ) = 2.5 V and DDR2 SDRAM is GV
Table 12. DDR2 SDRAM Capacitance for GV
DD
= 1.8 V ± 0.090 V, f = 1 MHz, T
DD
, and to track GV
™
Symbol
MV
GV
II Pro Processor Hardware Specifications, Rev. 0
V
I
V
V
I
I
OZ
OH
OL
TT
REF
IH
IL
DD
GV
DD
Symbol
at all times.
DD
≤
C
C
V
MV
DIO
(typ) =
MV
IO
0.49 × GV
OUT
DD
REF
REF
A
–13.4
DC variations as measured at the receiver. Peak-to-peak
–0.3
–9.9
13.4
Min
≤
1.7
= 25°C, V
+ 0.125
GV
1.8 V.
– 0.04
REF
DD
DD
.
.
DD
Min
—
6
OUT
DD
(typ) = 1.8 V.
= GV
(typ)=1.8 V
MV
MV
0.51 × GV
GV
REF
REF
DD
DD
Max
DD
1.9
9.9
—
—
/2, V
– 0.125
+ 0.04
(typ) = 1.8 V
+ 0.3
Max
0.5
8
DD
OUT
(peak-to-peak) = 0.2 V.
Freescale Semiconductor
Unit
Unit
pF
pF
mA
mA
μA
V
V
V
V
V
Notes
Notes
1
1
1
2
3
4