MPC8321E Freescale Semiconductor, Inc, MPC8321E Datasheet - Page 14

• Manufacturer Part Number: MPC8321E
• Description: Mpc8321e Powerquicc Ii Pro Processor
• Manufacturer: Freescale Semiconductor, Inc

DDR1 and DDR2 SDRAM
Table 13
Table 14
MPC8323E when Dn_GV
Table 15
14
Input/output capacitance: DQ, DQS
Delta input/output capacitance: DQ, DQS
Note:
1. This parameter is sampled. Dn
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. Dn
2. MVREFn
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. Dn
V
Peak-to-peak noise on MVREFn
equal to MVREFn
V
MPC8323E PowerQUICC™ II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 1
OUT
TT
OUT
_
GV
is not applied directly to the device. It is the supply to which far end signal termination is made and is expected to be
(peak-to-peak) = 0.2 V.
(peak-to-peak) = 0.2 V.
Parameter/Condition
DD
provides the DDR2 capacitance when Dn_GV
provides the recommended operating conditions for the DDR1 SDRAM component(s) of the
provides the DDR1 capacitance Dn_GV
REF
is expected to be within 50 mV of the DRAM Dn
is expected to be equal to 0.5 × Dn
Table 14. DDR1 SDRAM DC Electrical Characteristics for Dn
Parameter/Condition
Parameter/Condition
Table 15. DDR1 SDRAM Capacitance for Dn
REF
OUT
OUT
. This rail should track variations in the DC level of MVREFn
Table 13. DDR2 SDRAM Capacitance for Dn
= 0.35 V)
= 1.95 V)
DD
_
_
(typ) = 2.5 V.
GV
REF
GV
DD
DD
may not exceed ±2% of the DC value.
= 1.8 V ± 0.090 V, f = 1 MHz, T
= 2.5 V ± 0.125 V, f = 1 MHz, T
MVREFn
Dn
Symbol
_
V
I
V
I
I
V
OZ
OH
OL
GV
TT
IH
IL
_
DD
REF
GV
DD
, and to track Dn
MVREFn
MVREFn
DD
Symbol
Symbol
0.49 × Dn
≤
_
C
C
C
(typ) = 2.5 V.
C
GV
V
DIO
IO
DIO
OUT
IO
DD
2.375
–16.2
DD
–0.3
–9.9
16.2
Min
REF
REF
≤
at all times.
(typ) = 1.8 V.
_
Dn
GV
_
A
– 0.04
+ 0.15
A
GV
_
= 25°C, V
_
= 25°C, V
DD
GV
GV
DD
_
Min
Min
—
DD
6
GV
—
DD
6
(typ) = 2.5 V Interface
.
DC variations as measured at the receiver.
DD
MVREFn
MVREFn
OUT
REF
0.51 × Dn
OUT
Dn
(typ) = 1.8 V
_
.
_
= Dn
GV
= Dn
GV
2.625
Max
–9.9
—
—
REF
REF
DD
DD
Max
_
0.5
_
_
Max
8
GV
0.5
GV
(typ) = 2.5 V
GV
+ 0.3
8
+ 0.04
– 0.15
DD
DD
DD
/2,
Freescale Semiconductor
/2,
Unit
pF
pF
Unit
Unit
mA
mA
μA
pF
pF
V
V
V
V
V
Notes
Notes
Notes
1
1
1
1
1
2
3
4