mpc5125 Freescale Semiconductor, Inc, mpc5125 Datasheet - Page 52

• Manufacturer Part Number: mpc5125
• Description: Mpc5125 Microcontroller Data Sheet
• Manufacturer: Freescale Semiconductor, Inc

Electrical and Thermal Characteristics
NOTES:
1
2
3
4
5
4.3.5.3
52
Address and control output hold time
relative to MCK rising edge
DQ and DM output setup time relative to
DQS
DQ and DM output hold time relative to
DQS
DQS-DQ skew for DQS and associated
DQ inputs
DQS window position related to CAS
read command
Clock cycle time, CL = x
MCK AC differential crosspoint voltage
CK HIGH pulse width
CK LOW pulse width
Skew between MCK and DQS transitions
Address and control output setup time
relative to MCK rising edge
Address and control output hold time
relative to MCK rising edge
DQ and DM output setup time relative to
DQS
DQ and DM output hold time relative to
DQS
DQS-DQ skew for DQS and associated
DQ inputs
DQS window position related to CAS
read command
Measured with clock pin loaded with differential 100 Ω termination resistor.
Measured with all outputs except the clock loaded with 50 Ω termination resistor to V
All transitions measured at mid-supply (V
In this window, the first rising edge of DQS should occur. From the start of the window to DQS rising edge, DQS should be low.
The window position is given for t
MobileDDR/LPDDR SDRAM device. For other values of t
Parameter
Parameter
DDR2 SDRAM AC Timing Specifications
Table 22. MobileDDR/LPDDR SDRAM Timing Specifications (continued)
Table 23. DDR2 (DDR2-400) SDRAM Timing Specifications
At recommended operating conditions with V
At recommended operating conditions with V
DQSEN
MPC5125 Microcontroller Data Sheet, Rev. 3
t
t
t
t
t
Symbol
DH1(base)
DS1(base)
= 2.0 t
t
t
Symbol
DS1(base)
DH1(base)
OH(base)
t
OS(base)
OH(base)
V
t
t
DQSEN
DD_IO_MEM
t
t
DQSEN
DQSQ
DQSQ
DQSS
OX-AC
t
t
t
CK
CH
CL
CK
(RDLY = 2, HALF DQS DLY = QUART DQS DLY = 0) with CL = 3
(V
/2).
DD_IO_MEM
– (t
– (t
t
CK
t
t
DQSEN
2t
t
t
t
t
CK
CK
CK
CK
CK
CK
CK
CK
CK
/2 – 1000
2.5t
/4 – 750
/4 – 750
−0.25
5000
/2 − 750
/2 − 750
/4 − 500
/4 − 500
Min
0.47
0.47
Min
/4 – 600)
/4 – 600)
– 500
CK
, the window position is shifted accordingly.
× 0.5) – 0.1 (V
DD_IO_MEM
DD_IO_MEM
DD_IO_MEM
3t
3t
t
t
CK
CK
DD_IO_MEM
CK
CK
/4 – 600
Max
/4 − 600
Max
0.53
0.53
0.25
of ±5%
of ±5%
—
—
—
– 1000
—
—
—
—
—
+ 1500
× 0.5) + 0.1
/2.
Freescale Semiconductor
Unit Notes SpecID
Unit Notes SpecID
t
t
t
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
CK
CK
CK
V
1,2,3,4,5
1,2,3,4,
2,3
2,3
2,3
2,3
1,3
1,3
2,3
2,3
2,3
2,3
3
1
3
5
A5.10
A5.11
A5.10
A5.11
A5.7
A5.8
A5.9
A5.1
A5.2
A5.3
A5.4
A5.5
A5.6
A5.7
A5.8
A5.9