參數(shù)資料
型號(hào): MSC7116VF1000
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: Low-Cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC
中文描述: 低成本16位數(shù)字信號(hào)處理器與DDR控制器和10/100 Mbps以太網(wǎng)MAC
文件頁(yè)數(shù): 20/56頁(yè)
文件大?。?/td> 719K
代理商: MSC7116VF1000
MSC7116 10/100 Mbps Ethernet MAC Data Sheet, Rev. 11
Electrical Characteristics
Freescale Semiconductor
20
Table 6
lists the DDR DRAM capacitance.
Tri-state (high impedance off state) leakage current,
V
IN
= V
DDIO
I
OZ
–1.0
0.09
1
μA
Signal low input current, V
IL
= 0.4 V
I
L
–1.0
0.09
1
μA
Signal high input current, V
IH
= 2.0 V
I
H
–1.0
0.09
1
μA
Output high voltage, I
OH
= –2 mA, except open drain pins
V
OH
2.0
3.0
V
Output low voltage, I
OL
= 5 mA
Typical power at 266 MHz
5
V
OL
0
0.4
V
P
293.0
mW
Notes:
1.
2.
The value of V
DDM
at the MSC7116 device must remain within 50 mV of V
DDM
at the DRAM device at all times.
V
REF
must be equal to 50% of V
DDM
and track V
DDM
variations as measured at the receiver. Peak-to-peak noise must not
exceed ±2% of the DC value.
V
TT
is not applied directly to the MSC7116 device. It is the level measured at the far end signal termination. It should be equal
to V
REF
. This rail should track variations in the DC level of V
REF
.
Output leakage for the memory interface is measured with all outputs disabled, 0 V
V
OUT
V
DDM
.
The core power values were measured.using a standard EFR pattern at typical conditions (25°C, 300 MHz, 1.2 V core).
3.
4.
5.
Table 6. DDR DRAM Capacitance
Parameter/Condition
Symbol
Max
Unit
Input/output capacitance: DQ, DQS
C
IO
30
pF
Delta input/output capacitance: DQ, DQS
C
DIO
30
pF
Note:
These values were measured under the following conditions:
V
DDM
= 2.5 V ± 0.125 V
f = 1 MHz
T
A
= 25
°
C
V
OUT
= V
DDM
/2
V
OUT
(peak to peak) = 0.2 V
Table 5. DC Electrical Characteristics (continued)
Characteristic
Symbol
Min
Typical
Max
Unit
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