参数资料
型号: 4450HG/3-K
厂商: EXAR CORP
元件分类: 微控制器/微处理器
英文描述: MICROPROCESSOR, PBGA324
封装: ROHS COMPLIANT, HSBGA-324
文件页数: 64/92页
文件大小: 780K
代理商: 4450HG/3-K
4450 – Data Sheet, DS-0131-06
Page 67
Hifn Confidential
Table 7-5. DC Electrical Characteristics (SDRAM Interfaces)
VOH_hstl15
High level output voltage (RGMII/
RTBI)
Vddn =Vddh
1.5V
IOH = -8mA
Vddn-
0.4
V
VOL_hstl15
Low level output voltage (RGMII/
RTBI)
Vddh = 1.5V
IOL = 8mA
0.4
V
VSW_diff
Output Voltage (peak-to-peak,
single ended)
(SGMII/SerDes)
200
500
750
mV
VDIFF-PP_diff
Output Voltage (peak-to-peak,
differential)
(SGMII/SerDes)
400
1000
1500
mV
VOL_diff
Low-level Output Voltage
(SGMII/SerDes)
VTT-
1.5*
VSW
V
VOH_diff
High-level Output Voltage
(SGMII/SerDes)
VTT-
0.5*
VSW
V
VTCM_diff
Transmit common-mode voltage
(SGMII/SerDes)
VTT-
VSW
Rdc1_hstl15
Class I SSTL 1.5 Single-ended
Driver Series Output Resistance
(RGMII/RTBI)
11
23
41
Ω
Iivttl
Driver Output Min Current LVTTL/
LVCMOS Mode
18
mA
Ileakage
Driver Pad leakage in High
Impedance State
25
A
Iponddq_u
Receiver Current Draw (un-
terminated)
2.5
mA
Iponddq_t
Receiver Current Draw
(terminated)
2.2
mA
Ippdnddq
Receiver IDDQ PON
100
A
Rdrv_33_16
Driver Series Output Resistance
(3.3V-16mA)
12
25
Ω
Note
The DC information is preliminary and subject to change.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VILT_sstl18
Low level input threshold voltage
(DDR2 SDRAM Interface)
Vddr = 1.8V
Vvref_ddr =
tbd V
Vvref
_ddr-
0.05
V
VIHT_sslt18
High level input threshold voltage
(DDR2 SDRAM Interface)
Vddr = 1.8V
Vvref_ddr =
tbd V
Vvref
_ddr+
0.05
V
Table 7-4. DC Electrical Characteristics (GMAC Interfaces) (Sheet 2 of 2)
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