參數(shù)資料
型號: PDI1394P25BY
廠商: NXP SEMICONDUCTORS
元件分類: 網(wǎng)絡(luò)接口
英文描述: 1-port 400 Mbps physical layer interface
中文描述: DATACOM, INTERFACE CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-313-2, LQFP-48
文件頁數(shù): 18/42頁
文件大小: 214K
代理商: PDI1394P25BY
Philips Semiconductors
Product data
PDI1394P25BY
1-port 400 Mbps physical layer interface
2002 Oct 11
18
17.0
APPLICATION INFORMATION
390K
PDI1394P25
TPBIAS
CPS
220 pF
TPA0+
TPA0–
TPB0+
TPB0–
CABLE
PAIR A
CABLE
PAIR B
CABLE PORT
SV01830
0.3–1.0
μ
F
56
56
56
56
CABLE
5 k
OUTER SHIELD
TERMINATION
POWER PAIR
VP
VG
The IEEE Std 1394–1995 calls for a 250 pF capacitor, which is a non-standard component value. A 220 pF capacitor is recommended.
Figure 4.
Twisted pair cable interface connections
OUTER CABLE SHIELD
0.1
μ
F
0.01
μ
F
1 M
CHASSIS GROUND
SV01748
OUTER CABLE SHIELD
CHASSIS GROUND
COMPLIANT DC-ISOLATED
OUTER SHIELD TERMINATION
NON-ISOLATED
OUTER SHIELD TERMINATION
Figure 5.
Cable outer shield termination methods
SV01805
3
6
DGND (AGND)
DV
DD
(AV
DD
)
0.1
μ
F
0.001
μ
F
V
DD
Use one of these networks per side for all digital power and ground
pins and one per side for all analog power and ground pins. Place
the network as close to the PHY as possible.
Figure 6.
Power supply decoupling network
10 k
SV01806
LPS
LPS
LINK POWER
SQUARE WAVE INPUT
10 k
Figure 7.
Non-isolated connection variations for LPS
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